From ac6ba633822b3d001548b5decba117da02151828 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Fri, 1 Jul 2022 12:02:17 -0500
Subject: [PATCH 01/41] added some forth generation

---
 src/uproot/streamers.py | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 1fe9aa84e..8759b6d0f 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -671,17 +671,12 @@ def class_code(
         member_names,
         class_flags,
     ):
-        read_member_n.append(
+        read_members.append(
             """
-        forth = False
-        forth_obj = None
-        fcode_pre = []
-        fcode_post = []
-        temp = None
-        if "forth" in context.keys():
-            forth = True
-            forth_obj = context["forth"]
-            key = forth_obj.get_key()\n"""
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+            key = forth_obj.get_keys()\n"""
         )
         read_member_n.append(f"        if member_index == {i}:")
         read_members.append(
@@ -1444,6 +1439,12 @@ class Model_TStreamerObject(TStreamerObjectTypes, Model_TStreamerElement):
     """
 
     def read_members(self, chunk, cursor, context, file):
+
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+
         start = cursor.index
 
         self._bases.append(
@@ -1457,7 +1458,6 @@ def read_members(self, chunk, cursor, context, file):
                 concrete=self.concrete,
             )
         )
-
         self._serialization = _copy_bytes(chunk, start, cursor.index, cursor, context)
 
 

From 60438e9abb6bb22bba0d13e0230636ebd9294075 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Fri, 1 Jul 2022 16:39:22 -0500
Subject: [PATCH 02/41] Added some forth generation to TStreamerBasicType

---
 src/uproot/_awkward_forth.py                  |  12 +-
 src/uproot/containers.py                      |   1 -
 src/uproot/interpretation/objects.py          |   1 +
 src/uproot/model.py                           |  26 ++-
 src/uproot/models/TObject.py                  |   1 +
 src/uproot/streamers.py                       |  20 ++-
 .../test_0637-setup-tests-for-AwkwardForth.py | 160 ++++++++++--------
 7 files changed, 136 insertions(+), 85 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index ebb3f9632..2b704189b 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -34,7 +34,6 @@ def add_form(self, aform):
         if self.aform is None:
             self.aform = aform
             self.top_form = self.aform
-
         else:
             if "content" in self.aform.keys():
                 if self.aform["content"] == "NULL":
@@ -42,6 +41,12 @@ def add_form(self, aform):
                     self.aform = self.aform["content"]
                 else:
                     raise ValueError
+            elif "contents" in self.aform.keys():
+                if len(self.aform["content"]) < self.aform["parameters"]["lencon"]:
+                    self.aform["contents"].append(aform)
+                    self.aform = self.aform["contents"][-1]
+                else:
+                    raise ValueError
 
     def get_keys(self, num_keys):
         if num_keys == 1:
@@ -192,3 +197,8 @@ def add_to_init(self, code):
 
     def get_init(self):
         return self._init
+
+
+def convert_dtype(format):
+    if format == 'd':
+        return "float64"
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 6534e3722..43a34c0c3 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1100,7 +1100,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
-
             values = _read_nested(
                 self._values, length, chunk, cursor, context, file, selffile, parent
             )
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index eaeea8815..e1348f546 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -257,6 +257,7 @@ def basket_array_forth(
                         )
                         if not context["forth"].var_set:
                             self._prereaddone = True
+                            print(context["forth"].awkward_model)
                             self.assemble_forth(
                                 context["forth"], context["forth"].awkward_model
                             )
diff --git a/src/uproot/model.py b/src/uproot/model.py
index d4f57edc1..cd91f438e 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -760,7 +760,6 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         self._num_bytes = None
         self._instance_version = None
         self._is_memberwise = False
-
         old_breadcrumbs = context.get("breadcrumbs", ())
         context["breadcrumbs"] = old_breadcrumbs + (self,)
 
@@ -773,7 +772,8 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             temp_index = cursor._index
             self.read_numbytes_version(chunk, cursor, context)
             length = cursor._index - temp_index
-            helper_obj.add_to_pre(f"{length} stream skip \n")
+            if length != 0:
+                helper_obj.add_to_pre(f"{length} stream skip \n")
             if (
                 issubclass(cls, VersionedModel)
                 and self._instance_version != classname_version(cls.__name__)
@@ -783,9 +783,20 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 if classname_version(correct_cls.__name__) != classname_version(
                     cls.__name__
                 ):
+                    if helper_obj.is_forth():
+                        temp = forth_obj.add_node(
+                            "pass",
+                            helper_obj.get_pre(),
+                            helper_obj.get_post(),
+                            helper_obj.get_init(),
+                            helper_obj.get_header(),
+                            "i64",
+                            1,
+                            {},
+                        )
                     cursor.move_to(self._cursor.index)
                     context["breadcrumbs"] = old_breadcrumbs
-                    return correct_cls.read(
+                    temp_var = correct_cls.read(
                         chunk,
                         cursor,
                         context,
@@ -794,10 +805,12 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                         parent,
                         concrete=concrete,
                     )
+                    if helper_obj.is_forth():
+                        forth_obj.go_to(temp)
+                    return temp_var
 
         if context.get("in_TBranch", False):
             # @aryan26roy: test_0637's 01,02,05,08,09,11,12,13,15,16,29,35,38,39,44,45,46,47,49,50,52,56
-
             if self._num_bytes is None and self._instance_version != self.class_version:
                 self._instance_version = None
                 cursor = self._cursor
@@ -824,6 +837,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             self.read_members(chunk, cursor, context, file)
             if helper_obj.is_forth():
                 forth_obj.go_to(temp)
+                raise NotImplementedError
             self.hook_after_read_members(
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
@@ -1281,6 +1295,8 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         """
         import uproot.deserialization
 
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+
         # Ignores context["reading"], because otherwise, there would be nothing to do.
 
         (
@@ -1311,6 +1327,8 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             )
 
         # versioned_cls.read starts with numbytes_version again because move=False (above)
+        if helper_obj.is_forth():
+            print(versioned_cls)
         return cls.postprocess(
             versioned_cls.read(
                 chunk, cursor, context, file, selffile, parent, concrete=concrete
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index de9be1b7a..6e88bedac 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -24,6 +24,7 @@ def read_numbytes_version(self, chunk, cursor, context):
         pass
 
     def read_members(self, chunk, cursor, context, file):
+        #raise NotImplementedError
         if self.is_memberwise:
             raise NotImplementedError(
                 """memberwise serialization of {}
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index b590aeddb..a753f4a2f 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -14,6 +14,8 @@
 
 import uproot
 
+import uproot._awkward_forth
+
 _canonical_typename_patterns = [
     (re.compile(r"\bChar_t\b"), "char"),
     (re.compile(r"\bUChar_t\b"), "unsigned char"),
@@ -246,7 +248,8 @@ def class_code(self):
         base_names_versions = []
         member_names = []
         class_flags = {}
-
+        for i in range(len(self._members["fElements"])):
+            print(self._members["fElements"][i])
         for i in range(len(self._members["fElements"])):
             self._members["fElements"][i].class_code(
                 self,
@@ -676,7 +679,7 @@ def class_code(
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
-            key = forth_obj.get_keys()\n"""
+            key = forth_obj.get_keys(1)\n"""
         )
         read_member_n.append(f"        if member_index == {i}:")
 
@@ -871,7 +874,6 @@ def class_code(
         class_flags,
     ):
         read_member_n.append(f"        if member_index == {i}:")
-
         if self.typename == "Double32_t":
             # untested as of PR #629
             read_members.append(
@@ -887,6 +889,7 @@ def class_code(
             read_member_n.append("    " + read_members[-1])
 
         elif self.array_length == 0:
+            #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
             if (
                 i == 0
                 or not isinstance(elements[i - 1], Model_TStreamerBasicType)
@@ -898,7 +901,6 @@ def class_code(
 
             fields[-1].append(self.name)
             formats[-1].append(_ftype_to_struct(self.fType))
-
             formats_memberwise.append(_ftype_to_struct(self.fType))
 
             if (
@@ -906,6 +908,7 @@ def class_code(
                 or not isinstance(elements[i + 1], Model_TStreamerBasicType)
                 or elements[i + 1].array_length != 0
             ):
+
                 if len(fields[-1]) == 1:
                     # @aryan26roy: test_0637's 01,02,29,38,44,56
 
@@ -914,6 +917,15 @@ def class_code(
                     )
 
                 else:
+                    read_members.append('        if helper_obj.is_forth():')
+                    for elem in formats[0]:
+                        read_members.append('           key = forth_obj.get_keys(1)')
+                        read_members.append('           form_key = f"part0-node{key}-data"')
+                        read_members.append(f'           helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(elem)}\\n")')
+                        read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
+                        read_members.append(f'           helper_obj.add_to_pre("stream !{elem}-> output")')
+                        read_members.append('           if forth_obj.should_add_form():')
+                        read_members.append('               forth_obj.add_form_key(form_key)')
                     assign_members = ", ".join(
                         f"self._members[{x!r}]" for x in fields[-1]
                     )
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 514c1c3c4..a1d16bcfb 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -61,7 +61,7 @@ def test_06():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisJetsAuxDyn.NumTrkPt500"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[7, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], ...] at 0x7f1377d56610>
 
 
@@ -69,7 +69,7 @@ def test_07():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisJetsAuxDyn.SumPtTrkPt500"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[28132.615, 38298.348, 0.0, 0.0, 0.0, 665.71674, ..., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], ...] at 0x7f225f7496a0>
 
 
@@ -77,7 +77,7 @@ def test_08():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisJetsAuxDyn.GhostTrack"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fc6a08f2f70>, ...], ...] at 0x7fc6a08f2f10>
 
 
@@ -87,7 +87,7 @@ def test_09():
             "AntiKt10UFOCSSKJetsAuxDyn.GhostVR30Rmax4Rmin02TrackJet_BTagging201903"
         ]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
@@ -95,7 +95,7 @@ def test_10():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/CaloCalTopoClustersAuxDyn.e_sampl"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=3)
+        py = branch.array(interp, library="np", entry_stop=3)
         # py[-1] == <STLVector [[4499.692, 26934.783, 75009.02, 676.8455, 15.539482], ...] at 0x7fe3240a09a0>
 
 
@@ -105,7 +105,7 @@ def test_11():
             "TruthBosonsWithDecayVerticesAuxDyn.incomingParticleLinks"
         ]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
@@ -113,7 +113,7 @@ def test_12():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/TruthBottomAuxDyn.parentLinks"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
@@ -121,7 +121,7 @@ def test_13():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/egammaClustersAuxDyn.constituentClusterLinks"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=3)
+        py = branch.array(interp, library="np", entry_stop=3)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 
@@ -129,7 +129,7 @@ def test_14():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/egammaClustersAuxDyn.eta_sampl"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=3)
+        py = branch.array(interp, library="np", entry_stop=3)
         # py[-1] == <STLVector [[-0.53503126, -0.5374735, -0.5373216, -0.52376634]] at 0x7f5d2ba80d30>
 
 
@@ -137,7 +137,7 @@ def test_15():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisHLT_mu24_ilooseAuxDyn.TrigMatchedObjects"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fb9b9d24c10>], ...] at 0x7fb9b9d29250>
 
 
@@ -145,7 +145,7 @@ def test_16():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisHLT_mu40AuxDyn.TrigMatchedObjects"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7f6e29be5cd0>], ...] at 0x7f6e29bea250>
 
 
@@ -153,7 +153,7 @@ def test_17():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/AAObject/usr_names"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=None)
+        py = branch.array(interp, library="np", entry_stop=None)
         # py[-1] == <STLVector [] at 0x7f6afa6ead00>
 
 
@@ -161,7 +161,7 @@ def test_18():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.t"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([80860738., 80861689., 80862014., 80861709., 80861737., 80861158., 80862362., 80860821., 80862271., 80862273., 80861294., 80861860., 80862548., 80861733., 80861605., 80860467., 80860408., 80861562., 80862012., 80862350., 80861491., 80860384., 80860930., 80861541., 80861461., 80861749., 80862352., 80861813., 80861822., 80861871., 80862000., 80862255., 80862253., 80862249., 80862266., 80862248., 80862246., 80862847., 80863032., 80861952., 80861954., 80861953., 80861957., 80861951., 80861961., 80861959., 80861955., 80861994., 80862060., 80861971., 80862004., 80862002., 80862059., 80861695., 80861813., 80861967., 80862919., 80862043., 80862054., 80862044., 80862044., 80862040., 80862043., 80862037., 80862040., 80862039., 80862070., 80862042., 80862322., 80861605., 80861865., 80863034., 80862987., 80861545., 80860392., 80861003., 80861564., 80862109., 80861821., 80862083., 80861121., 80862513., 80862513., 80862731., 80861604., 80862003., 80861910., 80861854., 80862297., 80860989., 80862948., 80862075., 80862141., 80862117., 80862039., 80862114., 80862075., 80862042., 80862072., 80862439., 80862481., 80861656., 80862096., 80862215., 80862215., 80862195., 80862458., 80862432., 80861915., 80861012., 80862208., 80861885., 80861888., 80861994., 80861883., 80862194., 80861812., 80862184., 80862309., 80862297., 80862840., 80862400., 80861565., 80862226., 80862149.])
 
 
@@ -169,7 +169,7 @@ def test_19():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.a"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])
 
 
@@ -177,7 +177,7 @@ def test_20():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.trig"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0], dtype=int32)
 
 
@@ -185,7 +185,7 @@ def test_21():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.tot"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([29, 26, 22, 18, 22, 28, 28, 28, 21, 24, 28, 30, 25, 24, 30, 28, 29, 4, 21, 25, 26, 22, 23, 22, 23, 29, 23, 30, 24, 29, 31, 27, 32, 28, 30, 33, 33, 31, 29, 18, 23, 34, 21, 33, 33, 29, 37, 23, 21, 40, 25, 29, 22, 17, 31, 25, 28, 26, 21, 20, 25, 51, 38, 64, 42, 28, 29, 26, 21, 31, 22, 18, 41, 28, 29, 28, 29, 15, 25, 27, 24, 28, 28, 34, 28, 21, 19, 21, 20, 24, 26, 24, 13, 22, 30, 25, 17, 27, 24, 16, 31, 27, 29, 23, 26, 25, 26, 28, 12, 18, 30, 27, 48, 16, 25, 24, 27, 10, 21, 25, 30, 26, 26, 28, 24], dtype=uint32)
 
 
@@ -193,7 +193,7 @@ def test_22():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.pos.x"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])
 
 
@@ -201,7 +201,7 @@ def test_23():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/trks/trks.usr_names"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<STLVector [] at 0x7f09da748f70>, <STLVector [] at 0x7f09da75a5b0>, <STLVector [] at 0x7f09da75a610>, <STLVector [] at 0x7f09da75a670>, <STLVector [] at 0x7f09da75a6d0>, <STLVector [] at 0x7f09da75a730>, <STLVector [] at 0x7f09da75a790>, <STLVector [] at 0x7f09da75a7f0>, <STLVector [] at 0x7f09da75a850>, <STLVector [] at 0x7f09da75a8b0>, <STLVector [] at 0x7f09da75a910>, <STLVector [] at 0x7f09da75a970>, <STLVector [] at 0x7f09da75a9d0>, <STLVector [] at 0x7f09da75aa30>, <STLVector [] at 0x7f09da75aa90>, <STLVector [] at 0x7f09da75aaf0>, <STLVector [] at 0x7f09da75ab50>, <STLVector [] at 0x7f09da75abb0>, <STLVector [] at 0x7f09da75ac10>, <STLVector [] at 0x7f09da75ac70>, <STLVector [] at 0x7f09da75acd0>, <STLVector [] at 0x7f09da75ad30>, <STLVector [] at 0x7f09da75ad90>, <STLVector [] at 0x7f09da75adf0>, <STLVector [] at 0x7f09da75ae50>, <STLVector [] at 0x7f09da75aeb0>, <STLVector [] at 0x7f09da75af10>, <STLVector [] at 0x7f09da75af70>, <STLVector [] at 0x7f09da75afd0>, <STLVector [] at 0x7f09da75f070>, <STLVector [] at 0x7f09da75f0d0>, <STLVector [] at 0x7f09da75f130>, <STLVector [] at 0x7f09da75f190>, <STLVector [] at 0x7f09da75f1f0>, <STLVector [] at 0x7f09da75f250>, <STLVector [] at 0x7f09da75f2b0>, <STLVector [] at 0x7f09da75f310>, <STLVector [] at 0x7f09da75f370>, <STLVector [] at 0x7f09da75f3d0>, <STLVector [] at 0x7f09da75f430>, <STLVector [] at 0x7f09da75f490>, <STLVector [] at 0x7f09da75f4f0>, <STLVector [] at 0x7f09da75f550>, <STLVector [] at 0x7f09da75f5b0>, <STLVector [] at 0x7f09da75f610>, <STLVector [] at 0x7f09da75f670>, <STLVector [] at 0x7f09da75f6d0>, <STLVector [] at 0x7f09da75f730>, <STLVector [] at 0x7f09da75f790>, <STLVector [] at 0x7f09da75f7f0>, <STLVector [] at 0x7f09da75f850>, <STLVector [] at 0x7f09da75f8b0>, <STLVector [] at 0x7f09da75f910>, <STLVector [] at 0x7f09da75f970>, <STLVector [] at 0x7f09da75f9d0>], dtype=object)
 
 
@@ -209,7 +209,7 @@ def test_24():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/trks/trks.rec_stages"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<STLVector [1, 3, 5, 4] at 0x7fea61938d60>, <STLVector [1, 3, 5] at 0x7fea6194a4f0>, <STLVector [1, 3] at 0x7fea6194a580>, <STLVector [1, 3] at 0x7fea6194a5e0>, <STLVector [1, 3] at 0x7fea6194a640>, <STLVector [1, 3] at 0x7fea6194a6a0>, <STLVector [1, 3] at 0x7fea6194a700>, <STLVector [1, 3] at 0x7fea6194a760>, <STLVector [1, 3] at 0x7fea6194a7c0>, <STLVector [1, 3] at 0x7fea6194a820>, <STLVector [1, 3] at 0x7fea6194a880>, <STLVector [1, 3] at 0x7fea6194a8e0>, <STLVector [1, 3] at 0x7fea6194a940>, <STLVector [1, 3] at 0x7fea6194a9a0>, <STLVector [1, 3] at 0x7fea6194aa00>, <STLVector [1, 3] at 0x7fea6194aa60>, <STLVector [1, 3] at 0x7fea6194aac0>, <STLVector [1, 3] at 0x7fea6194ab20>, <STLVector [1, 3] at 0x7fea6194ab80>, <STLVector [1] at 0x7fea6194abe0>, <STLVector [1] at 0x7fea6194ac40>, <STLVector [1] at 0x7fea6194aca0>, <STLVector [1] at 0x7fea6194ad00>, <STLVector [1] at 0x7fea6194ad60>, <STLVector [1] at 0x7fea6194adc0>, <STLVector [1] at 0x7fea6194ae20>, <STLVector [1] at 0x7fea6194ae80>, <STLVector [1] at 0x7fea6194aee0>, <STLVector [1] at 0x7fea6194af40>, <STLVector [1] at 0x7fea6194afa0>, <STLVector [1] at 0x7fea6194e040>, <STLVector [1] at 0x7fea6194e0a0>, <STLVector [1] at 0x7fea6194e100>, <STLVector [1] at 0x7fea6194e160>, <STLVector [1] at 0x7fea6194e1c0>, <STLVector [1] at 0x7fea6194e220>, <STLVector [1] at 0x7fea6194e280>, <STLVector [1] at 0x7fea6194e2e0>, <STLVector [1] at 0x7fea6194e340>, <STLVector [1] at 0x7fea6194e3a0>, <STLVector [1] at 0x7fea6194e400>, <STLVector [1] at 0x7fea6194e460>, <STLVector [1] at 0x7fea6194e4c0>, <STLVector [1] at 0x7fea6194e520>, <STLVector [1] at 0x7fea6194e580>, <STLVector [1] at 0x7fea6194e5e0>, <STLVector [1] at 0x7fea6194e640>, <STLVector [1] at 0x7fea6194e6a0>, <STLVector [1] at 0x7fea6194e700>, <STLVector [1] at 0x7fea6194e760>, <STLVector [1] at 0x7fea6194e7c0>, <STLVector [1] at 0x7fea6194e820>, <STLVector [1] at 0x7fea6194e880>, <STLVector [1] at 0x7fea6194e8e0>, <STLVector [1] at 0x7fea6194e940>], dtype=object)
 
 
@@ -217,7 +217,7 @@ def test_25():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/VERSION/VERSION._name"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
 
@@ -225,7 +225,7 @@ def test_26():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/SEL/SEL._firstSteps"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<STLVector [] at 0x7f5060ef49d0>], dtype=object)
 
 
@@ -233,7 +233,7 @@ def test_27():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/SEL/SEL._branchAlias"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<STLVector ['muTPC', 'muTPC+pTPC', ..., 'muFGD+Np'] at 0x7f1d79005a90>], dtype=object)
 
 
@@ -241,7 +241,7 @@ def test_28():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/SEL/SEL._nCutsInBranch"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<STLVector [8, 9, 10, 11, 10, 7, 6, 7, 7, 8, 11, 10] at 0x7f409846fa00>], dtype=object)
 
 
@@ -249,7 +249,7 @@ def test_29():
     with uproot.open(skhep_testdata.data_path("uproot-issue213.root")) as file:
         branch = file["T/eventPack/fGenInfo"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <JPetGeantEventInformation (version 3) at 0x7fd5bdeedac0>
 
 
@@ -257,7 +257,7 @@ def test_30():
     with uproot.open(skhep_testdata.data_path("uproot-issue243-new.root")) as file:
         branch = file["triggerList/triggerMap/triggerMap.first"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=16)
+        py = branch.array(interp, library="np", entry_stop=16)
         # py[-1] == array(['HLT_2j35_bmv2c2060_split_2j35_L14J15.0ETA25', 'HLT_j100_2j55_bmv2c2060_split'], dtype=object)
 
 
@@ -265,7 +265,7 @@ def test_31():
     with uproot.open(skhep_testdata.data_path("uproot-issue-308.root")) as file:
         branch = file["MetaData/BranchIDLists"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[1971320715, 1805338087, 475485005, ..., 2417357619, 128868952, 2428801822], ...] at 0x7f0a7dd4a1f0>
 
 
@@ -273,7 +273,7 @@ def test_32():
     with uproot.open(skhep_testdata.data_path("uproot-issue31.root")) as file:
         branch = file["T/data/name"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == "two"
 
 
@@ -281,7 +281,7 @@ def test_33():
     with uproot.open(skhep_testdata.data_path("uproot-issue367b.root")) as file:
         branch = file["tree/weights"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7f4443068ca0>
 
 
@@ -289,7 +289,7 @@ def test_34():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Header/Header./Header.geant4Version"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == '$Name: geant4-10-05-patch-01 $'
 
 
@@ -297,7 +297,7 @@ def test_35():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7fb557996df0>, ...} at 0x7fb557a012e0>
 
 
@@ -305,7 +305,7 @@ def test_36():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Model/Model./Model.samplerNamesUnique"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector ['DRIFT_0.', 'PRXSE01A.', ..., 'PRBHF_99.', 'MP_F_99.'] at 0x7f22f206df10>
 
 
@@ -313,7 +313,7 @@ def test_37():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Model/Model./Model.staPos"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<TVector3 (version 3) at 0x7f3385c9cbe0>, <TVector3 (version 3) at 0x7f3385c9cc10>, <TVector3 (version 3) at 0x7f3385c9cc40>, ..., <TVector3 (version 3) at 0x7f3385b0cfd0>, <TVector3 (version 3) at 0x7f3385a9e040>, <TVector3 (version 3) at 0x7f3385a9e070>], dtype=object)
 
 
@@ -321,7 +321,7 @@ def test_38():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Event/PRBHF_46."]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <BDSOutputROOTEventSampler<float> (version 4) at 0x7f9be2f7b2e0>
 
 
@@ -329,7 +329,7 @@ def test_39():
     with uproot.open(skhep_testdata.data_path("uproot-issue399.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f6d05752220>, ...} at 0x7f6d057397f0>
 
 
@@ -337,7 +337,7 @@ def test_40():
     with uproot.open(skhep_testdata.data_path("uproot-issue-407.root")) as file:
         branch = file["tree/branch"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <TDatime at 0x7f79c7368430>
 
 
@@ -345,7 +345,7 @@ def test_41():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
         branch = file["Event/Trajectory./Trajectory.XYZ"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
 
@@ -353,7 +353,7 @@ def test_42():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
         branch = file["Event/Trajectory./Trajectory.energyDeposit"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
 
@@ -361,7 +361,7 @@ def test_43():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
         branch = file["Event/Trajectory./Trajectory.ionA"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [] at 0x7f90c6543af0>
 
 
@@ -369,7 +369,7 @@ def test_44():
     with uproot.open(skhep_testdata.data_path("uproot-issue46.root")) as file:
         branch = file["tree/evt"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 
@@ -377,7 +377,7 @@ def test_45():
     with uproot.open(skhep_testdata.data_path("uproot-issue485.root")) as file:
         branch = file["MCTrack/global"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [<allpix::MCTrack (version 2) at 0x7f88b9a8ad90>, ...] at 0x7f88b9a8ad00>
 
 
@@ -385,7 +385,7 @@ def test_46():
     with uproot.open(skhep_testdata.data_path("uproot-issue485.root")) as file:
         branch = file["MCParticle/detector1"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f94bc223760>, ...] at 0x7f94bc223550>
 
 
@@ -393,7 +393,7 @@ def test_47():
     with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f53a43c2220>, ...} at 0x7f53a44278b0>
 
 
@@ -401,7 +401,7 @@ def test_48():
     with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.ions"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {} at 0x7fda831357f0>
 
 
@@ -409,7 +409,7 @@ def test_49():
     with uproot.open(skhep_testdata.data_path("uproot-issue498.root")) as file:
         branch = file["MCParticle/timepix"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f0697bf1820>] at 0x7f0697bf1a00>
 
 
@@ -417,7 +417,7 @@ def test_50():
     with uproot.open(skhep_testdata.data_path("uproot-issue498.root")) as file:
         branch = file["PixelHit/timepix"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [] at 0x7f769cbf0bb0>
 
 
@@ -425,7 +425,7 @@ def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
         branch = file["EDepSimEvents/Event/Primaries/Primaries.GeneratorName"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array(['GENIE:fixed@density-fixed'], dtype=object)
 
 
@@ -433,7 +433,7 @@ def test_52():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
         branch = file["Delphes/EFlowPhoton/EFlowPhoton.Particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<TRefArray [2407] at 0x7f7888dff0d0>, <TRefArray [2411] at 0x7f7888dee100>, <TRefArray [2405] at 0x7f7888dff130>, <TRefArray [2406] at 0x7f7888dff1f0>, <TRefArray [2523] at 0x7f7888dff280>, <TRefArray [2352] at 0x7f7888dff310>, <TRefArray [2192] at 0x7f7888dff3a0>, <TRefArray [2425] at 0x7f7888dff430>, <TRefArray [2340] at 0x7f7888dff4c0>, <TRefArray [2533] at 0x7f7888dff550>, <TRefArray [2264] at 0x7f7888dff5e0>, <TRefArray [2263] at 0x7f7888dff670>, <TRefArray [2396] at 0x7f7888dff700>, <TRefArray [2519] at 0x7f7888dff790>, <TRefArray [2044] at 0x7f7888dff820>, <TRefArray [2273] at 0x7f7888dff8b0>, <TRefArray [2270] at 0x7f7888dff940>, <TRefArray [2388] at 0x7f7888dff9d0>, <TRefArray [2473] at 0x7f7888dffa60>, <TRefArray [2272] at 0x7f7888dffaf0>, <TRefArray [2475] at 0x7f7888dffb80>, <TRefArray [2212] at 0x7f7888dffc10>, <TRefArray [2220] at 0x7f7888dffca0>, <TRefArray [2358] at 0x7f7888dffd30>, <TRefArray [2472] at 0x7f7888dffdc0>, <TRefArray [2359] at 0x7f7888dffe50>, <TRefArray [2360] at 0x7f7888dffee0>, <TRefArray [2201] at 0x7f7888dfff70>, <TRefArray [2362] at 0x7f7888e02040>, <TRefArray [2537] at 0x7f7888e020d0>, <TRefArray [2230] at 0x7f7888e02160>, <TRefArray [2488] at 0x7f7888e021f0>, <TRefArray [2307] at 0x7f7888e02280>, <TRefArray [2570] at 0x7f7888e02310>, <TRefArray [2569] at 0x7f7888e023a0>, <TRefArray [2515] at 0x7f7888e02430>, <TRefArray [2423] at 0x7f7888e024c0>, <TRefArray [2571] at 0x7f7888e02550>, <TRefArray [2578] at 0x7f7888e025e0>, <TRefArray [2386] at 0x7f7888e02670>, <TRefArray [2579] at 0x7f7888e02700>, <TRefArray [2580] at 0x7f7888e02790>, <TRefArray [2556] at 0x7f7888e02820>, <TRefArray [2555] at 0x7f7888e028b0>, <TRefArray [2355] at 0x7f7888e02940>, <TRefArray [2222, 2223] at 0x7f7888e029d0>], dtype=object)
 
 
@@ -441,7 +441,7 @@ def test_53():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
         branch = file["Delphes/Jet/Jet.SoftDroppedSubJet2"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<TLorentzVector (version 4) at 0x7f6a396bf2b0>, <TLorentzVector (version 4) at 0x7f6a396bf250>, <TLorentzVector (version 4) at 0x7f6a396bf1f0>, <TLorentzVector (version 4) at 0x7f6a396bf190>, <TLorentzVector (version 4) at 0x7f6a396bf130>, <TLorentzVector (version 4) at 0x7f6a396bf0d0>], dtype=object)
 
 
@@ -449,7 +449,7 @@ def test_54():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
         branch = file["Delphes/Jet/Jet.TrimmedP4[5]"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7f6a02cb3220>, <TLorentzVector (version 4) at 0x7f6a02cb3280>, <TLorentzVector (version 4) at 0x7f6a02cb3fd0>, <TLorentzVector (version 4) at 0x7f6a02cb3f70>, <TLorentzVector (version 4) at 0x7f6a02cb3f10>], [<TLorentzVector (version 4) at 0x7f6a02cb3eb0>, <TLorentzVector (version 4) at 0x7f6a02cb3e50>, <TLorentzVector (version 4) at 0x7f6a02cb3df0>, <TLorentzVector (version 4) at 0x7f6a02cb3d90>, <TLorentzVector (version 4) at 0x7f6a02cb3d30>], [<TLorentzVector (version 4) at 0x7f6a02cb3cd0>, <TLorentzVector (version 4) at 0x7f6a02cb3c70>, <TLorentzVector (version 4) at 0x7f6a02cb3c10>, <TLorentzVector (version 4) at 0x7f6a02cb3bb0>, <TLorentzVector (version 4) at 0x7f6a02cb3b50>], [<TLorentzVector (version 4) at 0x7f6a02cb3af0>, <TLorentzVector (version 4) at 0x7f6a02cb3a90>, <TLorentzVector (version 4) at 0x7f6a02cb3a30>, <TLorentzVector (version 4) at 0x7f6a02cb39d0>, <TLorentzVector (version 4) at 0x7f6a02cb3970>], [<TLorentzVector (version 4) at 0x7f6a02cb3910>, <TLorentzVector (version 4) at 0x7f6a02cb38b0>, <TLorentzVector (version 4) at 0x7f6a02cb3850>, <TLorentzVector (version 4) at 0x7f6a02cb34f0>, <TLorentzVector (version 4) at 0x7f6a02cb3580>], [<TLorentzVector (version 4) at 0x7f6a02cb3430>, <TLorentzVector (version 4) at 0x7f6a02cb33d0>, <TLorentzVector (version 4) at 0x7f6a02cb3370>, <TLorentzVector (version 4) at 0x7f6a02cb32e0>, <TLorentzVector (version 4) at 0x7f6a02cba910>]], dtype=object)
 
 
@@ -457,7 +457,7 @@ def test_55():
     with uproot.open(skhep_testdata.data_path("uproot-issue519.root")) as file:
         branch = file["testtree/testbranch"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[0.15334472, 0.10603446, 0.004459681, 0.0222604, 0.38413692, 0.39519757], ...] at 0x7f38c4650eb0>
 
 
@@ -467,7 +467,7 @@ def test_56():
     ) as file:
         branch = file["tree/evt"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <Event (version 1) at 0x7fecdbf61dc0>
 
 
@@ -475,7 +475,7 @@ def test_57():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector ['one', 'two'] at 0x7fdeeb3f8d90>
 
 
@@ -483,7 +483,7 @@ def test_58():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector ['one', 'two'] at 0x7f42edc0c0a0>
 
 
@@ -491,7 +491,7 @@ def test_59():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_vector_int32"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[1], [1, 2]] at 0x7ff36af3c2b0>
 
 
@@ -499,7 +499,7 @@ def test_60():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7fae23700eb0>
 
 
@@ -507,7 +507,7 @@ def test_61():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_vector_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7f06ad24c460>
 
 
@@ -515,7 +515,7 @@ def test_62():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_set_int32"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [{1}, {1, 2}] at 0x7f7f97e88880>
 
 
@@ -523,7 +523,7 @@ def test_63():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [{'one'}, {'one', 'two'}] at 0x7fb29ded7370>
 
 
@@ -531,7 +531,7 @@ def test_64():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/set_int32"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLSet {1, 2} at 0x7f47a620e310>
 
 
@@ -539,7 +539,7 @@ def test_65():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLSet {'one', 'two'} at 0x7f5ffd9ff1c0>
 
 
@@ -547,7 +547,7 @@ def test_66():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: 1, 2: 2} at 0x7f23be1efbe0>
 
 
@@ -555,7 +555,7 @@ def test_67():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: [1], 2: [1, 2]} at 0x7f899441d2b0>
 
 
@@ -563,7 +563,7 @@ def test_68():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: ['one'], 2: ['one', 'two']} at 0x7fd19d3288b0>
 
 
@@ -571,7 +571,7 @@ def test_69():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_set_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: {1}, 2: {1, 2}} at 0x7f2b3f1b5fa0>
 
 
@@ -579,7 +579,7 @@ def test_70():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: {'one'}, 2: {'one', 'two'}} at 0x7f4718b237c0>
 
 
@@ -587,7 +587,7 @@ def test_71():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': 1, 'two': 2} at 0x7f4179bed1f0>
 
 
@@ -595,7 +595,7 @@ def test_72():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_vector_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': [1], 'two': [1, 2]} at 0x7f26376e9b20>
 
 
@@ -603,7 +603,7 @@ def test_73():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': ['one'], 'two': ['one', 'two']} at 0x7f3e45d34910>
 
 
@@ -611,7 +611,7 @@ def test_74():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_set_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': {1}, 'two': {1, 2}} at 0x7f5a94b1c760>
 
 
@@ -619,7 +619,7 @@ def test_75():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': {'one'}, 'two': {'one', 'two'}} at 0x7f1a1e95aa90>
 
 
@@ -627,7 +627,7 @@ def test_76():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_vector_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: [[1]], 2: [[1], [1, 2]]} at 0x7fc98bd7ec10>
 
 
@@ -635,7 +635,7 @@ def test_77():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_set_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {1: [{1}], 2: [{1}, {1, 2}]} at 0x7fcf9b191610>
 
 
@@ -643,7 +643,7 @@ def test_78():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f887b27cb20>
 
 
@@ -651,7 +651,7 @@ def test_79():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f4c4e527610>
 
 
@@ -661,5 +661,15 @@ def test_80():
     ) as file:
         branch = file["t/x"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(library="np", entry_stop=2)
+        py = branch.array(interp, library="np", entry_stop=2)
+        # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>
+
+
+def test_81():
+    with uproot.open(
+        skhep_testdata.data_path("uproot-HZZ-objects.root")
+    ) as file:
+        branch = file["events/MET"]
+        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>

From a27494e63a12fdf23cd8336ffe6cc5f8c3ee9e10 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Wed, 6 Jul 2022 13:41:42 -0500
Subject: [PATCH 03/41] TVector2_V3 works!

---
 src/uproot/_awkward_forth.py         | 92 +++++++++++++++++++++-------
 src/uproot/containers.py             | 27 ++++----
 src/uproot/interpretation/objects.py | 12 ++--
 src/uproot/model.py                  | 39 +++++++++---
 src/uproot/models/TObject.py         | 28 ++++++++-
 src/uproot/models/TRef.py            | 17 ++---
 src/uproot/streamers.py              | 29 ++++-----
 tests/test_610-awkward-form.py       | 16 +++++
 8 files changed, 184 insertions(+), 76 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 2b704189b..53206b073 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -5,15 +5,23 @@
 """
 
 
+from pytz import NonExistentTimeError
+
+
 class ForthGenerator:
     """
     This class is passed through the Forth code generation, collecting Forth snippets and concatenating them at the end.
     """
 
     def __init__(self, aform=None, count_obj=0, var_set=False):
+        self.dummy_form = False
+        self.top_dummy = None
+        self.dummy_aform = None
         self.aform = aform
         self.top_form = None
-        self.awkward_model = {}
+        self.awkward_model = {"name": "TOP", "content": {}}
+        self._prev_node = self.awkward_model
+        self.ref_list = []
         self.forth_code = {}
         self.forth_keys = {}
         self.final_code = []
@@ -28,25 +36,53 @@ def traverse_aform(self):
         self.aform = self.aform.content
 
     def should_add_form(self):
-        return not bool(self.awkward_model)
+        if "content" in self.awkward_model.keys():
+            if self.awkward_model["content"] is None:
+                return False
+            else:
+                return not bool(self.awkward_model["content"])
+
+    def get_temp_form_top(self):
+        return self.top_dummy
 
-    def add_form(self, aform):
-        if self.aform is None:
-            self.aform = aform
-            self.top_form = self.aform
+    def set_dummy_none(self):
+        self.top_dummy = None
+        self.dummy_aform = None
+        self.dummy_form = False
+
+    def add_form(self, aform, conlen=0):
+        if self.dummy_form:
+            if self.dummy_aform is None:
+                self.dummy_aform = aform
+                self.top_dummy = aform
+            else:
+                if "content" in self.dummy_aform.keys():
+                    if self.dummy_aform["content"] == "NULL":
+                        self.dummy_aform["content"] = aform
+                        self.dummy_aform = self.dummy_aform["content"]
+                    else:
+                        raise ValueError
+                elif "contents" in self.dummy_aform.keys():
+                    if len(self.dummy_aform["content"]) < self.dummy_aform["parameters"]["lencon"]:
+                        self.dummy_aform["contents"].append(aform)
+                    else:
+                        raise ValueError
         else:
-            if "content" in self.aform.keys():
-                if self.aform["content"] == "NULL":
-                    self.aform["content"] = aform
-                    self.aform = self.aform["content"]
-                else:
-                    raise ValueError
-            elif "contents" in self.aform.keys():
-                if len(self.aform["content"]) < self.aform["parameters"]["lencon"]:
-                    self.aform["contents"].append(aform)
-                    self.aform = self.aform["contents"][-1]
-                else:
-                    raise ValueError
+            if self.aform is None:
+                self.aform = aform
+                self.top_form = self.aform
+            else:
+                if "content" in self.aform.keys():
+                    if self.aform["content"] == "NULL":
+                        self.aform["content"] = aform
+                        self.aform = self.aform["content"]
+                    else:
+                        raise ValueError
+                elif "contents" in self.aform.keys():
+                    if len(self.aform["content"]) == conlen:
+                        return
+                    else:
+                        raise ValueError
 
     def get_keys(self, num_keys):
         if num_keys == 1:
@@ -66,18 +102,28 @@ def add_form_key(self, key):
         self.form_keys.append(key)
 
     def go_to(self, aform):
-        aform["content"] = self.awkward_model
+        #aform["content"] = self.awkward_model
+        self.awkward_model = aform
+
+    def become(self, aform):
         self.awkward_model = aform
 
     def check_model(self):
         return bool(self.awkward_model)
 
+    def get_current_node(self):
+        self.ref_list.append(self._prev_node)
+        return len(self.ref_list) - 1
+
+    def get_ref(self, index):
+        return self.ref_list[index]
+
     def add_node(
         self, name, precode, postcode, initcode, headercode, dtype, num_child, content
     ):
         if isinstance(self.awkward_model, dict):
-            if not bool(self.awkward_model):
-                self.awkward_model = {
+            if not bool(self.awkward_model["content"]) and self.awkward_model["content"] is not None:
+                temp_obj = {
                     "name": name,
                     "type": dtype,
                     "pre_code": precode,
@@ -87,9 +133,9 @@ def add_node(
                     "num_child": num_child,
                     "content": content,
                 }
-                temp_node = self.awkward_model
+                self.awkward_model["content"] = temp_obj
                 self.awkward_model = self.awkward_model["content"]
-                return temp_node
+                return temp_obj
             else:
                 temp_node = self.awkward_model
                 self.awkward_model = self.awkward_model["content"]
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 43a34c0c3..dc1eebec9 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -761,16 +761,16 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                             temp_bool = "false"
                         temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": "NULL", "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{offsets_num}"}}'
                         forth_obj.add_form(json.loads(temp_aform))
-                        temp = forth_obj.add_node(
-                            f"node{offsets_num}",
-                            helper_obj.get_pre(),
-                            helper_obj.get_post(),
-                            helper_obj.get_init(),
-                            helper_obj.get_header(),
-                            "i64",
-                            1,
-                            {},
-                        )
+                    temp = forth_obj.add_node(
+                        f"node{offsets_num}",
+                        helper_obj.get_pre(),
+                        helper_obj.get_post(),
+                        helper_obj.get_init(),
+                        helper_obj.get_header(),
+                        "i64",
+                        1,
+                        {},
+                    )
 
                 if cursor.index >= chunk.stop and helper_obj.is_forth():
                     forth_obj.var_set = True
@@ -782,9 +782,12 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                             chunk, cursor, context, file, selffile, parent
                         )
                     )
+                    if helper_obj.is_forth():
+                        forth_obj.go_to(temp['content'])
+                        #print(forth_obj._prev_node, "UOUOUO")
 
-                if helper_obj.is_forth():
-                    forth_obj.go_to(temp)
+                # if helper_obj.is_forth():
+                #    forth_obj.go_to(temp)
                 return uproot._util.objectarray1d(out).reshape(-1, *self.inner_shape)
 
 
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index e1348f546..be506ddf2 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -69,6 +69,7 @@ def __init__(self, model, branch=None):
         self._forth_vm = threading.local()
         self._complete_forth_code = []
         self._forth_vm_set = False
+        self._form = None
 
     @property
     def model(self):
@@ -207,7 +208,7 @@ def basket_array_forth(
             context["forth"] = forth_gen
 
         if isinstance(library, uproot.interpretation.library.Awkward):
-            self._form = self.awkward_form(
+            form = self.awkward_form(
                 branch.file,
                 {
                     "index_format": "i64",
@@ -216,7 +217,7 @@ def basket_array_forth(
                     "breadcrumbs": (),
                 },
             )
-            if awkward_can_optimize(self, self._form):
+            if awkward_can_optimize(self, form):
                 import awkward._connect._uproot
 
                 extra = {
@@ -227,9 +228,8 @@ def basket_array_forth(
                     "cursor_offset": cursor_offset,
                 }
                 output = awkward._connect._uproot.basket_array(
-                    self._form, data, byte_offsets, extra
+                    form, data, byte_offsets, extra
                 )
-
         if not self._forth_vm_set:
             if not self._prereaddone:
                 if output is None:
@@ -257,9 +257,8 @@ def basket_array_forth(
                         )
                         if not context["forth"].var_set:
                             self._prereaddone = True
-                            print(context["forth"].awkward_model)
                             self.assemble_forth(
-                                context["forth"], context["forth"].awkward_model
+                                context["forth"], context["forth"]._prev_node["content"]
                             )
                             self._complete_forth_code = f'input stream\ninput byteoffsets\ninput bytestops\n{"".join(context["forth"].final_header)}\n{"".join(context["forth"].final_init)}\n0 do\nbyteoffsets I-> stack\nstream seek \n{"".join(context["forth"].final_code)}\nloop'
                             self._forth_vm.vm = awkward.forth.ForthMachine64(
@@ -273,7 +272,6 @@ def basket_array_forth(
                     self._complete_forth_code
                 )
                 self._forth_vm_set = True
-
         if self._forth_vm_set:
             byte_start = byte_offsets[0]
             byte_stop = byte_offsets[-1]
diff --git a/src/uproot/model.py b/src/uproot/model.py
index cd91f438e..a167fd2a0 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -805,8 +805,8 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                         parent,
                         concrete=concrete,
                     )
-                    if helper_obj.is_forth():
-                        forth_obj.go_to(temp)
+                    # if helper_obj.is_forth():
+                    #    forth_obj.go_to(temp)
                     return temp_var
 
         if context.get("in_TBranch", False):
@@ -825,7 +825,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             )
             if helper_obj.is_forth():
                 temp = forth_obj.add_node(
-                    "pass",
+                    "model828",
                     helper_obj.get_pre(),
                     helper_obj.get_post(),
                     helper_obj.get_init(),
@@ -834,10 +834,8 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                     1,
                     {},
                 )
+
             self.read_members(chunk, cursor, context, file)
-            if helper_obj.is_forth():
-                forth_obj.go_to(temp)
-                raise NotImplementedError
             self.hook_after_read_members(
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
@@ -1294,11 +1292,14 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         :doc:`uproot.model.UnknownClassVersion` is created instead.
         """
         import uproot.deserialization
+        temp_node = None
 
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
         # Ignores context["reading"], because otherwise, there would be nothing to do.
-
+        start_index = cursor._index
         (
             num_bytes,
             version,
@@ -1306,6 +1307,19 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         ) = uproot.deserialization.numbytes_version(chunk, cursor, context, move=False)
 
         versioned_cls = cls.class_of_version(version)
+        bytes_skipped = cursor._index - start_index
+        if helper_obj.is_forth():
+            helper_obj.add_to_pre(f"{bytes_skipped} stream skip \n")
+            temp_node = forth_obj.add_node(
+                "Model1319",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                1,
+                {},
+            )
 
         if versioned_cls is not None:
             pass
@@ -1327,9 +1341,9 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             )
 
         # versioned_cls.read starts with numbytes_version again because move=False (above)
-        if helper_obj.is_forth():
-            print(versioned_cls)
-        return cls.postprocess(
+        # if helper_obj.is_forth():
+            # print(versioned_cls)
+        temp_var = cls.postprocess(
             versioned_cls.read(
                 chunk, cursor, context, file, selffile, parent, concrete=concrete
             ),
@@ -1338,6 +1352,11 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             context,
             file,
         )
+        # if helper_obj.is_forth():
+        #    if "no_go_to" not in context.keys():
+        #raise NotImplementedError
+        # forth_obj.go_to(temp_node)
+        return temp_var
 
     @classmethod
     def postprocess(cls, self, chunk, cursor, context, file):
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index 6e88bedac..ee41a1ec5 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -11,6 +11,8 @@
 
 import uproot
 
+import json
+
 _tobject_format1 = struct.Struct(">h")
 _tobject_format2 = struct.Struct(">II")
 
@@ -24,7 +26,12 @@ def read_numbytes_version(self, chunk, cursor, context):
         pass
 
     def read_members(self, chunk, cursor, context, file):
-        #raise NotImplementedError
+        # raise NotImplementedError
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+        start_index = cursor._index
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+            #raise NotImplementedError
         if self.is_memberwise:
             raise NotImplementedError(
                 """memberwise serialization of {}
@@ -44,13 +51,28 @@ def read_members(self, chunk, cursor, context, file):
         if self._members["@fBits"] & uproot.const.kIsReferenced:
             cursor.skip(2)
         self._members["@fBits"] = int(self._members["@fBits"])
-
+        if helper_obj.is_forth():
+            skip_length = cursor._index - start_index
+            helper_obj.add_to_pre(f"{skip_length} stream skip \n")
+            if forth_obj.should_add_form():
+                temp_aform = '{"class": "RecordArray", "contents":{}, "parameters": {"__record__": "TObject"}}'
+                forth_obj.add_form(json.loads(temp_aform))
+            temp = forth_obj.add_node(
+                "TObjext",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                0,
+                {},
+            )
     writable = True
 
     def _serialize(self, out, header, name, tobject_flags):
         out.append(b"\x00\x01" + _tobject_format2.pack(0, tobject_flags))
 
-    @classmethod
+    @ classmethod
     def strided_interpretation(
         cls, file, header=False, tobject_header=True, breadcrumbs=(), original=None
     ):
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index 924ce60e4..48f7b3e17 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -120,6 +120,7 @@ def read_members(self, chunk, cursor, context, file):
         if helper_obj.is_forth():
             awkward = uproot.extras.awkward()  # noqa:F841
             forth_obj = helper_obj.get_gen_obj()
+            #raise NotImplementedError
         if self.is_memberwise:
             raise NotImplementedError(
                 """memberwise serialization of {}
@@ -148,18 +149,21 @@ def read_members(self, chunk, cursor, context, file):
                 f"part0-node{form_keys[2]}-data",
                 f"part0-node{form_keys[5]}-data",
             ]
+            # print("===========================================")
+            # print(not bool(forth_obj.awkward_model["content"]), "YUYIYIIy")
+            # print("===========================================")
             if forth_obj.should_add_form():
                 for elem in keys:
                     forth_obj.add_form_key(elem)
                 temp_bool = "false"
                 temp_aform = f'{{"class": "RecordArray", "contents": {{"fname": {{"class": "ListOffsetArray", "offsets": "i64", "content": {{"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": false, "parameters": {{"__array__": "char"}}, "form_key": "node{form_keys[2]}"}}, "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{form_keys[1]}"}}, "fSize": {{"class": "NumpyArray", "primitive": "int64", "inner_shape": [], "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[3]}"}}, "refs": {{"class": "ListOffsetArray", "offsets": "i64", "content": {{"class": "NumpyArray", "primitive": "int64", "inner_shape": [], "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[5]}"}}, "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[4]}"}}}}, "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[0]}"}}'
                 forth_obj.add_form(json.loads(temp_aform))
-            helper_obj.add_to_header(
-                f"output part0-node{form_keys[1]}-offsets int64\noutput part0-node{form_keys[2]}-data uint8\noutput part0-node{form_keys[3]}-data int64\noutput part0-node{form_keys[4]}-offsets int64\noutput part0-node{form_keys[5]}-data int64\n"
-            )
-            helper_obj.add_to_init(
-                f"0 part0-node{form_keys[1]}-offsets <- stack\n0 part0-node{form_keys[4]}-offsets <- stack\n"
-            )
+                helper_obj.add_to_header(
+                    f"output part0-node{form_keys[1]}-offsets int64\noutput part0-node{form_keys[2]}-data uint8\noutput part0-node{form_keys[3]}-data int64\noutput part0-node{form_keys[4]}-offsets int64\noutput part0-node{form_keys[5]}-data int64\n"
+                )
+                helper_obj.add_to_init(
+                    f"0 part0-node{form_keys[1]}-offsets <- stack\n0 part0-node{form_keys[4]}-offsets <- stack\n"
+                )
             temp = forth_obj.add_node(
                 f"node{form_keys[0]}",
                 helper_obj.get_pre(),
@@ -170,7 +174,6 @@ def read_members(self, chunk, cursor, context, file):
                 1,
                 None,
             )
-            forth_obj.go_to(temp)
 
         cursor.skip(10)
         self._members["fName"] = cursor.string(chunk, context)
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index a753f4a2f..a9d96951c 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -214,6 +214,13 @@ def class_code(self):
             '                f"memberwise serialization of {type(self).__name__}\\nin file {self.file.file_path}"',
             "            )",
         ]
+        read_members.append(
+            """
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+            content = {}\n"""
+        )
         read_member_n = [
             "    def read_member_n(self, chunk, cursor, context, file, member_index):"
         ]
@@ -248,8 +255,6 @@ def class_code(self):
         base_names_versions = []
         member_names = []
         class_flags = {}
-        for i in range(len(self._members["fElements"])):
-            print(self._members["fElements"][i])
         for i in range(len(self._members["fElements"])):
             self._members["fElements"][i].class_code(
                 self,
@@ -268,6 +273,7 @@ def class_code(self):
                 member_names,
                 class_flags,
             )
+        read_members.append("        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}})\n            temp = forth_obj.add_node(f\"node{{forth_obj.get_keys()}}\",helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)")
         if len(read_members) == 1:
             # untested as of PR #629
             read_members.append("        pass")
@@ -674,20 +680,14 @@ def class_code(
         member_names,
         class_flags,
     ):
-        read_members.append(
-            """
-        helper_obj = uproot._awkward_forth.GenHelper(context)
-        if helper_obj.is_forth():
-            forth_obj = helper_obj.get_gen_obj()
-            key = forth_obj.get_keys(1)\n"""
-        )
         read_member_n.append(f"        if member_index == {i}:")
 
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
-
+        read_members.append("        if helper_obj.is_forth():\n            forth_obj.dummy_form = True")
         read_members.append(
             f"        self._bases.append(c({self.name!r}, {self.base_version!r}).read(chunk, cursor, context, file, self._file, self._parent, concrete=self.concrete))"
         )
+        read_members.append("        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none()\n")
         read_member_n.append("    " + read_members[-1])
         strided_interpretation.append(
             f"        members.extend(file.class_named({self.name!r}, {self.base_version!r}).strided_interpretation(file, header, tobject_header, breadcrumbs).members)"
@@ -918,12 +918,13 @@ def class_code(
 
                 else:
                     read_members.append('        if helper_obj.is_forth():')
-                    for elem in formats[0]:
+                    for i in range(len(formats[0])):
                         read_members.append('           key = forth_obj.get_keys(1)')
                         read_members.append('           form_key = f"part0-node{key}-data"')
-                        read_members.append(f'           helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(elem)}\\n")')
-                        read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
-                        read_members.append(f'           helper_obj.add_to_pre("stream !{elem}-> output")')
+                        read_members.append(f'           helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[0][i])}\\n")')
+                        #read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
+                        read_members.append(f'           content["{fields[0][i]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[0][i])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f\"node{{key}}\"}}')
+                        read_members.append(f'           helper_obj.add_to_pre(f"stream !{formats[0][i]}-> part0-node{{key}}-data\\n")')
                         read_members.append('           if forth_obj.should_add_form():')
                         read_members.append('               forth_obj.add_form_key(form_key)')
                     assign_members = ", ".join(
diff --git a/tests/test_610-awkward-form.py b/tests/test_610-awkward-form.py
index 5e64fde6f..6e425ed09 100644
--- a/tests/test_610-awkward-form.py
+++ b/tests/test_610-awkward-form.py
@@ -2,6 +2,7 @@
 
 import json
 import sys
+from matplotlib.style import library
 
 import numpy
 import pytest
@@ -100,6 +101,21 @@ def test_awkward_array_tref_array_forth():
     assert awk_data[6][2]["refs"][-1] == 676
 
 
+def test_awkward_array_tvector2_array_forth():
+
+    awk_data = None
+
+    with uproot.open(skhep_testdata.data_path("uproot-HZZ-objects.root"))[
+        "events/MET"
+    ] as tree:
+        interp = uproot.interpretation.identify.interpretation_of(tree, {}, False)
+        interp._forth = True
+        awk_data = tree.array(interp, library="ak")
+    assert awk_data[0]["fX"] == 5.912771224975586
+    assert awk_data[4]["fY"] == -1.3100523948669434
+    assert awk_data[1200]["fX"] == 1.9457910060882568
+
+
 def test_awkward_vector_tstring():
 
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root"))[

From ab56efd62c9a3cc339adf02554057a9056356268 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 6 Jul 2022 18:43:05 +0000
Subject: [PATCH 04/41] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/uproot/_awkward_forth.py                  | 14 ++++--
 src/uproot/containers.py                      |  4 +-
 src/uproot/model.py                           |  5 ++-
 src/uproot/models/TObject.py                  |  8 ++--
 src/uproot/models/TRef.py                     |  2 +-
 src/uproot/streamers.py                       | 45 +++++++++++++------
 .../test_0637-setup-tests-for-AwkwardForth.py |  4 +-
 tests/test_610-awkward-form.py                |  2 +-
 8 files changed, 53 insertions(+), 31 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 53206b073..d1fa47bbd 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -63,7 +63,10 @@ def add_form(self, aform, conlen=0):
                     else:
                         raise ValueError
                 elif "contents" in self.dummy_aform.keys():
-                    if len(self.dummy_aform["content"]) < self.dummy_aform["parameters"]["lencon"]:
+                    if (
+                        len(self.dummy_aform["content"])
+                        < self.dummy_aform["parameters"]["lencon"]
+                    ):
                         self.dummy_aform["contents"].append(aform)
                     else:
                         raise ValueError
@@ -102,7 +105,7 @@ def add_form_key(self, key):
         self.form_keys.append(key)
 
     def go_to(self, aform):
-        #aform["content"] = self.awkward_model
+        # aform["content"] = self.awkward_model
         self.awkward_model = aform
 
     def become(self, aform):
@@ -122,7 +125,10 @@ def add_node(
         self, name, precode, postcode, initcode, headercode, dtype, num_child, content
     ):
         if isinstance(self.awkward_model, dict):
-            if not bool(self.awkward_model["content"]) and self.awkward_model["content"] is not None:
+            if (
+                not bool(self.awkward_model["content"])
+                and self.awkward_model["content"] is not None
+            ):
                 temp_obj = {
                     "name": name,
                     "type": dtype,
@@ -246,5 +252,5 @@ def get_init(self):
 
 
 def convert_dtype(format):
-    if format == 'd':
+    if format == "d":
         return "float64"
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index dc1eebec9..34537efe4 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -783,8 +783,8 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                         )
                     )
                     if helper_obj.is_forth():
-                        forth_obj.go_to(temp['content'])
-                        #print(forth_obj._prev_node, "UOUOUO")
+                        forth_obj.go_to(temp["content"])
+                        # print(forth_obj._prev_node, "UOUOUO")
 
                 # if helper_obj.is_forth():
                 #    forth_obj.go_to(temp)
diff --git a/src/uproot/model.py b/src/uproot/model.py
index a167fd2a0..0420355e5 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -1292,6 +1292,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         :doc:`uproot.model.UnknownClassVersion` is created instead.
         """
         import uproot.deserialization
+
         temp_node = None
 
         helper_obj = uproot._awkward_forth.GenHelper(context)
@@ -1342,7 +1343,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
 
         # versioned_cls.read starts with numbytes_version again because move=False (above)
         # if helper_obj.is_forth():
-            # print(versioned_cls)
+        # print(versioned_cls)
         temp_var = cls.postprocess(
             versioned_cls.read(
                 chunk, cursor, context, file, selffile, parent, concrete=concrete
@@ -1354,7 +1355,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         )
         # if helper_obj.is_forth():
         #    if "no_go_to" not in context.keys():
-        #raise NotImplementedError
+        # raise NotImplementedError
         # forth_obj.go_to(temp_node)
         return temp_var
 
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index ee41a1ec5..530045fcc 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -5,14 +5,13 @@
 """
 
 
+import json
 import struct
 
 import numpy
 
 import uproot
 
-import json
-
 _tobject_format1 = struct.Struct(">h")
 _tobject_format2 = struct.Struct(">II")
 
@@ -31,7 +30,7 @@ def read_members(self, chunk, cursor, context, file):
         start_index = cursor._index
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
-            #raise NotImplementedError
+            # raise NotImplementedError
         if self.is_memberwise:
             raise NotImplementedError(
                 """memberwise serialization of {}
@@ -67,12 +66,13 @@ def read_members(self, chunk, cursor, context, file):
                 0,
                 {},
             )
+
     writable = True
 
     def _serialize(self, out, header, name, tobject_flags):
         out.append(b"\x00\x01" + _tobject_format2.pack(0, tobject_flags))
 
-    @ classmethod
+    @classmethod
     def strided_interpretation(
         cls, file, header=False, tobject_header=True, breadcrumbs=(), original=None
     ):
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index 48f7b3e17..44d83e4d6 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -120,7 +120,7 @@ def read_members(self, chunk, cursor, context, file):
         if helper_obj.is_forth():
             awkward = uproot.extras.awkward()  # noqa:F841
             forth_obj = helper_obj.get_gen_obj()
-            #raise NotImplementedError
+            # raise NotImplementedError
         if self.is_memberwise:
             raise NotImplementedError(
                 """memberwise serialization of {}
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index a9d96951c..739592eec 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -13,7 +13,6 @@
 import numpy
 
 import uproot
-
 import uproot._awkward_forth
 
 _canonical_typename_patterns = [
@@ -273,7 +272,9 @@ def class_code(self):
                 member_names,
                 class_flags,
             )
-        read_members.append("        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}})\n            temp = forth_obj.add_node(f\"node{{forth_obj.get_keys()}}\",helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)")
+        read_members.append(
+            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}})\n            temp = forth_obj.add_node(f\"node{{forth_obj.get_keys()}}\",helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)"
+        )
         if len(read_members) == 1:
             # untested as of PR #629
             read_members.append("        pass")
@@ -683,11 +684,15 @@ def class_code(
         read_member_n.append(f"        if member_index == {i}:")
 
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
-        read_members.append("        if helper_obj.is_forth():\n            forth_obj.dummy_form = True")
+        read_members.append(
+            "        if helper_obj.is_forth():\n            forth_obj.dummy_form = True"
+        )
         read_members.append(
             f"        self._bases.append(c({self.name!r}, {self.base_version!r}).read(chunk, cursor, context, file, self._file, self._parent, concrete=self.concrete))"
         )
-        read_members.append("        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none()\n")
+        read_members.append(
+            "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none()\n"
+        )
         read_member_n.append("    " + read_members[-1])
         strided_interpretation.append(
             f"        members.extend(file.class_named({self.name!r}, {self.base_version!r}).strided_interpretation(file, header, tobject_header, breadcrumbs).members)"
@@ -889,7 +894,7 @@ def class_code(
             read_member_n.append("    " + read_members[-1])
 
         elif self.array_length == 0:
-            #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
+            # ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++#
             if (
                 i == 0
                 or not isinstance(elements[i - 1], Model_TStreamerBasicType)
@@ -917,16 +922,28 @@ def class_code(
                     )
 
                 else:
-                    read_members.append('        if helper_obj.is_forth():')
+                    read_members.append("        if helper_obj.is_forth():")
                     for i in range(len(formats[0])):
-                        read_members.append('           key = forth_obj.get_keys(1)')
-                        read_members.append('           form_key = f"part0-node{key}-data"')
-                        read_members.append(f'           helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[0][i])}\\n")')
-                        #read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
-                        read_members.append(f'           content["{fields[0][i]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[0][i])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f\"node{{key}}\"}}')
-                        read_members.append(f'           helper_obj.add_to_pre(f"stream !{formats[0][i]}-> part0-node{{key}}-data\\n")')
-                        read_members.append('           if forth_obj.should_add_form():')
-                        read_members.append('               forth_obj.add_form_key(form_key)')
+                        read_members.append("           key = forth_obj.get_keys(1)")
+                        read_members.append(
+                            '           form_key = f"part0-node{key}-data"'
+                        )
+                        read_members.append(
+                            f'           helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[0][i])}\\n")'
+                        )
+                        # read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
+                        read_members.append(
+                            f'           content["{fields[0][i]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[0][i])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
+                        )
+                        read_members.append(
+                            f'           helper_obj.add_to_pre(f"stream !{formats[0][i]}-> part0-node{{key}}-data\\n")'
+                        )
+                        read_members.append(
+                            "           if forth_obj.should_add_form():"
+                        )
+                        read_members.append(
+                            "               forth_obj.add_form_key(form_key)"
+                        )
                     assign_members = ", ".join(
                         f"self._members[{x!r}]" for x in fields[-1]
                     )
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index a1d16bcfb..88bd486ae 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -666,9 +666,7 @@ def test_80():
 
 
 def test_81():
-    with uproot.open(
-        skhep_testdata.data_path("uproot-HZZ-objects.root")
-    ) as file:
+    with uproot.open(skhep_testdata.data_path("uproot-HZZ-objects.root")) as file:
         branch = file["events/MET"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         py = branch.array(interp, library="np", entry_stop=2)
diff --git a/tests/test_610-awkward-form.py b/tests/test_610-awkward-form.py
index 6e425ed09..68ff10158 100644
--- a/tests/test_610-awkward-form.py
+++ b/tests/test_610-awkward-form.py
@@ -2,11 +2,11 @@
 
 import json
 import sys
-from matplotlib.style import library
 
 import numpy
 import pytest
 import skhep_testdata
+from matplotlib.style import library
 
 import uproot
 

From 989463fa0aac3212de280bf180aed1583eba991d Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Wed, 6 Jul 2022 13:44:07 -0500
Subject: [PATCH 05/41] added pytest approx for big float tests

---
 tests/test_610-awkward-form.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/test_610-awkward-form.py b/tests/test_610-awkward-form.py
index 6e425ed09..a8884e475 100644
--- a/tests/test_610-awkward-form.py
+++ b/tests/test_610-awkward-form.py
@@ -111,9 +111,9 @@ def test_awkward_array_tvector2_array_forth():
         interp = uproot.interpretation.identify.interpretation_of(tree, {}, False)
         interp._forth = True
         awk_data = tree.array(interp, library="ak")
-    assert awk_data[0]["fX"] == 5.912771224975586
-    assert awk_data[4]["fY"] == -1.3100523948669434
-    assert awk_data[1200]["fX"] == 1.9457910060882568
+    assert awk_data[0]["fX"] == pytest.approx(5.912771224975586)
+    assert awk_data[4]["fY"] == pytest.approx(-1.3100523948669434)
+    assert awk_data[1200]["fX"] == pytest.approx(1.9457910060882568)
 
 
 def test_awkward_vector_tstring():

From 1c00b279e3500573f8b09cfe29db9a1d72d68d01 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Wed, 6 Jul 2022 13:52:35 -0500
Subject: [PATCH 06/41] linting

---
 src/uproot/_awkward_forth.py   | 11 ++++++++---
 src/uproot/model.py            |  8 +++-----
 src/uproot/models/TObject.py   |  2 +-
 src/uproot/models/TRef.py      |  2 +-
 src/uproot/streamers.py        |  5 -----
 tests/test_610-awkward-form.py |  1 -
 6 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index d1fa47bbd..f2e53f2f1 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -5,9 +5,6 @@
 """
 
 
-from pytz import NonExistentTimeError
-
-
 class ForthGenerator:
     """
     This class is passed through the Forth code generation, collecting Forth snippets and concatenating them at the end.
@@ -252,5 +249,13 @@ def get_init(self):
 
 
 def convert_dtype(format):
+    """Takes datatype codes from classses and returns the full datatype name.
+
+    Args:
+        format (string): The datatype in the dynamic class
+
+    Returns:
+        string: The datatype in words.
+    """
     if format == "d":
         return "float64"
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 0420355e5..1c447f6ac 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -784,7 +784,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                     cls.__name__
                 ):
                     if helper_obj.is_forth():
-                        temp = forth_obj.add_node(
+                        forth_obj.add_node(
                             "pass",
                             helper_obj.get_pre(),
                             helper_obj.get_post(),
@@ -824,7 +824,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
             if helper_obj.is_forth():
-                temp = forth_obj.add_node(
+                forth_obj.add_node(
                     "model828",
                     helper_obj.get_pre(),
                     helper_obj.get_post(),
@@ -1293,8 +1293,6 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         """
         import uproot.deserialization
 
-        temp_node = None
-
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
         if helper_obj.is_forth():
@@ -1311,7 +1309,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         bytes_skipped = cursor._index - start_index
         if helper_obj.is_forth():
             helper_obj.add_to_pre(f"{bytes_skipped} stream skip \n")
-            temp_node = forth_obj.add_node(
+            forth_obj.add_node(
                 "Model1319",
                 helper_obj.get_pre(),
                 helper_obj.get_post(),
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index 530045fcc..d14a4f6fa 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -56,7 +56,7 @@ def read_members(self, chunk, cursor, context, file):
             if forth_obj.should_add_form():
                 temp_aform = '{"class": "RecordArray", "contents":{}, "parameters": {"__record__": "TObject"}}'
                 forth_obj.add_form(json.loads(temp_aform))
-            temp = forth_obj.add_node(
+            forth_obj.add_node(
                 "TObjext",
                 helper_obj.get_pre(),
                 helper_obj.get_post(),
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index 44d83e4d6..6ae1e557c 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -164,7 +164,7 @@ def read_members(self, chunk, cursor, context, file):
                 helper_obj.add_to_init(
                     f"0 part0-node{form_keys[1]}-offsets <- stack\n0 part0-node{form_keys[4]}-offsets <- stack\n"
                 )
-            temp = forth_obj.add_node(
+            forth_obj.add_node(
                 f"node{form_keys[0]}",
                 helper_obj.get_pre(),
                 helper_obj.get_post(),
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 739592eec..d8e9f44ad 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -1491,11 +1491,6 @@ class Model_TStreamerObject(TStreamerObjectTypes, Model_TStreamerElement):
 
     def read_members(self, chunk, cursor, context, file):
 
-        helper_obj = uproot._awkward_forth.GenHelper(context)
-
-        if helper_obj.is_forth():
-            forth_obj = helper_obj.get_gen_obj()
-
         start = cursor.index
 
         self._bases.append(
diff --git a/tests/test_610-awkward-form.py b/tests/test_610-awkward-form.py
index 8f9afeb7b..4a0c91fff 100644
--- a/tests/test_610-awkward-form.py
+++ b/tests/test_610-awkward-form.py
@@ -6,7 +6,6 @@
 import numpy
 import pytest
 import skhep_testdata
-from matplotlib.style import library
 
 import uproot
 

From 0519abff0df9fc3fec731150d5ecac73455a1f19 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Thu, 7 Jul 2022 08:55:06 -0500
Subject: [PATCH 07/41] vectors of arbitrary lengths work

---
 src/uproot/_awkward_forth.py         | 26 +++++++++
 src/uproot/containers.py             | 80 ++++++++++++++++++++++++++--
 src/uproot/interpretation/objects.py |  1 +
 src/uproot/models/TObject.py         |  1 -
 src/uproot/streamers.py              |  1 +
 5 files changed, 103 insertions(+), 6 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index f2e53f2f1..3832cc1fc 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -4,6 +4,15 @@
 This module defines utilities for adding components to the forth reader.
 """
 
+import numpy as np
+
+symbol_dict = {
+    np.dtype(">f4"): "f",
+    np.dtype(">f8"): "d",
+    np.dtype(">i8"): "q",
+    np.dtype(">i4"): "i",
+}
+
 
 class ForthGenerator:
     """
@@ -32,6 +41,17 @@ def __init__(self, aform=None, count_obj=0, var_set=False):
     def traverse_aform(self):
         self.aform = self.aform.content
 
+    def replace_form_and_model(self, form, model):
+        temp_node = self.awkward_model
+        temp_node_top = self._prev_node
+        self.awkward_model = model
+        self._prev_node = self.awkward_model
+        temp_form = self.aform
+        temp_form_top = self.top_form
+        self.top_form = None
+        self.aform = form
+        return temp_node, temp_node_top, temp_form, temp_form_top
+
     def should_add_form(self):
         if "content" in self.awkward_model.keys():
             if self.awkward_model["content"] is None:
@@ -259,3 +279,9 @@ def convert_dtype(format):
     """
     if format == "d":
         return "float64"
+    elif format == "f":
+        return "float32"
+    elif format == "q":
+        return "int64"
+    elif format == "i":
+        return "int32"
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 34537efe4..420f26ef8 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -48,11 +48,45 @@ def _content_cache_key(content):
 def _read_nested(
     model, length, chunk, cursor, context, file, selffile, parent, header=True
 ):
+    helper_obj = uproot._awkward_forth.GenHelper(context)
+
+    if helper_obj.is_forth():
+        forth_obj = helper_obj.get_gen_obj()
+
     if isinstance(model, numpy.dtype):
+        symbol = uproot._awkward_forth.symbol_dict.get(model)
+        if symbol is None and helper_obj.is_forth():
+            raise TypeError("Cannot be awkward")
+        if helper_obj.is_forth():
+            key = forth_obj.get_keys(1)
+            form_key = f"part0-node{key}-data"
+            helper_obj.add_to_header(
+                f"output part0-node{key}-data {uproot._awkward_forth.convert_dtype(symbol)}\n"
+            )
+            helper_obj.add_to_pre(f"stream #!{symbol}-> part0-node{key}-data\n")
+            if forth_obj.should_add_form():
+                forth_obj.add_form_key(form_key)
+                forth_obj.add_form(
+                    {
+                        "class": "NumpyArray",
+                        "primitive": f"{uproot._awkward_forth.convert_dtype(symbol)}",
+                        "form_key": f"node{key}",
+                    }
+                )
+            temp = forth_obj.add_node(
+                f"node{key}",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                1,
+                None,
+            )
+            forth_obj.go_to(temp)
         return cursor.array(chunk, length, model, context)
 
     else:
-
         values = numpy.empty(length, dtype=_stl_object_type)
         if isinstance(model, AsContainer):
             for i in range(length):
@@ -1079,9 +1113,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
                 helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
                 helper_obj.add_to_pre(
-                    f"stream !I-> stack\ndup part0-node{key}-offsets +<- stack\n0 do \n"
+                    f"stream !I-> stack\ndup part0-node{key}-offsets +<- stack\n"
                 )
-                helper_obj.add_to_post("loop\n")
+                # helper_obj.add_to_post("loop\n")
                 if forth_obj.should_add_form():
                     forth_obj.add_form_key(form_key)
                     if self._header:
@@ -1090,6 +1124,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                         temp_bool = "false"
                     temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": "NULL", "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{key}"}}'
                     forth_obj.add_form(json.loads(temp_aform))
+                if not isinstance(self._values, numpy.dtype):
+                    helper_obj.add_to_pre("0 do\n")
+                    helper_obj.add_to_post("loop\n")
                 temp = forth_obj.add_node(
                     f"node{key}",
                     helper_obj.get_pre(),
@@ -1359,7 +1396,10 @@ def awkward_form(self, file, context):
 
     def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         # @aryan26roy: test_0637's 00,33,35,39,47,48,66,67,68,69,70,71,72,73,74,75,76,77,78,79
+        # helper_obj = uproot._awkward_forth.GenHelper(context)
 
+        # if helper_obj.is_forth():
+        #     forth_obj = helper_obj.get_gen_obj()
         if self._header and header:
             start_cursor = cursor.copy()
             (
@@ -1368,6 +1408,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 is_memberwise,
             ) = uproot.deserialization.numbytes_version(chunk, cursor, context)
             cursor.skip(6)
+            # if helper_obj.is_forth():
+            #     temp_jump = cursor._index - start_cursor._index
+            #     helper_obj.add_to_pre(f"{temp_jump+6} stream skip\n")
         else:
             is_memberwise = False
 
@@ -1375,7 +1418,10 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             length = cursor.field(chunk, _stl_container_size, context)
 
             if _has_nested_header(self._keys) and header:
+                # helper_obj.add_to_pre(f"6 stream skip\n")
                 cursor.skip(6)
+            # if helper_obj.is_forth():
+            #     temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
             keys = _read_nested(
                 self._keys,
                 length,
@@ -1387,8 +1433,13 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 parent,
                 header=False,
             )
-
+            # if helper_obj.is_forth():
+            #     keys_form = forth_obj.top_form
+            #     keys_model = forth_obj._prev_node
+            #     print(keys_form, keys_model, "OOKKOKOKOk")
+            #     temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
             if _has_nested_header(self._values) and header:
+                # keys_model["content"]["pre_code"].append(f"6 stream skip\n")
                 cursor.skip(6)
             values = _read_nested(
                 self._values,
@@ -1401,7 +1452,26 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 parent,
                 header=False,
             )
-
+            # if helper_obj.is_forth():
+            #     values_form = forth_obj.top_form
+            #     values_model = forth_obj._prev_node
+            #     forth_obj.awkward_model = temp_node
+            #     forth_obj._prev_node = temp_node_top
+            #     forth_obj.aform = temp_form
+            #     forth_obj.top_form = temp_form_top
+            #     aform = {"class": "RecordArray", "contents": {"key": keys_form, "value": values_form}}
+            #     if forth_obj.should_add_form():
+            #         forth_obj.add_form(aform)
+            #     temp = forth_obj.add_node(
+            #         f"nodeMap",
+            #         helper_obj.get_pre(),
+            #         helper_obj.get_post(),
+            #         helper_obj.get_init(),
+            #         helper_obj.get_header(),
+            #         "i64",
+            #         1,
+            #         [keys_model, values_model],
+            #     )
             out = STLMap(keys, values)
 
             if self._header and header:
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index be506ddf2..2c3a6b48a 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -306,6 +306,7 @@ def basket_array_forth(
         return output
 
     def assemble_forth(self, forth_obj, awkward_model):
+        # print(awkward_model)
         forth_obj.add_to_header(awkward_model["header_code"])
         forth_obj.add_to_init(awkward_model["init_code"])
         forth_obj.add_to_final(awkward_model["pre_code"])
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index d14a4f6fa..d56523343 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -25,7 +25,6 @@ def read_numbytes_version(self, chunk, cursor, context):
         pass
 
     def read_members(self, chunk, cursor, context, file):
-        # raise NotImplementedError
         helper_obj = uproot._awkward_forth.GenHelper(context)
         start_index = cursor._index
         if helper_obj.is_forth():
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index d8e9f44ad..9e826e20f 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -908,6 +908,7 @@ def class_code(
             formats[-1].append(_ftype_to_struct(self.fType))
             formats_memberwise.append(_ftype_to_struct(self.fType))
 
+            # print("AHAHAHA")
             if (
                 i + 1 == len(elements)
                 or not isinstance(elements[i + 1], Model_TStreamerBasicType)

From 736b33b3a0415fe2f4cd0159890bd4dee5a6aa47 Mon Sep 17 00:00:00 2001
From: Jim Pivarski <jpivarski@gmail.com>
Date: Thu, 7 Jul 2022 13:40:41 -0500
Subject: [PATCH 08/41] Turn off fail-fast to learn more about this error.

---
 .github/workflows/build-test.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 46a1e076a..1c553c14e 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -19,6 +19,7 @@ jobs:
             python-version: "3.6"
           - platform: "windows-latest"
             python-version: "3.7"
+      fail-fast: false
 
     runs-on: "${{ matrix.platform }}"
 

From 972bdddfd94eaa723c1849abaec01ace9921309d Mon Sep 17 00:00:00 2001
From: Jim Pivarski <jpivarski@gmail.com>
Date: Thu, 7 Jul 2022 18:09:51 -0500
Subject: [PATCH 09/41] Made the Forth control flow thread-safe.

---
 src/uproot/_awkward_forth.py                  |   4 +-
 src/uproot/behaviors/TBranch.py               |   8 +-
 src/uproot/interpretation/objects.py          | 207 ++++++++++--------
 src/uproot/model.py                           |   2 +-
 ...ward-form.py => test_0610-awkward-form.py} |   0
 5 files changed, 124 insertions(+), 97 deletions(-)
 rename tests/{test_610-awkward-form.py => test_0610-awkward-form.py} (100%)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 3832cc1fc..d2df8b490 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -233,9 +233,9 @@ def __init__(self, context):
         self._header = ""
         self._init = ""
         self._form_key = []
-        if "forth" in context.keys():
+        if hasattr(context.get("forth"), "gen"):
             self.forth_present = True
-            self._gen_obj = context["forth"]
+            self._gen_obj = context["forth"].gen
 
     def is_forth(self):
         return self.forth_present
diff --git a/src/uproot/behaviors/TBranch.py b/src/uproot/behaviors/TBranch.py
index 16ca07e45..e6fd3bef1 100644
--- a/src/uproot/behaviors/TBranch.py
+++ b/src/uproot/behaviors/TBranch.py
@@ -3244,6 +3244,9 @@ def chunk_to_basket(chunk, branch, basket_num):
         else:
             notifications.put(basket)
 
+    # all threads (if multithreaded) share a thread-local context for Forth
+    forth_context = threading.local()
+
     def basket_to_array(basket):
         try:
             assert basket.basket_num is not None
@@ -3251,12 +3254,15 @@ def basket_to_array(basket):
             interpretation = branchid_interpretation[branch.cache_key]
             basket_arrays = branchid_arrays[branch.cache_key]
 
+            context = dict(branch.context)
+            context["forth"] = forth_context
+
             basket_arrays[basket.basket_num] = interpretation.basket_array(
                 basket.data,
                 basket.byte_offsets,
                 basket,
                 branch,
-                branch.context,
+                context,
                 basket.member("fKeylen"),
                 library,
             )
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 2c3a6b48a..f649fa3bd 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -64,11 +64,10 @@ class AsObjects(uproot.interpretation.Interpretation):
     def __init__(self, model, branch=None):
         self._model = model
         self._branch = branch
-        self._prereaddone = False
         self._forth = False
-        self._forth_vm = threading.local()
-        self._complete_forth_code = []
-        self._forth_vm_set = False
+        self._forth_lock = threading.Lock()
+        self._forth_form_keys = None
+        self._complete_forth_code = None
         self._form = None
 
     @property
@@ -202,96 +201,74 @@ def basket_array_forth(
         )
         assert basket.byte_offsets is not None
 
-        output = None
-        if "forth" not in context.keys():
-            forth_gen = uproot._awkward_forth.ForthGenerator()
-            context["forth"] = forth_gen
+        if not hasattr(context["forth"], "vm"):
+            # context["forth"] is a threading.local()
+            context["forth"].vm = None
+            context["forth"].gen = uproot._awkward_forth.ForthGenerator()
 
-        if isinstance(library, uproot.interpretation.library.Awkward):
-            form = self.awkward_form(
-                branch.file,
-                {
-                    "index_format": "i64",
-                    "header": False,
-                    "tobject_header": True,
-                    "breadcrumbs": (),
-                },
-            )
-            if awkward_can_optimize(self, form):
-                import awkward._connect._uproot
-
-                extra = {
-                    "interpretation": self,
-                    "basket": basket,
-                    "branch": branch,
-                    "context": context,
-                    "cursor_offset": cursor_offset,
-                }
-                output = awkward._connect._uproot.basket_array(
-                    form, data, byte_offsets, extra
-                )
-        if not self._forth_vm_set:
-            if not self._prereaddone:
-                if output is None:
-                    output = numpy.empty(
-                        len(byte_offsets) - 1, dtype=numpy.dtype(object)
+        if self._complete_forth_code is None:
+            with self._forth_lock:
+                # all threads have to wait until complete_forth_code is ready
+
+                if self._complete_forth_code is None:
+                    # another thread didn't make it while this thread waited
+                    # this thread tries to make it now
+                    output = self._discover_forth(
+                        data, byte_offsets, branch, context, cursor_offset
                     )
-                    for i in range(len(byte_offsets) - 1):
-                        byte_start = byte_offsets[i]
-                        byte_stop = byte_offsets[i + 1]
-                        temp_data = data[byte_start:byte_stop]
-                        chunk = uproot.source.chunk.Chunk.wrap(
-                            branch.file.source, temp_data
-                        )
-                        cursor = uproot.source.cursor.Cursor(
-                            0, origin=-(byte_start + cursor_offset)
-                        )
-                        context["forth"].var_set = False
-                        output[i] = self._model.read(
-                            chunk,
-                            cursor,
-                            context,
-                            branch.file,
-                            branch.file.detached,
-                            branch,
+
+                    if output is not None:
+                        # Forth discovery was unsuccessful; return Python-derived
+                        # output and maybe another basket will be more fruitful
+                        self.hook_after_basket_array(
+                            data=data,
+                            byte_offsets=byte_offsets,
+                            basket=basket,
+                            branch=branch,
+                            context=context,
+                            output=output,
+                            cursor_offset=cursor_offset,
+                            library=library,
                         )
-                        if not context["forth"].var_set:
-                            self._prereaddone = True
-                            self.assemble_forth(
-                                context["forth"], context["forth"]._prev_node["content"]
-                            )
-                            self._complete_forth_code = f'input stream\ninput byteoffsets\ninput bytestops\n{"".join(context["forth"].final_header)}\n{"".join(context["forth"].final_init)}\n0 do\nbyteoffsets I-> stack\nstream seek \n{"".join(context["forth"].final_code)}\nloop'
-                            self._forth_vm.vm = awkward.forth.ForthMachine64(
-                                self._complete_forth_code
-                            )
-                            self._form = context["forth"].top_form
-                            self._forth_vm_set = True
-                            break
-            else:
-                self._forth_vm.vm = awkward.forth.ForthMachine64(
+                        return output
+
+        # if we didn't return already, either this thread generated the
+        # complete_forth_code or another did
+        assert self._complete_forth_code is not None
+
+        if context["forth"].vm is None:
+            try:
+                context["forth"].vm = awkward.forth.ForthMachine64(
                     self._complete_forth_code
                 )
-                self._forth_vm_set = True
-        if self._forth_vm_set:
-            byte_start = byte_offsets[0]
-            byte_stop = byte_offsets[-1]
-            temp_data = data[byte_start:byte_stop]
-            self._forth_vm.vm.begin(
-                {
-                    "stream": numpy.array(temp_data),
-                    "byteoffsets": numpy.array(byte_offsets[:-1]),
-                    "bytestops": numpy.array(byte_offsets[1:]),
-                }
-            )
-            self._forth_vm.vm.stack_push(len(byte_offsets) - 1)
-            self._forth_vm.vm.resume()
-            container = {}
-            for elem in context["forth"].form_keys:
-                if "offsets" in elem:
-                    container[elem] = self._forth_vm.vm.output_Index64(elem)
-                else:
-                    container[elem] = self._forth_vm.vm.output_NumpyArray(elem)
-            output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
+            except Exception as err:
+                raise type(err)(
+                    str(err)
+                    + "\n\nForth code generated for this data type:\n\n"
+                    + self._complete_forth_code
+                ) from err
+
+        # get data using Forth
+        byte_start = byte_offsets[0]
+        byte_stop = byte_offsets[-1]
+        temp_data = data[byte_start:byte_stop]
+        context["forth"].vm.begin(
+            {
+                "stream": numpy.array(temp_data),
+                "byteoffsets": numpy.array(byte_offsets[:-1]),
+                "bytestops": numpy.array(byte_offsets[1:]),
+            }
+        )
+        context["forth"].vm.stack_push(len(byte_offsets) - 1)
+        context["forth"].vm.resume()
+        container = {}
+        for elem in self._forth_form_keys:
+            if "offsets" in elem:
+                container[elem] = context["forth"].vm.output_Index64(elem)
+            else:
+                container[elem] = context["forth"].vm.output_NumpyArray(elem)
+        output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
+
         self.hook_after_basket_array(
             data=data,
             byte_offsets=byte_offsets,
@@ -305,8 +282,52 @@ def basket_array_forth(
 
         return output
 
-    def assemble_forth(self, forth_obj, awkward_model):
-        # print(awkward_model)
+    def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
+        output = numpy.empty(len(byte_offsets) - 1, dtype=numpy.dtype(object))
+
+        for i in range(len(byte_offsets) - 1):
+            byte_start = byte_offsets[i]
+            byte_stop = byte_offsets[i + 1]
+            temp_data = data[byte_start:byte_stop]
+            chunk = uproot.source.chunk.Chunk.wrap(branch.file.source, temp_data)
+            cursor = uproot.source.cursor.Cursor(
+                0, origin=-(byte_start + cursor_offset)
+            )
+            context["forth"].gen.var_set = False
+            output[i] = self._model.read(
+                chunk,
+                cursor,
+                context,
+                branch.file,
+                branch.file.detached,
+                branch,
+            )
+
+            if not context["forth"].gen.var_set:
+                context["forth"].prereaddone = True
+                self._assemble_forth(
+                    context["forth"].gen, context["forth"].gen._prev_node["content"]
+                )
+
+                self._complete_forth_code = f"""input stream
+input byteoffsets
+input bytestops
+{"".join(context["forth"].gen.final_header)}
+{"".join(context["forth"].gen.final_init)}
+0 do
+byteoffsets I-> stack
+stream seek
+{"".join(context["forth"].gen.final_code)}
+loop
+"""
+                self._forth_form_keys = tuple(context["forth"].gen.form_keys)
+                self._form = context["forth"].gen.top_form
+
+                return None  # we should re-read all the data with Forth
+
+        return output  # Forth-generation was unsuccessful: this is Python output
+
+    def _assemble_forth(self, forth_obj, awkward_model):
         forth_obj.add_to_header(awkward_model["header_code"])
         forth_obj.add_to_init(awkward_model["init_code"])
         forth_obj.add_to_final(awkward_model["pre_code"])
@@ -314,9 +335,9 @@ def assemble_forth(self, forth_obj, awkward_model):
             temp_content = awkward_model["content"]
             if isinstance(temp_content, list):
                 for elem in temp_content:
-                    self.assemble_forth(forth_obj, elem)
+                    self._assemble_forth(forth_obj, elem)
             elif isinstance(temp_content, dict):
-                self.assemble_forth(forth_obj, awkward_model["content"])
+                self._assemble_forth(forth_obj, awkward_model["content"])
             else:
                 pass
         forth_obj.add_to_final(awkward_model["post_code"])
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 1c447f6ac..b733cbc62 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -766,7 +766,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         self.hook_before_read(chunk=chunk, cursor=cursor, context=context, file=file)
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
-            forth_obj = context["forth"]
+            forth_obj = context["forth"].gen
 
         if context.get("reading", True):
             temp_index = cursor._index
diff --git a/tests/test_610-awkward-form.py b/tests/test_0610-awkward-form.py
similarity index 100%
rename from tests/test_610-awkward-form.py
rename to tests/test_0610-awkward-form.py

From 081b09ed5260fbf969fd25970a8ce5e2d358474f Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Mon, 18 Jul 2022 09:11:29 -0500
Subject: [PATCH 10/41] fixed code generation bug

---
 src/uproot/containers.py             | 70 ++++++++++++++--------------
 src/uproot/interpretation/objects.py | 33 +++++++------
 2 files changed, 53 insertions(+), 50 deletions(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 420f26ef8..3de5d230b 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1396,10 +1396,10 @@ def awkward_form(self, file, context):
 
     def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         # @aryan26roy: test_0637's 00,33,35,39,47,48,66,67,68,69,70,71,72,73,74,75,76,77,78,79
-        # helper_obj = uproot._awkward_forth.GenHelper(context)
+        helper_obj = uproot._awkward_forth.GenHelper(context)
 
-        # if helper_obj.is_forth():
-        #     forth_obj = helper_obj.get_gen_obj()
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
         if self._header and header:
             start_cursor = cursor.copy()
             (
@@ -1408,9 +1408,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 is_memberwise,
             ) = uproot.deserialization.numbytes_version(chunk, cursor, context)
             cursor.skip(6)
-            # if helper_obj.is_forth():
-            #     temp_jump = cursor._index - start_cursor._index
-            #     helper_obj.add_to_pre(f"{temp_jump+6} stream skip\n")
+            if helper_obj.is_forth():
+                temp_jump = cursor._index - start_cursor._index
+                helper_obj.add_to_pre(f"{temp_jump+6} stream skip\n")
         else:
             is_memberwise = False
 
@@ -1418,10 +1418,10 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             length = cursor.field(chunk, _stl_container_size, context)
 
             if _has_nested_header(self._keys) and header:
-                # helper_obj.add_to_pre(f"6 stream skip\n")
+                helper_obj.add_to_pre(f"6 stream skip\n")
                 cursor.skip(6)
-            # if helper_obj.is_forth():
-            #     temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
+            if helper_obj.is_forth():
+                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
             keys = _read_nested(
                 self._keys,
                 length,
@@ -1433,13 +1433,13 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 parent,
                 header=False,
             )
-            # if helper_obj.is_forth():
-            #     keys_form = forth_obj.top_form
-            #     keys_model = forth_obj._prev_node
-            #     print(keys_form, keys_model, "OOKKOKOKOk")
-            #     temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
+            if helper_obj.is_forth():
+                keys_form = forth_obj.top_form
+                keys_model = forth_obj._prev_node
+                print(keys_form, keys_model, "OOKKOKOKOk")
+                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
             if _has_nested_header(self._values) and header:
-                # keys_model["content"]["pre_code"].append(f"6 stream skip\n")
+                keys_model["content"]["post_code"].append(f"6 stream skip\n")
                 cursor.skip(6)
             values = _read_nested(
                 self._values,
@@ -1452,26 +1452,26 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 parent,
                 header=False,
             )
-            # if helper_obj.is_forth():
-            #     values_form = forth_obj.top_form
-            #     values_model = forth_obj._prev_node
-            #     forth_obj.awkward_model = temp_node
-            #     forth_obj._prev_node = temp_node_top
-            #     forth_obj.aform = temp_form
-            #     forth_obj.top_form = temp_form_top
-            #     aform = {"class": "RecordArray", "contents": {"key": keys_form, "value": values_form}}
-            #     if forth_obj.should_add_form():
-            #         forth_obj.add_form(aform)
-            #     temp = forth_obj.add_node(
-            #         f"nodeMap",
-            #         helper_obj.get_pre(),
-            #         helper_obj.get_post(),
-            #         helper_obj.get_init(),
-            #         helper_obj.get_header(),
-            #         "i64",
-            #         1,
-            #         [keys_model, values_model],
-            #     )
+            if helper_obj.is_forth():
+                values_form = forth_obj.top_form
+                values_model = forth_obj._prev_node
+                forth_obj.awkward_model = temp_node
+                forth_obj._prev_node = temp_node_top
+                forth_obj.aform = temp_form
+                forth_obj.top_form = temp_form_top
+                aform = {"class": "RecordArray", "contents": {"key": keys_form, "value": values_form}}
+                if forth_obj.should_add_form():
+                    forth_obj.add_form(aform)
+                temp = forth_obj.add_node(
+                    f"nodeMap",
+                    helper_obj.get_pre(),
+                    helper_obj.get_post(),
+                    helper_obj.get_init(),
+                    helper_obj.get_header(),
+                    "i64",
+                    1,
+                    [keys_model, values_model],
+                )
             out = STLMap(keys, values)
 
             if self._header and header:
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 2c3a6b48a..de26b7b17 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -285,7 +285,10 @@ def basket_array_forth(
             )
             self._forth_vm.vm.stack_push(len(byte_offsets) - 1)
             self._forth_vm.vm.resume()
+            print(self._forth_vm.vm.outputs)
+            print("==================================================")
             container = {}
+            print(self._form, "OPPOPO")
             for elem in context["forth"].form_keys:
                 if "offsets" in elem:
                     container[elem] = self._forth_vm.vm.output_Index64(elem)
@@ -540,7 +543,7 @@ def __init__(self, model, members, original=None):
         self._original = original
         super().__init__(_unravel_members(members))
 
-    @property
+    @ property
     def model(self):
         """
         The full Uproot deserialization model for the data
@@ -548,7 +551,7 @@ def model(self):
         """
         return self._model
 
-    @property
+    @ property
     def members(self):
         """
         The name (str) and fixed-width
@@ -557,7 +560,7 @@ def members(self):
         """
         return self._members
 
-    @property
+    @ property
     def original(self):
         """
         If not None, this was the original
@@ -578,7 +581,7 @@ def __repr__(self):
     def __eq__(self, other):
         return isinstance(other, AsStridedObjects) and self._model == other._model
 
-    @property
+    @ property
     def numpy_dtype(self):
         return numpy.dtype(object)
 
@@ -601,11 +604,11 @@ def awkward_form(
             form = awkward.forms.RegularForm(form, dim)
         return form
 
-    @property
+    @ property
     def cache_key(self):
         return f"{type(self).__name__}({self._model.__name__})"
 
-    @property
+    @ property
     def typename(self):
         return uproot.model.classname_decode(self._model.__name__)[0]
 
@@ -681,7 +684,7 @@ def __repr__(self):
             self._cursor_offset,
         )
 
-    @property
+    @ property
     def model(self):
         """
         The full Uproot deserialization model for the data
@@ -689,28 +692,28 @@ def model(self):
         """
         return self._model
 
-    @property
+    @ property
     def branch(self):
         """
         The ``TBranch`` from which the data are drawn.
         """
         return self._branch
 
-    @property
+    @ property
     def context(self):
         """
         Auxiliary data used in deserialization (dict).
         """
         return self._context
 
-    @property
+    @ property
     def byte_offsets(self):
         """
         Index where each entry of the ``byte_content`` starts and stops.
         """
         return self._byte_offsets
 
-    @property
+    @ property
     def byte_content(self):
         """
         Raw but uncompressed data, directly from
@@ -718,7 +721,7 @@ def byte_content(self):
         """
         return self._byte_content
 
-    @property
+    @ property
     def cursor_offset(self):
         """
         Correction to the integer keys used in
@@ -820,21 +823,21 @@ def __init__(self, interpretation, array):
                 "non-numpy temporary arrays require changes in library interpretations"
             )
 
-    @property
+    @ property
     def interpretation(self):
         """
         The interpretation that produced this array.
         """
         return self._interpretation
 
-    @property
+    @ property
     def array(self):
         """
         Underlying array object, which may be NumPy or another temporary array.
         """
         return self._array
 
-    @property
+    @ property
     def shape(self):
         assert self._array.shape == (len(self),) + self._interpretation.inner_shape
         return self._array.shape

From 92b0b08552fa6f5797fb8b373ee8b660388e9e58 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Mon, 18 Jul 2022 13:50:52 -0500
Subject: [PATCH 11/41] STL MAP works now!

---
 src/uproot/containers.py                      | 46 +++++++++++++------
 src/uproot/model.py                           |  1 -
 src/uproot/streamers.py                       |  2 -
 .../test_0637-setup-tests-for-AwkwardForth.py |  4 +-
 4 files changed, 36 insertions(+), 17 deletions(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 3de5d230b..fb59f1603 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -89,12 +89,20 @@ def _read_nested(
     else:
         values = numpy.empty(length, dtype=_stl_object_type)
         if isinstance(model, AsContainer):
+            if helper_obj.is_forth():
+                temp_count = context["forth"].gen.count_obj
             for i in range(length):
+                if helper_obj.is_forth():
+                    context["forth"].gen.count_obj = temp_count
                 values[i] = model.read(
                     chunk, cursor, context, file, selffile, parent, header=header
                 )
         else:
+            if helper_obj.is_forth():
+                temp_count = context["forth"].gen.count_obj
             for i in range(length):
+                if helper_obj.is_forth():
+                    context["forth"].gen.count_obj = temp_count
                 values[i] = model.read(chunk, cursor, context, file, selffile, parent)
         return values
 
@@ -469,7 +477,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             keys = forth_obj.get_keys(2)
             offsets_num = keys[0]
             data_num = keys[1]
-
         if self._header and header:
             start_cursor = cursor.copy()
             (
@@ -480,13 +487,13 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 temp_jump = cursor._index - start_cursor._index
                 if temp_jump != 0:
-                    helper_obj.add_to_pre(f"{temp_jump} stream skip")
+                    helper_obj.add_to_pre(f"{temp_jump} stream skip\n")
 
         if self._length_bytes == "1-5":
             out = cursor.string(chunk, context)
             if helper_obj.is_forth():
                 helper_obj.add_to_pre(
-                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data \n"
+                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
                 )
         elif self._length_bytes == "4":
             length = cursor.field(chunk, _stl_container_size, context)
@@ -818,7 +825,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     )
                     if helper_obj.is_forth():
                         forth_obj.go_to(temp["content"])
-                        # print(forth_obj._prev_node, "UOUOUO")
 
                 # if helper_obj.is_forth():
                 #    forth_obj.go_to(temp)
@@ -1410,16 +1416,24 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             cursor.skip(6)
             if helper_obj.is_forth():
                 temp_jump = cursor._index - start_cursor._index
-                helper_obj.add_to_pre(f"{temp_jump+6} stream skip\n")
+                helper_obj.add_to_pre(f"{temp_jump} stream skip\n")
         else:
             is_memberwise = False
-
+        #raise NotImplementedError
         if is_memberwise:
             length = cursor.field(chunk, _stl_container_size, context)
-
+            if helper_obj.is_forth():
+                key = forth_obj.get_keys(1)
+                form_key = f"part0-node{key}-offsets"
+                helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
+                helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
+                helper_obj.add_to_pre(f"stream !I-> stack\n dup part0-node{key}-offsets +<- stack\n")
             if _has_nested_header(self._keys) and header:
-                helper_obj.add_to_pre(f"6 stream skip\n")
+                if helper_obj.is_forth():
+                    helper_obj.add_to_pre("6 stream skip\n")
                 cursor.skip(6)
+            if helper_obj.is_forth():
+                helper_obj.add_to_pre("dup 0 do\n")
             if helper_obj.is_forth():
                 temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
             keys = _read_nested(
@@ -1436,11 +1450,15 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 keys_form = forth_obj.top_form
                 keys_model = forth_obj._prev_node
-                print(keys_form, keys_model, "OOKKOKOKOk")
-                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
+                temp_node1, temp_node_top1, temp_form1, temp_form_top1 = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
+            if helper_obj.is_forth():
+                keys_model["content"]["post_code"].append("loop\n")
             if _has_nested_header(self._values) and header:
-                keys_model["content"]["post_code"].append(f"6 stream skip\n")
                 cursor.skip(6)
+                if helper_obj.is_forth():
+                    keys_model["content"]["post_code"].append("6 stream skip\n")
+            if helper_obj.is_forth():
+                keys_model["content"]["post_code"].append("0 do\n")
             values = _read_nested(
                 self._values,
                 length,
@@ -1455,12 +1473,14 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 values_form = forth_obj.top_form
                 values_model = forth_obj._prev_node
+                values_model["content"]["post_code"].append("loop \n")
                 forth_obj.awkward_model = temp_node
                 forth_obj._prev_node = temp_node_top
                 forth_obj.aform = temp_form
                 forth_obj.top_form = temp_form_top
-                aform = {"class": "RecordArray", "contents": {"key": keys_form, "value": values_form}}
+                aform = {"class": "ListOffsetArray", "offsets": "i64", "content": {"class": "RecordArray", "contents": [keys_form, values_form], "parameters": {"__array__": "sorted_map"}, }, "form_key": f"node{key}"}
                 if forth_obj.should_add_form():
+                    forth_obj.add_form_key(form_key)
                     forth_obj.add_form(aform)
                 temp = forth_obj.add_node(
                     f"nodeMap",
@@ -1470,7 +1490,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     helper_obj.get_header(),
                     "i64",
                     1,
-                    [keys_model, values_model],
+                    [keys_model["content"], values_model["content"]],
                 )
             out = STLMap(keys, values)
 
diff --git a/src/uproot/model.py b/src/uproot/model.py
index b733cbc62..82ce7d1bc 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -1341,7 +1341,6 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
 
         # versioned_cls.read starts with numbytes_version again because move=False (above)
         # if helper_obj.is_forth():
-        # print(versioned_cls)
         temp_var = cls.postprocess(
             versioned_cls.read(
                 chunk, cursor, context, file, selffile, parent, concrete=concrete
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 9e826e20f..2b18656d2 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -907,8 +907,6 @@ def class_code(
             fields[-1].append(self.name)
             formats[-1].append(_ftype_to_struct(self.fType))
             formats_memberwise.append(_ftype_to_struct(self.fType))
-
-            # print("AHAHAHA")
             if (
                 i + 1 == len(elements)
                 or not isinstance(elements[i + 1], Model_TStreamerBasicType)
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 88bd486ae..83ed3cc74 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -13,7 +13,9 @@ def test_00():
     with uproot.open(skhep_testdata.data_path("issue367b.root")) as file:
         branch = file["tree/weights"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, entry_stop=2)
+        assert py[0]['0'][0] == 'expskin_FluxUnisim'
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7fbc4c1325e0>
 
 

From 7370cca6406752135833c39ac7f7d18a83ec4307 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 19 Jul 2022 14:43:12 -0500
Subject: [PATCH 12/41] TLorentzVector works!

---
 src/uproot/_awkward_forth.py                  | 20 ++++++--
 src/uproot/containers.py                      | 35 ++++++++++++--
 src/uproot/interpretation/objects.py          | 31 ++++++------
 src/uproot/model.py                           |  2 +
 src/uproot/models/TObject.py                  |  2 +-
 src/uproot/streamers.py                       | 47 +++++++++++++------
 .../test_0637-setup-tests-for-AwkwardForth.py |  7 ++-
 7 files changed, 103 insertions(+), 41 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index d2df8b490..4a898d47f 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -62,10 +62,10 @@ def should_add_form(self):
     def get_temp_form_top(self):
         return self.top_dummy
 
-    def set_dummy_none(self):
-        self.top_dummy = None
-        self.dummy_aform = None
-        self.dummy_form = False
+    def set_dummy_none(self, temp_top, temp_form, temp_flag):
+        self.top_dummy = temp_top
+        self.dummy_aform = temp_form
+        self.dummy_form = temp_flag
 
     def add_form(self, aform, conlen=0):
         if self.dummy_form:
@@ -138,6 +138,18 @@ def get_current_node(self):
     def get_ref(self, index):
         return self.ref_list[index]
 
+    def enable_adding(self):
+        if "content" in self.awkward_model.keys():
+            if self.awkward_model["content"] == None:
+                self.awkward_model["content"] = {}
+
+    def add_node_whole(self, new_node, ref_latest):
+        if "content" in self.awkward_model.keys():
+            self.awkward_model["content"] = new_node
+        else:
+            self.awkward_model["contents"].append(new_node)
+        self.awkward_model = ref_latest
+
     def add_node(
         self, name, precode, postcode, initcode, headercode, dtype, num_child, content
     ):
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index fb59f1603..c831c60a2 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1419,7 +1419,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 helper_obj.add_to_pre(f"{temp_jump} stream skip\n")
         else:
             is_memberwise = False
-        #raise NotImplementedError
+        # raise NotImplementedError
         if is_memberwise:
             length = cursor.field(chunk, _stl_container_size, context)
             if helper_obj.is_forth():
@@ -1427,7 +1427,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 form_key = f"part0-node{key}-offsets"
                 helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
                 helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
-                helper_obj.add_to_pre(f"stream !I-> stack\n dup part0-node{key}-offsets +<- stack\n")
+                helper_obj.add_to_pre(
+                    f"stream !I-> stack\n dup part0-node{key}-offsets +<- stack\n"
+                )
             if _has_nested_header(self._keys) and header:
                 if helper_obj.is_forth():
                     helper_obj.add_to_pre("6 stream skip\n")
@@ -1435,7 +1437,14 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 helper_obj.add_to_pre("dup 0 do\n")
             if helper_obj.is_forth():
-                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
+                (
+                    temp_node,
+                    temp_node_top,
+                    temp_form,
+                    temp_form_top,
+                ) = forth_obj.replace_form_and_model(
+                    None, {"name": "TOP", "content": {}}
+                )
             keys = _read_nested(
                 self._keys,
                 length,
@@ -1450,7 +1459,14 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 keys_form = forth_obj.top_form
                 keys_model = forth_obj._prev_node
-                temp_node1, temp_node_top1, temp_form1, temp_form_top1 = forth_obj.replace_form_and_model(None, {"name": "TOP", "content": {}})
+                (
+                    temp_node1,
+                    temp_node_top1,
+                    temp_form1,
+                    temp_form_top1,
+                ) = forth_obj.replace_form_and_model(
+                    None, {"name": "TOP", "content": {}}
+                )
             if helper_obj.is_forth():
                 keys_model["content"]["post_code"].append("loop\n")
             if _has_nested_header(self._values) and header:
@@ -1478,7 +1494,16 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 forth_obj._prev_node = temp_node_top
                 forth_obj.aform = temp_form
                 forth_obj.top_form = temp_form_top
-                aform = {"class": "ListOffsetArray", "offsets": "i64", "content": {"class": "RecordArray", "contents": [keys_form, values_form], "parameters": {"__array__": "sorted_map"}, }, "form_key": f"node{key}"}
+                aform = {
+                    "class": "ListOffsetArray",
+                    "offsets": "i64",
+                    "content": {
+                        "class": "RecordArray",
+                        "contents": [keys_form, values_form],
+                        "parameters": {"__array__": "sorted_map"},
+                    },
+                    "form_key": f"node{key}",
+                }
                 if forth_obj.should_add_form():
                     forth_obj.add_form_key(form_key)
                     forth_obj.add_form(aform)
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 14d5bed5a..002d87a6d 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -267,6 +267,7 @@ def basket_array_forth(
                 container[elem] = context["forth"].vm.output_Index64(elem)
             else:
                 container[elem] = context["forth"].vm.output_NumpyArray(elem)
+        print(self._form)
         output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
 
         self.hook_after_basket_array(
@@ -561,7 +562,7 @@ def __init__(self, model, members, original=None):
         self._original = original
         super().__init__(_unravel_members(members))
 
-    @ property
+    @property
     def model(self):
         """
         The full Uproot deserialization model for the data
@@ -569,7 +570,7 @@ def model(self):
         """
         return self._model
 
-    @ property
+    @property
     def members(self):
         """
         The name (str) and fixed-width
@@ -578,7 +579,7 @@ def members(self):
         """
         return self._members
 
-    @ property
+    @property
     def original(self):
         """
         If not None, this was the original
@@ -599,7 +600,7 @@ def __repr__(self):
     def __eq__(self, other):
         return isinstance(other, AsStridedObjects) and self._model == other._model
 
-    @ property
+    @property
     def numpy_dtype(self):
         return numpy.dtype(object)
 
@@ -622,11 +623,11 @@ def awkward_form(
             form = awkward.forms.RegularForm(form, dim)
         return form
 
-    @ property
+    @property
     def cache_key(self):
         return f"{type(self).__name__}({self._model.__name__})"
 
-    @ property
+    @property
     def typename(self):
         return uproot.model.classname_decode(self._model.__name__)[0]
 
@@ -702,7 +703,7 @@ def __repr__(self):
             self._cursor_offset,
         )
 
-    @ property
+    @property
     def model(self):
         """
         The full Uproot deserialization model for the data
@@ -710,28 +711,28 @@ def model(self):
         """
         return self._model
 
-    @ property
+    @property
     def branch(self):
         """
         The ``TBranch`` from which the data are drawn.
         """
         return self._branch
 
-    @ property
+    @property
     def context(self):
         """
         Auxiliary data used in deserialization (dict).
         """
         return self._context
 
-    @ property
+    @property
     def byte_offsets(self):
         """
         Index where each entry of the ``byte_content`` starts and stops.
         """
         return self._byte_offsets
 
-    @ property
+    @property
     def byte_content(self):
         """
         Raw but uncompressed data, directly from
@@ -739,7 +740,7 @@ def byte_content(self):
         """
         return self._byte_content
 
-    @ property
+    @property
     def cursor_offset(self):
         """
         Correction to the integer keys used in
@@ -841,21 +842,21 @@ def __init__(self, interpretation, array):
                 "non-numpy temporary arrays require changes in library interpretations"
             )
 
-    @ property
+    @property
     def interpretation(self):
         """
         The interpretation that produced this array.
         """
         return self._interpretation
 
-    @ property
+    @property
     def array(self):
         """
         Underlying array object, which may be NumPy or another temporary array.
         """
         return self._array
 
-    @ property
+    @property
     def shape(self):
         assert self._array.shape == (len(self),) + self._interpretation.inner_shape
         return self._array.shape
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 82ce7d1bc..7d29d2d24 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -824,6 +824,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
             if helper_obj.is_forth():
+                #raise NotImplementedError
                 forth_obj.add_node(
                     "model828",
                     helper_obj.get_pre(),
@@ -1308,6 +1309,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         versioned_cls = cls.class_of_version(version)
         bytes_skipped = cursor._index - start_index
         if helper_obj.is_forth():
+            #raise NotImplementedError
             helper_obj.add_to_pre(f"{bytes_skipped} stream skip \n")
             forth_obj.add_node(
                 "Model1319",
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index d56523343..739d9dce4 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -53,7 +53,7 @@ def read_members(self, chunk, cursor, context, file):
             skip_length = cursor._index - start_index
             helper_obj.add_to_pre(f"{skip_length} stream skip \n")
             if forth_obj.should_add_form():
-                temp_aform = '{"class": "RecordArray", "contents":{}, "parameters": {"__record__": "TObject"}}'
+                temp_aform = '{"class": "RecordArray", "contents":[], "parameters": {"__record__": "TObject"}}'
                 forth_obj.add_form(json.loads(temp_aform))
             forth_obj.add_node(
                 "TObjext",
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 2b18656d2..10819f14e 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -273,7 +273,7 @@ def class_code(self):
                 class_flags,
             )
         read_members.append(
-            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}})\n            temp = forth_obj.add_node(f\"node{{forth_obj.get_keys()}}\",helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)"
+            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}})\n            temp = forth_obj.add_node('dynamic',helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)"
         )
         if len(read_members) == 1:
             # untested as of PR #629
@@ -684,15 +684,18 @@ def class_code(
         read_member_n.append(f"        if member_index == {i}:")
 
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
+        # raise NotImplementedError
         read_members.append(
-            "        if helper_obj.is_forth():\n            forth_obj.dummy_form = True"
+            "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )
         read_members.append(
             f"        self._bases.append(c({self.name!r}, {self.base_version!r}).read(chunk, cursor, context, file, self._file, self._parent, concrete=self.concrete))"
         )
-        read_members.append(
-            "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none()\n"
-        )
+        read_members.append("        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+                            )
+        # read_members.append(
+        #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
+        # )
         read_member_n.append("    " + read_members[-1])
         strided_interpretation.append(
             f"        members.extend(file.class_named({self.name!r}, {self.base_version!r}).strided_interpretation(file, header, tobject_header, breadcrumbs).members)"
@@ -912,13 +915,30 @@ def class_code(
                 or not isinstance(elements[i + 1], Model_TStreamerBasicType)
                 or elements[i + 1].array_length != 0
             ):
-
                 if len(fields[-1]) == 1:
                     # @aryan26roy: test_0637's 01,02,29,38,44,56
-
+                    read_members.append("        if helper_obj.is_forth():")
+                    read_members.append("                key = forth_obj.get_keys(1)")
+                    read_members.append(
+                        '                form_key = f"part0-node{key}-data"'
+                    )
+                    read_members.append(
+                        f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[-1][0])}\\n")'
+                    )
+                    read_members.append(
+                        f'                content["{fields[-1][0]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
+                    )
+                    read_members.append(
+                        f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> part0-node{{key}}-data\\n")'
+                    )
+                    read_members.append(
+                        "                if forth_obj.should_add_form():"
+                    )
                     read_members.append(
-                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)"
+                        "                        forth_obj.add_form_key(form_key)"
                     )
+                    read_members.append(f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)"
+                                        )
 
                 else:
                     read_members.append("        if helper_obj.is_forth():")
@@ -959,7 +979,6 @@ def class_code(
 
         else:
             # @aryan26roy: test_0637's 44,56
-
             read_members.append(
                 f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)"
             )
@@ -1091,7 +1110,7 @@ class Model_TStreamerLoop(Model_TStreamerElement):
     instead of creating a behavior class to mix in functionality.
     """
 
-    @property
+    @ property
     def count_name(self):
         """
         The count name (``fCountName``) of this ``TStreamerLoop``.
@@ -1180,14 +1199,14 @@ class Model_TStreamerSTL(Model_TStreamerElement):
     instead of creating a behavior class to mix in functionality.
     """
 
-    @property
+    @ property
     def stl_type(self):
         """
         The STL type code (``fSTLtype``) of this ``TStreamerSTL``.
         """
         return self._members["fSTLtype"]
 
-    @property
+    @ property
     def fCtype(self):
         """
         The type code (``fCtype``) of this ``TStreamerSTL``.
@@ -1458,9 +1477,9 @@ def class_code(
         # @aryan26roy: test_0637's 01,02,29,45,46,49,50,56
 
         read_members.append(
-            f"        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)"
+            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                temp_var = forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content['{self.name}'] = temp_form1\n                forth_obj.enable_adding()"
         )
-        read_member_n.append("    " + read_members[-1])
+        read_member_n.append("    " + f"        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)")
 
         strided_interpretation.append(
             f"        members.append(({self.name!r}, file.class_named({self.typename.rstrip('*')!r}, 'max').strided_interpretation(file, header, tobject_header, breadcrumbs)))"
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 83ed3cc74..0ab878fbf 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -15,7 +15,7 @@ def test_00():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, entry_stop=2)
-        assert py[0]['0'][0] == 'expskin_FluxUnisim'
+        assert py[0]["0"][0] == "expskin_FluxUnisim"
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7fbc4c1325e0>
 
 
@@ -23,7 +23,10 @@ def test_01():
     with uproot.open(skhep_testdata.data_path("uproot-delphes-pr442.root")) as file:
         branch = file["Delphes/GenJet/GenJet.SoftDroppedSubJet1"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0]['1'] == pytest.approx(84.56447925448748)
+        assert py[0][0]['0']['fZ'] == pytest.approx(-81.600465)
         # py[-1] == array([<TLorentzVector (version 4) at 0x7fac4bb8d2b0>, <TLorentzVector (version 4) at 0x7fac4bb8d2e0>], dtype=object)
 
 

From 3e4f7c8937e08f9d6b196bc6ba00e564f714da94 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Wed, 20 Jul 2022 09:13:54 -0500
Subject: [PATCH 13/41] generalized forth generation in streamers.py

---
 src/uproot/_awkward_forth.py                  | 11 +++++---
 src/uproot/containers.py                      | 25 +++++++++++++------
 src/uproot/interpretation/objects.py          |  3 +--
 src/uproot/model.py                           |  4 +--
 src/uproot/streamers.py                       | 23 ++++++++++-------
 .../test_0637-setup-tests-for-AwkwardForth.py |  9 ++++---
 6 files changed, 49 insertions(+), 26 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 4a898d47f..f0f2ba318 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -67,7 +67,7 @@ def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.dummy_aform = temp_form
         self.dummy_form = temp_flag
 
-    def add_form(self, aform, conlen=0):
+    def add_form(self, aform, conlen=0, traverse=1):
         if self.dummy_form:
             if self.dummy_aform is None:
                 self.dummy_aform = aform
@@ -91,15 +91,20 @@ def add_form(self, aform, conlen=0):
             if self.aform is None:
                 self.aform = aform
                 self.top_form = self.aform
+                if traverse == 2:
+                    self.aform = self.aform["content"]
             else:
                 if "content" in self.aform.keys():
                     if self.aform["content"] == "NULL":
                         self.aform["content"] = aform
-                        self.aform = self.aform["content"]
+                        if traverse == 2:
+                            self.aform = self.aform["content"]["content"]
+                        else:
+                            self.aform = self.aform["content"]
                     else:
                         raise ValueError
                 elif "contents" in self.aform.keys():
-                    if len(self.aform["content"]) == conlen:
+                    if len(self.aform["contents"]) == conlen:
                         return
                     else:
                         raise ValueError
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index c831c60a2..e3ecb4174 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -791,17 +791,26 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     helper_obj.add_to_pre(
                         "0 bytestops I-> stack \nbegin\ndup stream pos <>\nwhile\nswap 1 + swap\n"
                     )
-                    helper_obj.add_to_post(
-                        f"repeat\nswap part0-node{offsets_num}-offsets +<- stack drop\n"
-                    )
+                    if len(self.inner_shape) > 0:
+                        helper_obj.add_to_post(
+                            f"repeat\nswap {self.inner_shape[0]} / part0-node{offsets_num}-offsets +<- stack drop\n"
+                        )
+                    else:
+                        helper_obj.add_to_post(
+                            f"repeat\nswap part0-node{offsets_num}-offsets +<- stack drop\n"
+                        )
                     if forth_obj.should_add_form():
                         forth_obj.add_form_key(form_key)
                         if self._header:
                             temp_bool = "true"
                         else:
                             temp_bool = "false"
-                        temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": "NULL", "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{offsets_num}"}}'
-                        forth_obj.add_form(json.loads(temp_aform))
+                        if len(self.inner_shape) > 0:
+                            temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": {{"class": "RegularArray", "content": "NULL", "size": {self.inner_shape[0]}}}, "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{offsets_num}"}}'
+                            forth_obj.add_form(json.loads(temp_aform), traverse=2)
+                        else:
+                            temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": "NULL", "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{offsets_num}"}}'
+                            forth_obj.add_form(json.loads(temp_aform))
                     temp = forth_obj.add_node(
                         f"node{offsets_num}",
                         helper_obj.get_pre(),
@@ -816,8 +825,11 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 if cursor.index >= chunk.stop and helper_obj.is_forth():
                     forth_obj.var_set = True
                 out = []
-
+                if helper_obj.is_forth():
+                    temp_count = forth_obj.count_obj
                 while cursor.index < chunk.stop:
+                    if helper_obj.is_forth():
+                        forth_obj.count_obj = temp_count
                     out.append(
                         self._values.read(
                             chunk, cursor, context, file, selffile, parent
@@ -946,7 +958,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             )
 
         out = ROOTRVec(values)
-
         if self._header and header:
             uproot.deserialization.numbytes_check(
                 chunk,
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 002d87a6d..c36ee5a44 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -267,7 +267,6 @@ def basket_array_forth(
                 container[elem] = context["forth"].vm.output_Index64(elem)
             else:
                 container[elem] = context["forth"].vm.output_NumpyArray(elem)
-        print(self._form)
         output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
 
         self.hook_after_basket_array(
@@ -303,7 +302,7 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 branch.file.detached,
                 branch,
             )
-
+            # print(output, "ERERERER")
             if not context["forth"].gen.var_set:
                 context["forth"].prereaddone = True
                 self._assemble_forth(
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 7d29d2d24..5e6d7c8fd 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -824,7 +824,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
             if helper_obj.is_forth():
-                #raise NotImplementedError
+                # raise NotImplementedError
                 forth_obj.add_node(
                     "model828",
                     helper_obj.get_pre(),
@@ -1309,7 +1309,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         versioned_cls = cls.class_of_version(version)
         bytes_skipped = cursor._index - start_index
         if helper_obj.is_forth():
-            #raise NotImplementedError
+            # raise NotImplementedError
             helper_obj.add_to_pre(f"{bytes_skipped} stream skip \n")
             forth_obj.add_node(
                 "Model1319",
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 10819f14e..dea554ebb 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -273,7 +273,7 @@ def class_code(self):
                 class_flags,
             )
         read_members.append(
-            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}})\n            temp = forth_obj.add_node('dynamic',helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)"
+            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}}, len(content))\n            temp = forth_obj.add_node('dynamic',helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)"
         )
         if len(read_members) == 1:
             # untested as of PR #629
@@ -691,8 +691,9 @@ def class_code(
         read_members.append(
             f"        self._bases.append(c({self.name!r}, {self.base_version!r}).read(chunk, cursor, context, file, self._file, self._parent, concrete=self.concrete))"
         )
-        read_members.append("        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
-                            )
+        read_members.append(
+            "        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+        )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
         # )
@@ -937,8 +938,9 @@ def class_code(
                     read_members.append(
                         "                        forth_obj.add_form_key(form_key)"
                     )
-                    read_members.append(f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)"
-                                        )
+                    read_members.append(
+                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)"
+                    )
 
                 else:
                     read_members.append("        if helper_obj.is_forth():")
@@ -1110,7 +1112,7 @@ class Model_TStreamerLoop(Model_TStreamerElement):
     instead of creating a behavior class to mix in functionality.
     """
 
-    @ property
+    @property
     def count_name(self):
         """
         The count name (``fCountName``) of this ``TStreamerLoop``.
@@ -1199,14 +1201,14 @@ class Model_TStreamerSTL(Model_TStreamerElement):
     instead of creating a behavior class to mix in functionality.
     """
 
-    @ property
+    @property
     def stl_type(self):
         """
         The STL type code (``fSTLtype``) of this ``TStreamerSTL``.
         """
         return self._members["fSTLtype"]
 
-    @ property
+    @property
     def fCtype(self):
         """
         The type code (``fCtype``) of this ``TStreamerSTL``.
@@ -1479,7 +1481,10 @@ def class_code(
         read_members.append(
             f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                temp_var = forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content['{self.name}'] = temp_form1\n                forth_obj.enable_adding()"
         )
-        read_member_n.append("    " + f"        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)")
+        read_member_n.append(
+            "    "
+            + f"        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)"
+        )
 
         strided_interpretation.append(
             f"        members.append(({self.name!r}, file.class_named({self.typename.rstrip('*')!r}, 'max').strided_interpretation(file, header, tobject_header, breadcrumbs)))"
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 0ab878fbf..a72dc2c81 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -25,8 +25,8 @@ def test_01():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['1'] == pytest.approx(84.56447925448748)
-        assert py[0][0]['0']['fZ'] == pytest.approx(-81.600465)
+        assert py[0][0]["1"] == pytest.approx(84.56447925448748)
+        assert py[0][0]["0"]["fZ"] == pytest.approx(-81.600465)
         # py[-1] == array([<TLorentzVector (version 4) at 0x7fac4bb8d2b0>, <TLorentzVector (version 4) at 0x7fac4bb8d2e0>], dtype=object)
 
 
@@ -34,7 +34,10 @@ def test_02():
     with uproot.open(skhep_testdata.data_path("uproot-delphes-pr442.root")) as file:
         branch = file["Delphes/GenJet/GenJet.TrimmedP4[5]"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak")
+        assert py[0][0][0]["fE"] == 0
+        assert py[-1][8][3]["fE"] == 0
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7fbfea1fa3d0>, <TLorentzVector (version 4) at 0x7fbfea1fa370>, <TLorentzVector (version 4) at 0x7fbfea1fa310>, <TLorentzVector (version 4) at 0x7fbfea1fa2b0>, <TLorentzVector (version 4) at 0x7fbfea1fa250>], [<TLorentzVector (version 4) at 0x7fbfea1fa1f0>, <TLorentzVector (version 4) at 0x7fbfea1fa190>, <TLorentzVector (version 4) at 0x7fbfea1fa130>, <TLorentzVector (version 4) at 0x7fbfea1fa0d0>, <TLorentzVector (version 4) at 0x7fbfea1fa070>]], dtype=object)
 
 

From 180b0c38c32f7c0203025189104f2fb18089fc1f Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Thu, 21 Jul 2022 16:54:02 -0500
Subject: [PATCH 14/41] added more bug fixes

---
 src/uproot/_awkward_forth.py                  |  10 +
 src/uproot/containers.py                      | 114 +++++++++-
 src/uproot/interpretation/objects.py          |   2 +-
 src/uproot/model.py                           |   4 +-
 src/uproot/streamers.py                       |  11 +-
 .../test_0637-setup-tests-for-AwkwardForth.py | 215 +++++++++++++-----
 6 files changed, 290 insertions(+), 66 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index f0f2ba318..7c4c0b888 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -11,6 +11,9 @@
     np.dtype(">f8"): "d",
     np.dtype(">i8"): "q",
     np.dtype(">i4"): "i",
+    np.dtype(">i2"): "h",
+    np.dtype(">u4"): "I",
+    np.dtype("bool"): "?",
 }
 
 
@@ -149,6 +152,7 @@ def enable_adding(self):
                 self.awkward_model["content"] = {}
 
     def add_node_whole(self, new_node, ref_latest):
+        print(self._prev_node, '=========================')
         if "content" in self.awkward_model.keys():
             self.awkward_model["content"] = new_node
         else:
@@ -302,3 +306,9 @@ def convert_dtype(format):
         return "int64"
     elif format == "i":
         return "int32"
+    elif format == "I":
+        return "uint32"
+    elif format == "?":
+        return "bool"
+    elif format == "h":
+        return "int16"
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index e3ecb4174..007e381f1 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -55,6 +55,7 @@ def _read_nested(
 
     if isinstance(model, numpy.dtype):
         symbol = uproot._awkward_forth.symbol_dict.get(model)
+
         if symbol is None and helper_obj.is_forth():
             raise TypeError("Cannot be awkward")
         if helper_obj.is_forth():
@@ -473,6 +474,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
         if helper_obj.is_forth():
+            #raise NotImplementedError
             forth_obj = helper_obj.get_gen_obj()
             keys = forth_obj.get_keys(2)
             offsets_num = keys[0]
@@ -500,7 +502,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             out = cursor.string_with_length(chunk, context, length)
             if helper_obj.is_forth():
                 helper_obj.add_to_pre(
-                    f"stream I-> stack dup part0-node{offsets_num}-offsets <- stack stream #B-> part0-node{data_num}-data\n"
+                    f"stream !I-> stack dup part0-node{offsets_num}-offsets +<- stack stream #B-> part0-node{data_num}-data\n"
                 )
         else:
             raise AssertionError(repr(self._length_bytes))
@@ -522,7 +524,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_header = "true"
                 else:
                     temp_header = "false"
-                temp_aform = f'{{"class": "ListOffsetArray", "offsets": "i64", "content": {{"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": false, "parameters": {{"__array__": "char"}}, "form_key": "node{data_num}"}}, "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_header}}}}}, "form_key": "node{offsets_num}"}}'
+                temp_aform = f'{{"class": "ListOffsetArray", "offsets": "i64", "content": {{"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": false, "parameters": {{"__array__": "char"}}, "form_key": "node{data_num}"}}, "has_identifier": false, "parameters": {{"__array__": "string" ,"uproot": {{"as": "vector", "header": {temp_header}}}}}, "form_key": "node{offsets_num}"}}'
                 forth_obj.add_form(json.loads(temp_aform))
 
                 form_keys = [
@@ -747,13 +749,63 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 return remainder.view(self._values).reshape(-1, *self.inner_shape)
 
             else:
+                if helper_obj.is_forth():
+                    helper_obj.add_to_header(
+                        f"output part0-node{offsets_num}-offsets int64\n"
+                    )
+                    form_key = f"part0-node{offsets_num}-offsets"
+                    helper_obj.add_to_init(
+                        f"0 part0-node{offsets_num}-offsets <- stack\n"
+                    )
+                    helper_obj.add_to_pre(
+                        "0 bytestops I-> stack \nbegin\ndup stream pos <>\nwhile\nswap 1 + swap\n"
+                    )
+                    if len(self.inner_shape) > 0:
+                        helper_obj.add_to_post(
+                            f"repeat\nswap {self.inner_shape[0]} / part0-node{offsets_num}-offsets +<- stack drop\n"
+                        )
+                    else:
+                        helper_obj.add_to_post(
+                            f"repeat\nswap part0-node{offsets_num}-offsets +<- stack drop\n"
+                        )
+                    if forth_obj.should_add_form():
+                        forth_obj.add_form_key(form_key)
+                        if self._header:
+                            temp_bool = "true"
+                        else:
+                            temp_bool = "false"
+                        if len(self.inner_shape) > 0:
+                            temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": {{"class": "RegularArray", "content": "NULL", "size": {self.inner_shape[0]}}}, "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{offsets_num}"}}'
+                            forth_obj.add_form(json.loads(temp_aform), traverse=2)
+                        else:
+                            temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": "NULL", "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{offsets_num}"}}'
+                            forth_obj.add_form(json.loads(temp_aform))
+                    temp = forth_obj.add_node(
+                        f"node{offsets_num}",
+                        helper_obj.get_pre(),
+                        helper_obj.get_post(),
+                        helper_obj.get_init(),
+                        helper_obj.get_header(),
+                        "i64",
+                        1,
+                        {},
+                    )
+
+                if cursor.index >= chunk.stop and helper_obj.is_forth():
+                    forth_obj.var_set = True
                 out = []
+                if helper_obj.is_forth():
+                    temp_count = forth_obj.count_obj
                 while cursor.displacement(start_cursor) < num_bytes:
+                    if helper_obj.is_forth():
+                        forth_obj.count_obj = temp_count
                     out.append(
                         self._values.read(
                             chunk, cursor, context, file, selffile, parent
                         )
                     )
+                    if helper_obj.is_forth():
+                        forth_obj.go_to(temp["content"])
 
                 if self._header and header:
                     uproot.deserialization.numbytes_check(
@@ -1125,7 +1177,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
             if helper_obj.is_forth():
                 key = forth_obj.get_keys(1)
-
                 form_key = f"part0-node{key}-offsets"
                 helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
                 helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
@@ -1258,6 +1309,11 @@ def awkward_form(self, file, context):
     def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         # @aryan26roy: test_0637's 62,63,64,65,69,70,74,75,77
 
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+
         if self._header and header:
             start_cursor = cursor.copy()
             (
@@ -1265,6 +1321,10 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 instance_version,
                 is_memberwise,
             ) = uproot.deserialization.numbytes_version(chunk, cursor, context)
+            if helper_obj.is_forth():
+                temp_jump = cursor._index - start_cursor._index
+                if temp_jump != 0:
+                    helper_obj.add_to_pre(f"{temp_jump} stream skip\n")
         else:
             is_memberwise = False
 
@@ -1277,10 +1337,44 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             )
 
         length = cursor.field(chunk, _stl_container_size, context)
+        if helper_obj.is_forth():
+            key = forth_obj.get_keys(1)
 
+            form_key = f"part0-node{key}-offsets"
+            helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
+            helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
+            helper_obj.add_to_pre(
+                f"stream !I-> stack\ndup part0-node{key}-offsets +<- stack\n"
+            )
+            # helper_obj.add_to_post("loop\n")
+            if forth_obj.should_add_form():
+                forth_obj.add_form_key(form_key)
+                if self._header:
+                    temp_bool = "true"
+                else:
+                    temp_bool = "false"
+                temp_aform = f'{{ "class":"ListOffsetArray", "offsets":"i64", "content": "NULL", "has_identifier": false, "parameters": {{"__array__": "set","uproot": {{"as": "set", "header": {temp_bool}}}}}, "form_key": "node{key}"}}'
+                forth_obj.add_form(json.loads(temp_aform))
+            if not isinstance(self._keys, numpy.dtype):
+                helper_obj.add_to_pre("0 do\n")
+                helper_obj.add_to_post("loop\n")
+            temp = forth_obj.add_node(
+                f"node{key}",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                1,
+                {},
+            )
+        if length == 0 and helper_obj.is_forth():
+            forth_obj.var_set = True
         keys = _read_nested(
             self._keys, length, chunk, cursor, context, file, selffile, parent
         )
+        if helper_obj.is_forth():
+            forth_obj.go_to(temp)
         out = STLSet(keys)
 
         if self._header and header:
@@ -1446,7 +1540,10 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     helper_obj.add_to_pre("6 stream skip\n")
                 cursor.skip(6)
             if helper_obj.is_forth():
-                helper_obj.add_to_pre("dup 0 do\n")
+                if not isinstance(self._keys, numpy.dtype):
+                    helper_obj.add_to_pre("dup 0 do\n")
+                else:
+                    helper_obj.add_to_pre("dup\n")
             if helper_obj.is_forth():
                 (
                     temp_node,
@@ -1479,13 +1576,15 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     None, {"name": "TOP", "content": {}}
                 )
             if helper_obj.is_forth():
-                keys_model["content"]["post_code"].append("loop\n")
+                if not isinstance(self._keys, numpy.dtype):
+                    keys_model["content"]["post_code"].append("loop\n")
             if _has_nested_header(self._values) and header:
                 cursor.skip(6)
                 if helper_obj.is_forth():
                     keys_model["content"]["post_code"].append("6 stream skip\n")
             if helper_obj.is_forth():
-                keys_model["content"]["post_code"].append("0 do\n")
+                if not isinstance(self._values, numpy.dtype):
+                    keys_model["content"]["post_code"].append("0 do\n")
             values = _read_nested(
                 self._values,
                 length,
@@ -1500,7 +1599,8 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 values_form = forth_obj.top_form
                 values_model = forth_obj._prev_node
-                values_model["content"]["post_code"].append("loop \n")
+                if not isinstance(self._values, numpy.dtype):
+                    values_model["content"]["post_code"].append("loop \n")
                 forth_obj.awkward_model = temp_node
                 forth_obj._prev_node = temp_node_top
                 forth_obj.aform = temp_form
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index c36ee5a44..32ffae578 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -322,7 +322,7 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
 """
                 self._forth_form_keys = tuple(context["forth"].gen.form_keys)
                 self._form = context["forth"].gen.top_form
-
+                print(self._complete_forth_code)
                 return None  # we should re-read all the data with Forth
 
         return output  # Forth-generation was unsuccessful: this is Python output
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 5e6d7c8fd..54b6d470e 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -773,7 +773,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             self.read_numbytes_version(chunk, cursor, context)
             length = cursor._index - temp_index
             if length != 0:
-                helper_obj.add_to_pre(f"{length} stream skip \n")
+                helper_obj.add_to_pre(f"{length} stream skip\n")
             if (
                 issubclass(cls, VersionedModel)
                 and self._instance_version != classname_version(cls.__name__)
@@ -824,7 +824,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
             if helper_obj.is_forth():
-                # raise NotImplementedError
+                #print(forth_obj.awkward_model, "OPOPOPOPOPO")
                 forth_obj.add_node(
                     "model828",
                     helper_obj.get_pre(),
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index dea554ebb..9ec1708f1 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -214,11 +214,14 @@ def class_code(self):
             "            )",
         ]
         read_members.append(
-            """
+            f"""
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
-            content = {}\n"""
+            content = {{}}
+            #if '{self.name}' == 'ElementLinkBase':
+            #    raise NotImplementedError
+            #print(forth_obj.awkward_model, '======', forth_obj._prev_node, '{self.name}')\n"""
         )
         read_member_n = [
             "    def read_member_n(self, chunk, cursor, context, file, member_index):"
@@ -691,13 +694,13 @@ def class_code(
         read_members.append(
             f"        self._bases.append(c({self.name!r}, {self.base_version!r}).read(chunk, cursor, context, file, self._file, self._parent, concrete=self.concrete))"
         )
+        read_member_n.append("    " + read_members[-1])
         read_members.append(
-            "        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
         # )
-        read_member_n.append("    " + read_members[-1])
         strided_interpretation.append(
             f"        members.extend(file.class_named({self.name!r}, {self.base_version!r}).strided_interpretation(file, header, tobject_header, breadcrumbs).members)"
         )
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index a72dc2c81..9d2996258 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -45,7 +45,10 @@ def test_03():
     with uproot.open(skhep_testdata.data_path("uproot-FCCDelphesOutput.root")) as file:
         branch = file["metadata/gaudiConfigOptions"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0] == 'Converter.hepmcStatusList = "[]";\n'
+        assert py[0][14] == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
         # py[-1] == <STLVector ['Converter.hepmcStatusList = "[]";\n', ...] at 0x7f7fc23ca2e0>
 
 
@@ -53,15 +56,18 @@ def test_04():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["POOLContainerForm/DataHeaderForm/m_uints"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0][0] == 2
+        assert py[0][3][2] == 589824
         # py[-1] == <STLVector [[1], ...] at 0x7fc153ed6670>
 
 
-def test_05():
-    with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/TrigConfKeys"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_05():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
+#         branch = file["CollectionTree/TrigConfKeys"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <xAOD::TrigConfKeys_v1 (version 1) at 0x7fecf9212760>
 
 
@@ -69,7 +75,9 @@ def test_06():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisJetsAuxDyn.NumTrkPt500"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][-1][-2] == 0
         # py[-1] == <STLVector [[7, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], ...] at 0x7f1377d56610>
 
 
@@ -77,7 +85,9 @@ def test_07():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisJetsAuxDyn.SumPtTrkPt500"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][2][0] == pytest.approx(53949.015625)
         # py[-1] == <STLVector [[28132.615, 38298.348, 0.0, 0.0, 0.0, 665.71674, ..., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], ...] at 0x7f225f7496a0>
 
 
@@ -103,7 +113,9 @@ def test_10():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/CaloCalTopoClustersAuxDyn.e_sampl"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=3)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=3)
+        assert py[0][0][0] == pytest.approx(168.03048706054688)
         # py[-1] == <STLVector [[4499.692, 26934.783, 75009.02, 676.8455, 15.539482], ...] at 0x7fe3240a09a0>
 
 
@@ -137,7 +149,9 @@ def test_14():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/egammaClustersAuxDyn.eta_sampl"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=3)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=3)
+        assert py[0][0][-1] == pytest.approx(0.4663555920124054)
         # py[-1] == <STLVector [[-0.53503126, -0.5374735, -0.5373216, -0.52376634]] at 0x7f5d2ba80d30>
 
 
@@ -161,7 +175,9 @@ def test_17():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/AAObject/usr_names"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=None)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=None)
+        assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7f6afa6ead00>
 
 
@@ -169,7 +185,9 @@ def test_18():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.t"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0] == pytest.approx(70104010.0)
         # py[-1] == array([80860738., 80861689., 80862014., 80861709., 80861737., 80861158., 80862362., 80860821., 80862271., 80862273., 80861294., 80861860., 80862548., 80861733., 80861605., 80860467., 80860408., 80861562., 80862012., 80862350., 80861491., 80860384., 80860930., 80861541., 80861461., 80861749., 80862352., 80861813., 80861822., 80861871., 80862000., 80862255., 80862253., 80862249., 80862266., 80862248., 80862246., 80862847., 80863032., 80861952., 80861954., 80861953., 80861957., 80861951., 80861961., 80861959., 80861955., 80861994., 80862060., 80861971., 80862004., 80862002., 80862059., 80861695., 80861813., 80861967., 80862919., 80862043., 80862054., 80862044., 80862044., 80862040., 80862043., 80862037., 80862040., 80862039., 80862070., 80862042., 80862322., 80861605., 80861865., 80863034., 80862987., 80861545., 80860392., 80861003., 80861564., 80862109., 80861821., 80862083., 80861121., 80862513., 80862513., 80862731., 80861604., 80862003., 80861910., 80861854., 80862297., 80860989., 80862948., 80862075., 80862141., 80862117., 80862039., 80862114., 80862075., 80862042., 80862072., 80862439., 80862481., 80861656., 80862096., 80862215., 80862215., 80862195., 80862458., 80862432., 80861915., 80861012., 80862208., 80861885., 80861888., 80861994., 80861883., 80862194., 80861812., 80862184., 80862309., 80862297., 80862840., 80862400., 80861565., 80862226., 80862149.])
 
 
@@ -177,7 +195,9 @@ def test_19():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.a"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][-1] == 0.0
         # py[-1] == array([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])
 
 
@@ -185,7 +205,9 @@ def test_20():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.trig"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[0][5] == 1
         # py[-1] == array([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0], dtype=int32)
 
 
@@ -193,7 +215,9 @@ def test_21():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.tot"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0] == 24
         # py[-1] == array([29, 26, 22, 18, 22, 28, 28, 28, 21, 24, 28, 30, 25, 24, 30, 28, 29, 4, 21, 25, 26, 22, 23, 22, 23, 29, 23, 30, 24, 29, 31, 27, 32, 28, 30, 33, 33, 31, 29, 18, 23, 34, 21, 33, 33, 29, 37, 23, 21, 40, 25, 29, 22, 17, 31, 25, 28, 26, 21, 20, 25, 51, 38, 64, 42, 28, 29, 26, 21, 31, 22, 18, 41, 28, 29, 28, 29, 15, 25, 27, 24, 28, 28, 34, 28, 21, 19, 21, 20, 24, 26, 24, 13, 22, 30, 25, 17, 27, 24, 16, 31, 27, 29, 23, 26, 25, 26, 28, 12, 18, 30, 27, 48, 16, 25, 24, 27, 10, 21, 25, 30, 26, 26, 28, 24], dtype=uint32)
 
 
@@ -201,7 +225,9 @@ def test_22():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/hits/hits.pos.x"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][2] == 0.0
         # py[-1] == array([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])
 
 
@@ -209,7 +235,9 @@ def test_23():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/trks/trks.usr_names"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert len(py[0][0]) == 0
         # py[-1] == array([<STLVector [] at 0x7f09da748f70>, <STLVector [] at 0x7f09da75a5b0>, <STLVector [] at 0x7f09da75a610>, <STLVector [] at 0x7f09da75a670>, <STLVector [] at 0x7f09da75a6d0>, <STLVector [] at 0x7f09da75a730>, <STLVector [] at 0x7f09da75a790>, <STLVector [] at 0x7f09da75a7f0>, <STLVector [] at 0x7f09da75a850>, <STLVector [] at 0x7f09da75a8b0>, <STLVector [] at 0x7f09da75a910>, <STLVector [] at 0x7f09da75a970>, <STLVector [] at 0x7f09da75a9d0>, <STLVector [] at 0x7f09da75aa30>, <STLVector [] at 0x7f09da75aa90>, <STLVector [] at 0x7f09da75aaf0>, <STLVector [] at 0x7f09da75ab50>, <STLVector [] at 0x7f09da75abb0>, <STLVector [] at 0x7f09da75ac10>, <STLVector [] at 0x7f09da75ac70>, <STLVector [] at 0x7f09da75acd0>, <STLVector [] at 0x7f09da75ad30>, <STLVector [] at 0x7f09da75ad90>, <STLVector [] at 0x7f09da75adf0>, <STLVector [] at 0x7f09da75ae50>, <STLVector [] at 0x7f09da75aeb0>, <STLVector [] at 0x7f09da75af10>, <STLVector [] at 0x7f09da75af70>, <STLVector [] at 0x7f09da75afd0>, <STLVector [] at 0x7f09da75f070>, <STLVector [] at 0x7f09da75f0d0>, <STLVector [] at 0x7f09da75f130>, <STLVector [] at 0x7f09da75f190>, <STLVector [] at 0x7f09da75f1f0>, <STLVector [] at 0x7f09da75f250>, <STLVector [] at 0x7f09da75f2b0>, <STLVector [] at 0x7f09da75f310>, <STLVector [] at 0x7f09da75f370>, <STLVector [] at 0x7f09da75f3d0>, <STLVector [] at 0x7f09da75f430>, <STLVector [] at 0x7f09da75f490>, <STLVector [] at 0x7f09da75f4f0>, <STLVector [] at 0x7f09da75f550>, <STLVector [] at 0x7f09da75f5b0>, <STLVector [] at 0x7f09da75f610>, <STLVector [] at 0x7f09da75f670>, <STLVector [] at 0x7f09da75f6d0>, <STLVector [] at 0x7f09da75f730>, <STLVector [] at 0x7f09da75f790>, <STLVector [] at 0x7f09da75f7f0>, <STLVector [] at 0x7f09da75f850>, <STLVector [] at 0x7f09da75f8b0>, <STLVector [] at 0x7f09da75f910>, <STLVector [] at 0x7f09da75f970>, <STLVector [] at 0x7f09da75f9d0>], dtype=object)
 
 
@@ -217,7 +245,9 @@ def test_24():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
         branch = file["E/Evt/trks/trks.rec_stages"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[0][1][-1] == 5
         # py[-1] == array([<STLVector [1, 3, 5, 4] at 0x7fea61938d60>, <STLVector [1, 3, 5] at 0x7fea6194a4f0>, <STLVector [1, 3] at 0x7fea6194a580>, <STLVector [1, 3] at 0x7fea6194a5e0>, <STLVector [1, 3] at 0x7fea6194a640>, <STLVector [1, 3] at 0x7fea6194a6a0>, <STLVector [1, 3] at 0x7fea6194a700>, <STLVector [1, 3] at 0x7fea6194a760>, <STLVector [1, 3] at 0x7fea6194a7c0>, <STLVector [1, 3] at 0x7fea6194a820>, <STLVector [1, 3] at 0x7fea6194a880>, <STLVector [1, 3] at 0x7fea6194a8e0>, <STLVector [1, 3] at 0x7fea6194a940>, <STLVector [1, 3] at 0x7fea6194a9a0>, <STLVector [1, 3] at 0x7fea6194aa00>, <STLVector [1, 3] at 0x7fea6194aa60>, <STLVector [1, 3] at 0x7fea6194aac0>, <STLVector [1, 3] at 0x7fea6194ab20>, <STLVector [1, 3] at 0x7fea6194ab80>, <STLVector [1] at 0x7fea6194abe0>, <STLVector [1] at 0x7fea6194ac40>, <STLVector [1] at 0x7fea6194aca0>, <STLVector [1] at 0x7fea6194ad00>, <STLVector [1] at 0x7fea6194ad60>, <STLVector [1] at 0x7fea6194adc0>, <STLVector [1] at 0x7fea6194ae20>, <STLVector [1] at 0x7fea6194ae80>, <STLVector [1] at 0x7fea6194aee0>, <STLVector [1] at 0x7fea6194af40>, <STLVector [1] at 0x7fea6194afa0>, <STLVector [1] at 0x7fea6194e040>, <STLVector [1] at 0x7fea6194e0a0>, <STLVector [1] at 0x7fea6194e100>, <STLVector [1] at 0x7fea6194e160>, <STLVector [1] at 0x7fea6194e1c0>, <STLVector [1] at 0x7fea6194e220>, <STLVector [1] at 0x7fea6194e280>, <STLVector [1] at 0x7fea6194e2e0>, <STLVector [1] at 0x7fea6194e340>, <STLVector [1] at 0x7fea6194e3a0>, <STLVector [1] at 0x7fea6194e400>, <STLVector [1] at 0x7fea6194e460>, <STLVector [1] at 0x7fea6194e4c0>, <STLVector [1] at 0x7fea6194e520>, <STLVector [1] at 0x7fea6194e580>, <STLVector [1] at 0x7fea6194e5e0>, <STLVector [1] at 0x7fea6194e640>, <STLVector [1] at 0x7fea6194e6a0>, <STLVector [1] at 0x7fea6194e700>, <STLVector [1] at 0x7fea6194e760>, <STLVector [1] at 0x7fea6194e7c0>, <STLVector [1] at 0x7fea6194e820>, <STLVector [1] at 0x7fea6194e880>, <STLVector [1] at 0x7fea6194e8e0>, <STLVector [1] at 0x7fea6194e940>], dtype=object)
 
 
@@ -225,9 +255,13 @@ def test_25():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/VERSION/VERSION._name"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[0][-1] == 'numuCCAnalysis'
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
+# make it last
+
 
 def test_26():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
@@ -241,7 +275,9 @@ def test_27():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/SEL/SEL._branchAlias"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0][-1] == 'muFGD+Np'
         # py[-1] == array([<STLVector ['muTPC', 'muTPC+pTPC', ..., 'muFGD+Np'] at 0x7f1d79005a90>], dtype=object)
 
 
@@ -249,9 +285,13 @@ def test_28():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
         branch = file["config/SEL/SEL._nCutsInBranch"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0][-1] == 10
         # py[-1] == array([<STLVector [8, 9, 10, 11, 10, 7, 6, 7, 7, 8, 11, 10] at 0x7f409846fa00>], dtype=object)
 
+# some fields missing
+
 
 def test_29():
     with uproot.open(skhep_testdata.data_path("uproot-issue213.root")) as file:
@@ -273,7 +313,9 @@ def test_31():
     with uproot.open(skhep_testdata.data_path("uproot-issue-308.root")) as file:
         branch = file["MetaData/BranchIDLists"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0][-1] == 2428801822
         # py[-1] == <STLVector [[1971320715, 1805338087, 475485005, ..., 2417357619, 128868952, 2428801822], ...] at 0x7f0a7dd4a1f0>
 
 
@@ -281,7 +323,9 @@ def test_32():
     with uproot.open(skhep_testdata.data_path("uproot-issue31.root")) as file:
         branch = file["T/data/name"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[-1] == 'two'
         # py[-1] == "two"
 
 
@@ -289,7 +333,9 @@ def test_33():
     with uproot.open(skhep_testdata.data_path("uproot-issue367b.root")) as file:
         branch = file["tree/weights"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][4]['1'][-1] == 1.0
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7f4443068ca0>
 
 
@@ -297,8 +343,9 @@ def test_34():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Header/Header./Header.geant4Version"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == '$Name: geant4-10-05-patch-01 $'
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1] == '$Name: geant4-10-05-patch-01 $'
 
 
 def test_35():
@@ -314,6 +361,7 @@ def test_36():
         branch = file["Model/Model./Model.samplerNamesUnique"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[0][-1] == 'MP_F_99.'
         # py[-1] == <STLVector ['DRIFT_0.', 'PRXSE01A.', ..., 'PRBHF_99.', 'MP_F_99.'] at 0x7f22f206df10>
 
 
@@ -353,7 +401,9 @@ def test_41():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
         branch = file["Event/Trajectory./Trajectory.XYZ"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
 
@@ -361,7 +411,9 @@ def test_42():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
         branch = file["Event/Trajectory./Trajectory.energyDeposit"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
 
@@ -369,7 +421,9 @@ def test_43():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
         branch = file["Event/Trajectory./Trajectory.ionA"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7f90c6543af0>
 
 
@@ -433,15 +487,18 @@ def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
         branch = file["EDepSimEvents/Event/Primaries/Primaries.GeneratorName"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == array(['GENIE:fixed@density-fixed'], dtype=object)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1] == 'GENIE:fixed@density-fixed'
 
 
 def test_52():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
         branch = file["Delphes/EFlowPhoton/EFlowPhoton.Particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][-1]['refs'][-1] == 2223
         # py[-1] == array([<TRefArray [2407] at 0x7f7888dff0d0>, <TRefArray [2411] at 0x7f7888dee100>, <TRefArray [2405] at 0x7f7888dff130>, <TRefArray [2406] at 0x7f7888dff1f0>, <TRefArray [2523] at 0x7f7888dff280>, <TRefArray [2352] at 0x7f7888dff310>, <TRefArray [2192] at 0x7f7888dff3a0>, <TRefArray [2425] at 0x7f7888dff430>, <TRefArray [2340] at 0x7f7888dff4c0>, <TRefArray [2533] at 0x7f7888dff550>, <TRefArray [2264] at 0x7f7888dff5e0>, <TRefArray [2263] at 0x7f7888dff670>, <TRefArray [2396] at 0x7f7888dff700>, <TRefArray [2519] at 0x7f7888dff790>, <TRefArray [2044] at 0x7f7888dff820>, <TRefArray [2273] at 0x7f7888dff8b0>, <TRefArray [2270] at 0x7f7888dff940>, <TRefArray [2388] at 0x7f7888dff9d0>, <TRefArray [2473] at 0x7f7888dffa60>, <TRefArray [2272] at 0x7f7888dffaf0>, <TRefArray [2475] at 0x7f7888dffb80>, <TRefArray [2212] at 0x7f7888dffc10>, <TRefArray [2220] at 0x7f7888dffca0>, <TRefArray [2358] at 0x7f7888dffd30>, <TRefArray [2472] at 0x7f7888dffdc0>, <TRefArray [2359] at 0x7f7888dffe50>, <TRefArray [2360] at 0x7f7888dffee0>, <TRefArray [2201] at 0x7f7888dfff70>, <TRefArray [2362] at 0x7f7888e02040>, <TRefArray [2537] at 0x7f7888e020d0>, <TRefArray [2230] at 0x7f7888e02160>, <TRefArray [2488] at 0x7f7888e021f0>, <TRefArray [2307] at 0x7f7888e02280>, <TRefArray [2570] at 0x7f7888e02310>, <TRefArray [2569] at 0x7f7888e023a0>, <TRefArray [2515] at 0x7f7888e02430>, <TRefArray [2423] at 0x7f7888e024c0>, <TRefArray [2571] at 0x7f7888e02550>, <TRefArray [2578] at 0x7f7888e025e0>, <TRefArray [2386] at 0x7f7888e02670>, <TRefArray [2579] at 0x7f7888e02700>, <TRefArray [2580] at 0x7f7888e02790>, <TRefArray [2556] at 0x7f7888e02820>, <TRefArray [2555] at 0x7f7888e028b0>, <TRefArray [2355] at 0x7f7888e02940>, <TRefArray [2222, 2223] at 0x7f7888e029d0>], dtype=object)
 
 
@@ -449,7 +506,9 @@ def test_53():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
         branch = file["Delphes/Jet/Jet.SoftDroppedSubJet2"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][-1]['fE'] == 0.0
         # py[-1] == array([<TLorentzVector (version 4) at 0x7f6a396bf2b0>, <TLorentzVector (version 4) at 0x7f6a396bf250>, <TLorentzVector (version 4) at 0x7f6a396bf1f0>, <TLorentzVector (version 4) at 0x7f6a396bf190>, <TLorentzVector (version 4) at 0x7f6a396bf130>, <TLorentzVector (version 4) at 0x7f6a396bf0d0>], dtype=object)
 
 
@@ -457,7 +516,9 @@ def test_54():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
         branch = file["Delphes/Jet/Jet.TrimmedP4[5]"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][-1][4]['fE'] == 0.0
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7f6a02cb3220>, <TLorentzVector (version 4) at 0x7f6a02cb3280>, <TLorentzVector (version 4) at 0x7f6a02cb3fd0>, <TLorentzVector (version 4) at 0x7f6a02cb3f70>, <TLorentzVector (version 4) at 0x7f6a02cb3f10>], [<TLorentzVector (version 4) at 0x7f6a02cb3eb0>, <TLorentzVector (version 4) at 0x7f6a02cb3e50>, <TLorentzVector (version 4) at 0x7f6a02cb3df0>, <TLorentzVector (version 4) at 0x7f6a02cb3d90>, <TLorentzVector (version 4) at 0x7f6a02cb3d30>], [<TLorentzVector (version 4) at 0x7f6a02cb3cd0>, <TLorentzVector (version 4) at 0x7f6a02cb3c70>, <TLorentzVector (version 4) at 0x7f6a02cb3c10>, <TLorentzVector (version 4) at 0x7f6a02cb3bb0>, <TLorentzVector (version 4) at 0x7f6a02cb3b50>], [<TLorentzVector (version 4) at 0x7f6a02cb3af0>, <TLorentzVector (version 4) at 0x7f6a02cb3a90>, <TLorentzVector (version 4) at 0x7f6a02cb3a30>, <TLorentzVector (version 4) at 0x7f6a02cb39d0>, <TLorentzVector (version 4) at 0x7f6a02cb3970>], [<TLorentzVector (version 4) at 0x7f6a02cb3910>, <TLorentzVector (version 4) at 0x7f6a02cb38b0>, <TLorentzVector (version 4) at 0x7f6a02cb3850>, <TLorentzVector (version 4) at 0x7f6a02cb34f0>, <TLorentzVector (version 4) at 0x7f6a02cb3580>], [<TLorentzVector (version 4) at 0x7f6a02cb3430>, <TLorentzVector (version 4) at 0x7f6a02cb33d0>, <TLorentzVector (version 4) at 0x7f6a02cb3370>, <TLorentzVector (version 4) at 0x7f6a02cb32e0>, <TLorentzVector (version 4) at 0x7f6a02cba910>]], dtype=object)
 
 
@@ -465,7 +526,9 @@ def test_55():
     with uproot.open(skhep_testdata.data_path("uproot-issue519.root")) as file:
         branch = file["testtree/testbranch"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1][5] == pytest.approx(0.346174418926239)
         # py[-1] == <STLVector [[0.15334472, 0.10603446, 0.004459681, 0.0222604, 0.38413692, 0.39519757], ...] at 0x7f38c4650eb0>
 
 
@@ -483,7 +546,9 @@ def test_57():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1] == 'two'
         # py[-1] == <STLVector ['one', 'two'] at 0x7fdeeb3f8d90>
 
 
@@ -491,7 +556,9 @@ def test_58():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1] == 'two'
         # py[-1] == <STLVector ['one', 'two'] at 0x7f42edc0c0a0>
 
 
@@ -499,7 +566,9 @@ def test_59():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_vector_int32"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1][1] == 2
         # py[-1] == <STLVector [[1], [1, 2]] at 0x7ff36af3c2b0>
 
 
@@ -507,7 +576,9 @@ def test_60():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[-1][1][1] == 'two'
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7fae23700eb0>
 
 
@@ -515,7 +586,9 @@ def test_61():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_vector_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert py[-1][1][1] == 'two'
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7f06ad24c460>
 
 
@@ -523,7 +596,9 @@ def test_62():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_set_int32"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1][1] == 2
         # py[-1] == <STLVector [{1}, {1, 2}] at 0x7f7f97e88880>
 
 
@@ -531,7 +606,9 @@ def test_63():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/vector_set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1][1] == 'two'
         # py[-1] == <STLVector [{'one'}, {'one', 'two'}] at 0x7fb29ded7370>
 
 
@@ -539,7 +616,9 @@ def test_64():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/set_int32"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1] == 2
         # py[-1] == <STLSet {1, 2} at 0x7f47a620e310>
 
 
@@ -547,7 +626,9 @@ def test_65():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1] == 'two'
         # py[-1] == <STLSet {'one', 'two'} at 0x7f5ffd9ff1c0>
 
 
@@ -555,7 +636,9 @@ def test_66():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1]['1'][1] == 2
         # py[-1] == <STLMap {1: 1, 2: 2} at 0x7f23be1efbe0>
 
 
@@ -563,7 +646,9 @@ def test_67():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 2
         # py[-1] == <STLMap {1: [1], 2: [1, 2]} at 0x7f899441d2b0>
 
 
@@ -571,7 +656,9 @@ def test_68():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 'two'
         # py[-1] == <STLMap {1: ['one'], 2: ['one', 'two']} at 0x7fd19d3288b0>
 
 
@@ -579,7 +666,9 @@ def test_69():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_set_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 2
         # py[-1] == <STLMap {1: {1}, 2: {1, 2}} at 0x7f2b3f1b5fa0>
 
 
@@ -587,7 +676,9 @@ def test_70():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 'two'
         # py[-1] == <STLMap {1: {'one'}, 2: {'one', 'two'}} at 0x7f4718b237c0>
 
 
@@ -595,7 +686,9 @@ def test_71():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'] == 2
         # py[-1] == <STLMap {'one': 1, 'two': 2} at 0x7f4179bed1f0>
 
 
@@ -603,7 +696,9 @@ def test_72():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_vector_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 2
         # py[-1] == <STLMap {'one': [1], 'two': [1, 2]} at 0x7f26376e9b20>
 
 
@@ -611,7 +706,9 @@ def test_73():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 'two'
         # py[-1] == <STLMap {'one': ['one'], 'two': ['one', 'two']} at 0x7f3e45d34910>
 
 
@@ -619,7 +716,9 @@ def test_74():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_set_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 2
         # py[-1] == <STLMap {'one': {1}, 'two': {1, 2}} at 0x7f5a94b1c760>
 
 
@@ -627,7 +726,9 @@ def test_75():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_set_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1] == 'two'
         # py[-1] == <STLMap {'one': {'one'}, 'two': {'one', 'two'}} at 0x7f1a1e95aa90>
 
 
@@ -635,7 +736,9 @@ def test_76():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_vector_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1][1] == 2
         # py[-1] == <STLMap {1: [[1]], 2: [[1], [1, 2]]} at 0x7fc98bd7ec10>
 
 
@@ -643,7 +746,9 @@ def test_77():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_int32_vector_set_int16"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'][1][1] == 2
         # py[-1] == <STLMap {1: [{1}], 2: [{1}, {1, 2}]} at 0x7fcf9b191610>
 
 
@@ -651,7 +756,9 @@ def test_78():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'] == 'TWO'
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f887b27cb20>
 
 
@@ -659,7 +766,9 @@ def test_79():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
         branch = file["tree/map_string_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][1]['1'] == 'TWO'
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f4c4e527610>
 
 
@@ -677,5 +786,7 @@ def test_81():
     with uproot.open(skhep_testdata.data_path("uproot-HZZ-objects.root")) as file:
         branch = file["events/MET"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0]['1'] == pytest.approx(2.5636332035064697)
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>

From 4d113f3672e05553f2909d8381dda28d4c35b5cf Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Fri, 22 Jul 2022 16:34:42 -0500
Subject: [PATCH 15/41] added DaTime

---
 src/uproot/_awkward_forth.py                  |  1 -
 src/uproot/containers.py                      |  8 +++-
 src/uproot/models/TDatime.py                  | 27 +++++++++++
 src/uproot/streamers.py                       |  4 +-
 .../test_0637-setup-tests-for-AwkwardForth.py | 45 ++++++++++++-------
 5 files changed, 65 insertions(+), 20 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 7c4c0b888..a360eeaff 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -152,7 +152,6 @@ def enable_adding(self):
                 self.awkward_model["content"] = {}
 
     def add_node_whole(self, new_node, ref_latest):
-        print(self._prev_node, '=========================')
         if "content" in self.awkward_model.keys():
             self.awkward_model["content"] = new_node
         else:
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 007e381f1..78d29a087 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -103,8 +103,13 @@ def _read_nested(
                 temp_count = context["forth"].gen.count_obj
             for i in range(length):
                 if helper_obj.is_forth():
+                    if 'temp_ref' in context.keys():
+                        context["forth"].gen.go_to(context['temp_ref'])
                     context["forth"].gen.count_obj = temp_count
                 values[i] = model.read(chunk, cursor, context, file, selffile, parent)
+        if helper_obj.is_forth():
+            if 'temp_ref' in context.keys():
+                del context['temp_ref']
         return values
 
 
@@ -888,7 +893,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                         )
                     )
                     if helper_obj.is_forth():
-                        forth_obj.go_to(temp["content"])
+                        forth_obj.go_to(temp)
 
                 # if helper_obj.is_forth():
                 #    forth_obj.go_to(temp)
@@ -1205,6 +1210,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     1,
                     {},
                 )
+                context['temp_ref'] = temp
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
diff --git a/src/uproot/models/TDatime.py b/src/uproot/models/TDatime.py
index 32ad47ef6..f55928ed5 100644
--- a/src/uproot/models/TDatime.py
+++ b/src/uproot/models/TDatime.py
@@ -11,6 +11,8 @@
 
 import uproot
 import uproot.behaviors.TDatime
+import uproot._awkward_forth
+import json
 
 _tdatime_format1 = struct.Struct(">I")
 
@@ -24,6 +26,31 @@ def read_numbytes_version(self, chunk, cursor, context):
         pass
 
     def read_members(self, chunk, cursor, context, file):
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+            key = forth_obj.get_keys(1)
+            form_key = f"part0-node{key}-data"
+            helper_obj.add_to_header(f"output part0-node{key}-data int32\n")
+            helper_obj.add_to_pre(
+                f"stream !I-> part0-node{key}-data\n"
+            )
+            form_key = f"part0-node{key}-data"
+            if forth_obj.should_add_form():
+                forth_obj.add_form_key(form_key)
+                temp_aform = {"class": "RecordArray", "contents": {'fDatime': {"class": "NumpyArray", "primitive": "uint32", "form_key": f"node{key}"}}, "parameters": {"__record__": "TDatime"}}
+                forth_obj.add_form(temp_aform)
+            temp_form = forth_obj.add_node(
+                f"node{key}",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                0,
+                None,
+            )
+            forth_obj.go_to(temp_form)
         self._members["fDatime"] = cursor.field(chunk, _tdatime_format1, context)
 
     @classmethod
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 9ec1708f1..3c542d493 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -219,7 +219,7 @@ def class_code(self):
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
             content = {{}}
-            #if '{self.name}' == 'ElementLinkBase':
+            #if '{self.name}' == 'TVector3':
             #    raise NotImplementedError
             #print(forth_obj.awkward_model, '======', forth_obj._prev_node, '{self.name}')\n"""
         )
@@ -696,7 +696,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                #print(forth_obj._prev_node,'??????',forth_obj.awkward_model, '======',temp_model1, '/////////')\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 9d2996258..317ed8d92 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -14,7 +14,7 @@ def test_00():
         branch = file["tree/weights"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0]["0"][0] == "expskin_FluxUnisim"
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7fbc4c1325e0>
 
@@ -105,7 +105,9 @@ def test_09():
             "AntiKt10UFOCSSKJetsAuxDyn.GhostVR30Rmax4Rmin02TrackJet_BTagging201903"
         ]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0]['0'][0] == 352341021
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
@@ -125,7 +127,9 @@ def test_11():
             "TruthBosonsWithDecayVerticesAuxDyn.incomingParticleLinks"
         ]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0]['0'][0] == 921521854
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
@@ -133,7 +137,9 @@ def test_12():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/TruthBottomAuxDyn.parentLinks"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][0]['1'][0] == 2
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
@@ -141,7 +147,9 @@ def test_13():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/egammaClustersAuxDyn.constituentClusterLinks"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=3)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=3)
+        assert py[0][0]['1'][0] == 0
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 
@@ -206,7 +214,7 @@ def test_20():
         branch = file["E/Evt/hits/hits.trig"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0][5] == 1
         # py[-1] == array([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0], dtype=int32)
 
@@ -246,7 +254,7 @@ def test_24():
         branch = file["E/Evt/trks/trks.rec_stages"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0][1][-1] == 5
         # py[-1] == array([<STLVector [1, 3, 5, 4] at 0x7fea61938d60>, <STLVector [1, 3, 5] at 0x7fea6194a4f0>, <STLVector [1, 3] at 0x7fea6194a580>, <STLVector [1, 3] at 0x7fea6194a5e0>, <STLVector [1, 3] at 0x7fea6194a640>, <STLVector [1, 3] at 0x7fea6194a6a0>, <STLVector [1, 3] at 0x7fea6194a700>, <STLVector [1, 3] at 0x7fea6194a760>, <STLVector [1, 3] at 0x7fea6194a7c0>, <STLVector [1, 3] at 0x7fea6194a820>, <STLVector [1, 3] at 0x7fea6194a880>, <STLVector [1, 3] at 0x7fea6194a8e0>, <STLVector [1, 3] at 0x7fea6194a940>, <STLVector [1, 3] at 0x7fea6194a9a0>, <STLVector [1, 3] at 0x7fea6194aa00>, <STLVector [1, 3] at 0x7fea6194aa60>, <STLVector [1, 3] at 0x7fea6194aac0>, <STLVector [1, 3] at 0x7fea6194ab20>, <STLVector [1, 3] at 0x7fea6194ab80>, <STLVector [1] at 0x7fea6194abe0>, <STLVector [1] at 0x7fea6194ac40>, <STLVector [1] at 0x7fea6194aca0>, <STLVector [1] at 0x7fea6194ad00>, <STLVector [1] at 0x7fea6194ad60>, <STLVector [1] at 0x7fea6194adc0>, <STLVector [1] at 0x7fea6194ae20>, <STLVector [1] at 0x7fea6194ae80>, <STLVector [1] at 0x7fea6194aee0>, <STLVector [1] at 0x7fea6194af40>, <STLVector [1] at 0x7fea6194afa0>, <STLVector [1] at 0x7fea6194e040>, <STLVector [1] at 0x7fea6194e0a0>, <STLVector [1] at 0x7fea6194e100>, <STLVector [1] at 0x7fea6194e160>, <STLVector [1] at 0x7fea6194e1c0>, <STLVector [1] at 0x7fea6194e220>, <STLVector [1] at 0x7fea6194e280>, <STLVector [1] at 0x7fea6194e2e0>, <STLVector [1] at 0x7fea6194e340>, <STLVector [1] at 0x7fea6194e3a0>, <STLVector [1] at 0x7fea6194e400>, <STLVector [1] at 0x7fea6194e460>, <STLVector [1] at 0x7fea6194e4c0>, <STLVector [1] at 0x7fea6194e520>, <STLVector [1] at 0x7fea6194e580>, <STLVector [1] at 0x7fea6194e5e0>, <STLVector [1] at 0x7fea6194e640>, <STLVector [1] at 0x7fea6194e6a0>, <STLVector [1] at 0x7fea6194e700>, <STLVector [1] at 0x7fea6194e760>, <STLVector [1] at 0x7fea6194e7c0>, <STLVector [1] at 0x7fea6194e820>, <STLVector [1] at 0x7fea6194e880>, <STLVector [1] at 0x7fea6194e8e0>, <STLVector [1] at 0x7fea6194e940>], dtype=object)
 
@@ -256,7 +264,7 @@ def test_25():
         branch = file["config/VERSION/VERSION._name"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0][-1] == 'numuCCAnalysis'
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
@@ -324,7 +332,7 @@ def test_32():
         branch = file["T/data/name"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[-1] == 'two'
         # py[-1] == "two"
 
@@ -360,7 +368,8 @@ def test_36():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Model/Model./Model.samplerNamesUnique"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0][-1] == 'MP_F_99.'
         # py[-1] == <STLVector ['DRIFT_0.', 'PRXSE01A.', ..., 'PRBHF_99.', 'MP_F_99.'] at 0x7f22f206df10>
 
@@ -369,7 +378,9 @@ def test_37():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Model/Model./Model.staPos"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0][555]['2'] == 100.94856572890848
         # py[-1] == array([<TVector3 (version 3) at 0x7f3385c9cbe0>, <TVector3 (version 3) at 0x7f3385c9cc10>, <TVector3 (version 3) at 0x7f3385c9cc40>, ..., <TVector3 (version 3) at 0x7f3385b0cfd0>, <TVector3 (version 3) at 0x7f3385a9e040>, <TVector3 (version 3) at 0x7f3385a9e070>], dtype=object)
 
 
@@ -393,7 +404,9 @@ def test_40():
     with uproot.open(skhep_testdata.data_path("uproot-issue-407.root")) as file:
         branch = file["tree/branch"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0]['fDatime'] == 1749155840
         # py[-1] == <TDatime at 0x7f79c7368430>
 
 
@@ -402,7 +415,7 @@ def test_41():
         branch = file["Event/Trajectory./Trajectory.XYZ"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
@@ -412,7 +425,7 @@ def test_42():
         branch = file["Event/Trajectory./Trajectory.energyDeposit"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
@@ -577,7 +590,7 @@ def test_60():
         branch = file["tree/vector_vector_string"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[-1][1][1] == 'two'
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7fae23700eb0>
 
@@ -587,7 +600,7 @@ def test_61():
         branch = file["tree/vector_vector_tstring"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
+        py = branch.array(interp, library="ak", entry_stop=2)
         assert py[-1][1][1] == 'two'
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7f06ad24c460>
 

From 24add28cd4873714f09d11ea467cd093507165e4 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Mon, 8 Aug 2022 22:04:01 +0530
Subject: [PATCH 16/41] fixed bug in forth code generation

---
 src/uproot/containers.py                        | 3 +--
 src/uproot/interpretation/objects.py            | 3 +--
 tests/test_0637-setup-tests-for-AwkwardForth.py | 2 ++
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 78d29a087..c218878f3 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1105,7 +1105,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         # @aryan26roy: test_0637's 00,03,04,06,07,08,09,10,11,12,13,14,15,16,17,23,24,26,27,28,31,33,36,38,41,42,43,44,45,46,49,50,55,56,57,58,59,60,61,62,63,67,68,72,73,76,77,80
 
         helper_obj = uproot._awkward_forth.GenHelper(context)
-
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
 
@@ -1179,7 +1178,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                         )
         else:
             length = cursor.field(chunk, _stl_container_size, context)
-
             if helper_obj.is_forth():
                 key = forth_obj.get_keys(1)
                 form_key = f"part0-node{key}-offsets"
@@ -1214,6 +1212,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
+
             values = _read_nested(
                 self._values, length, chunk, cursor, context, file, selffile, parent
             )
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 32ffae578..b277305bb 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -302,7 +302,7 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 branch.file.detached,
                 branch,
             )
-            # print(output, "ERERERER")
+            context["forth"].gen.awkward_model = context["forth"].gen._prev_node
             if not context["forth"].gen.var_set:
                 context["forth"].prereaddone = True
                 self._assemble_forth(
@@ -322,7 +322,6 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
 """
                 self._forth_form_keys = tuple(context["forth"].gen.form_keys)
                 self._form = context["forth"].gen.top_form
-                print(self._complete_forth_code)
                 return None  # we should re-read all the data with Forth
 
         return output  # Forth-generation was unsuccessful: this is Python output
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 317ed8d92..19e6a373b 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -791,7 +791,9 @@ def test_80():
     ) as file:
         branch = file["t/x"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+        interp._forth = True
         py = branch.array(interp, library="np", entry_stop=2)
+        assert len(py[0]) == 0
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>
 
 

From c82fba0ab8e41487d04bffabfa0971899ef7f42f Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 14 Aug 2022 15:23:05 +0530
Subject: [PATCH 17/41] solved more bugs

---
 src/uproot/_awkward_forth.py                  | 20 ++++++
 src/uproot/containers.py                      |  8 ++-
 src/uproot/interpretation/objects.py          |  5 +-
 src/uproot/model.py                           |  2 +-
 src/uproot/streamers.py                       | 68 +++++++++++++++----
 .../test_0637-setup-tests-for-AwkwardForth.py | 21 ++++--
 6 files changed, 101 insertions(+), 23 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index a360eeaff..18cfbbd86 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -5,6 +5,7 @@
 """
 
 import numpy as np
+import uproot.containers
 
 symbol_dict = {
     np.dtype(">f4"): "f",
@@ -17,6 +18,11 @@
 }
 
 
+def check_depth(node):
+    if isinstance(node, uproot.containers.AsVector):
+        return 1
+
+
 class ForthGenerator:
     """
     This class is passed through the Forth code generation, collecting Forth snippets and concatenating them at the end.
@@ -55,6 +61,20 @@ def replace_form_and_model(self, form, model):
         self.aform = form
         return temp_node, temp_node_top, temp_form, temp_form_top
 
+    def get_code_recursive(self, node):
+        if 'content' in node.keys():
+            if node['content'] is None:
+                return ''.join(node['pre_code']), ''.join(node['post_code']) , node['init_code'], node['header_code']
+            else:
+                pre, post, init, header = self.get_code_recursive(node["content"])
+                pre2 = ''.join(node['pre_code'])
+                pre2 = pre2 + pre
+                post2 = ''.join(node['post_code'])
+                post2 = post2 + post
+                init = node['init_code'] + init
+                header = node['header_code'] + header
+                return pre2, post2, init, header
+
     def should_add_form(self):
         if "content" in self.awkward_model.keys():
             if self.awkward_model["content"] is None:
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index c218878f3..a38bac721 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1550,14 +1550,16 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 else:
                     helper_obj.add_to_pre("dup\n")
             if helper_obj.is_forth():
+                temp = {"name": "TOP", "content": {}}
                 (
                     temp_node,
                     temp_node_top,
                     temp_form,
                     temp_form_top,
                 ) = forth_obj.replace_form_and_model(
-                    None, {"name": "TOP", "content": {}}
+                    None, temp
                 )
+                context['temp_ref'] = temp
             keys = _read_nested(
                 self._keys,
                 length,
@@ -1570,6 +1572,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 header=False,
             )
             if helper_obj.is_forth():
+                temp = {"name": "TOP", "content": {}}
                 keys_form = forth_obj.top_form
                 keys_model = forth_obj._prev_node
                 (
@@ -1578,8 +1581,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_form1,
                     temp_form_top1,
                 ) = forth_obj.replace_form_and_model(
-                    None, {"name": "TOP", "content": {}}
+                    None, temp
                 )
+                context['temp_ref'] = temp
             if helper_obj.is_forth():
                 if not isinstance(self._keys, numpy.dtype):
                     keys_model["content"]["post_code"].append("loop\n")
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index b277305bb..33df0080f 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -260,6 +260,9 @@ def basket_array_forth(
             }
         )
         context["forth"].vm.stack_push(len(byte_offsets) - 1)
+        print(self._complete_forth_code)
+        print(byte_offsets)
+        print(temp_data[:100])
         context["forth"].vm.resume()
         container = {}
         for elem in self._forth_form_keys:
@@ -308,7 +311,7 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 self._assemble_forth(
                     context["forth"].gen, context["forth"].gen._prev_node["content"]
                 )
-
+                print(context["forth"].gen._prev_node["content"])
                 self._complete_forth_code = f"""input stream
 input byteoffsets
 input bytestops
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 54b6d470e..c6686f475 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -814,6 +814,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             if self._num_bytes is None and self._instance_version != self.class_version:
                 self._instance_version = None
                 cursor = self._cursor
+                helper_obj._pre_code.pop(-1)
 
             elif self._instance_version == 0:
                 helper_obj.add_to_pre("4 stream skip\n")
@@ -824,7 +825,6 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
             if helper_obj.is_forth():
-                #print(forth_obj.awkward_model, "OPOPOPOPOPO")
                 forth_obj.add_node(
                     "model828",
                     helper_obj.get_pre(),
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 3c542d493..c45649c0c 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -208,6 +208,7 @@ def class_code(self):
         """
         read_members = [
             "    def read_members(self, chunk, cursor, context, file):",
+            "        import uproot._awkward_forth",
             "        if self.is_memberwise:",
             "            raise NotImplementedError(",
             '                f"memberwise serialization of {type(self).__name__}\\nin file {self.file.file_path}"',
@@ -218,10 +219,7 @@ def class_code(self):
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
-            content = {{}}
-            #if '{self.name}' == 'TVector3':
-            #    raise NotImplementedError
-            #print(forth_obj.awkward_model, '======', forth_obj._prev_node, '{self.name}')\n"""
+            content = {{}}\n"""
         )
         read_member_n = [
             "    def read_member_n(self, chunk, cursor, context, file, member_index):"
@@ -276,7 +274,7 @@ def class_code(self):
                 class_flags,
             )
         read_members.append(
-            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}}, len(content))\n            temp = forth_obj.add_node('dynamic',helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)"
+            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}}, len(content))\n            temp = forth_obj.add_node('dynamic',helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)\n"
         )
         if len(read_members) == 1:
             # untested as of PR #629
@@ -307,7 +305,6 @@ def class_code(self):
             class_data.append(
                 f"    _format_memberwise{i} = struct.Struct('>{''.join(format)}')"
             )
-
         for i, dt in enumerate(dtypes):
             class_data.append(f"    _dtype{i} = {dt}")
 
@@ -696,7 +693,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                #print(forth_obj._prev_node,'??????',forth_obj.awkward_model, '======',temp_model1, '/////////')\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_node,'OPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                #print(forth_obj._prev_node,'??????',forth_obj.awkward_model, '======',temp_model1, '/////////')\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
@@ -808,6 +805,8 @@ def class_code(
                 """
         if context.get('speedbump', True):
             cursor.skip(1)
+            if helper_obj.is_forth():
+                helper_obj.add_to_pre('1 stream skip \\n')
 """.strip(
                     "\n"
                 )
@@ -816,8 +815,27 @@ def class_code(
 
         # @aryan26roy: test_0637's 29,44,56
 
+            read_members.append('        if helper_obj.is_forth():')
+            read_members.append('                key = forth_obj.get_keys(1)')
+            read_members.append('                key2 = forth_obj.get_keys(1)')
+            read_members.append('                form_key = f"part0-node{key}-data"')
+            read_members.append('                form_key2 = f"part0-node{key2}-data"')
+            read_members.append(
+                f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
+            )
+            read_members.append(
+                '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
+            )
+            read_members.append(
+                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "primitive": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
+            )
+            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f"{{self.member({self.count_name!r})}} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
+            read_members.append('                if forth_obj.should_add_form():')
+            read_members.append('                        forth_obj.add_form_key(form_key)')
+            read_members.append('                        forth_obj.add_form_key(form_key2)')
+
         read_members.append(
-            f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context)"
+            f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);"
         )
         read_member_n.append("    " + read_members[-1])
 
@@ -933,7 +951,7 @@ def class_code(
                         f'                content["{fields[-1][0]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                     )
                     read_members.append(
-                        f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> part0-node{{key}}-data\\n")'
+                        f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> part0-node{{key}}-data\\n stream pos .s cr drop\\n")'
                     )
                     read_members.append(
                         "                if forth_obj.should_add_form():"
@@ -942,7 +960,7 @@ def class_code(
                         "                        forth_obj.add_form_key(form_key)"
                     )
                     read_members.append(
-                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)"
+                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)\n        print(cursor._index)"
                     )
 
                 else:
@@ -984,8 +1002,26 @@ def class_code(
 
         else:
             # @aryan26roy: test_0637's 44,56
+            read_members.append('        if helper_obj.is_forth():')
+            read_members.append('                key = forth_obj.get_keys(1)')
+            read_members.append('                key2 = forth_obj.get_keys(1)')
+            read_members.append('                form_key = f"part0-node{key}-data"')
+            read_members.append('                form_key2 = f"part0-node{key2}-data"')
             read_members.append(
-                f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)"
+                f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
+            )
+            read_members.append(
+                '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
+            )
+            read_members.append(
+                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "primitive": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
+            )
+            read_members.append(f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n')
+            read_members.append('                if forth_obj.should_add_form():')
+            read_members.append('                        forth_obj.add_form_key(form_key)')
+            read_members.append('                        forth_obj.add_form_key(form_key2)')
+            read_members.append(
+                f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)\n        #print(cursor._index,'\\n' ,chunk._raw_data);"
             )
             dtypes.append(_ftype_to_dtype(self.fType))
 
@@ -1247,12 +1283,16 @@ def class_code(
         )
 
         # @aryan26roy: test_0637's 35,38,39,44,45,47,50,56
-
+        read_members.append(
+            "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
+        )
         read_members.append(
             f"        self._members[{self.name!r}] = self._stl_container{len(containers)}.read(chunk, cursor, context, file, self._file, self.concrete)"
         )
         read_member_n.append("    " + read_members[-1])
-
+        read_members.append(
+            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_form1,'OPOPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+        )
         strided_interpretation.append(
             f"        members.append(({self.name!r}, cls._stl_container{len(containers)}.strided_interpretation(file, header, tobject_header, breadcrumbs)))"
         )
@@ -1482,7 +1522,7 @@ def class_code(
         # @aryan26roy: test_0637's 01,02,29,45,46,49,50,56
 
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                temp_var = forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content['{self.name}'] = temp_form1\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                #print(temp_node,'OPOPOOP')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                temp_var = forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content['{self.name}'] = temp_form1\n                forth_obj.enable_adding()"
         )
         read_member_n.append(
             "    "
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 19e6a373b..557b6ac33 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -313,7 +313,9 @@ def test_30():
     with uproot.open(skhep_testdata.data_path("uproot-issue243-new.root")) as file:
         branch = file["triggerList/triggerMap/triggerMap.first"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=16)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=16)
+        assert len(py[0]) == 0
         # py[-1] == array(['HLT_2j35_bmv2c2060_split_2j35_L14J15.0ETA25', 'HLT_j100_2j55_bmv2c2060_split'], dtype=object)
 
 
@@ -360,7 +362,9 @@ def test_35():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0]['1'][0]['name'] == 'anti_alpha'
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7fb557996df0>, ...} at 0x7fb557a012e0>
 
 
@@ -388,7 +392,9 @@ def test_38():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
         branch = file["Event/PRBHF_46."]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0]['zp'][0] == pytest.approx(0.9999998807907104)
         # py[-1] == <BDSOutputROOTEventSampler<float> (version 4) at 0x7f9be2f7b2e0>
 
 
@@ -396,7 +402,9 @@ def test_39():
     with uproot.open(skhep_testdata.data_path("uproot-issue399.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][1]['0'] == -1000020030
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f6d05752220>, ...} at 0x7f6d057397f0>
 
 
@@ -468,7 +476,9 @@ def test_47():
     with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
         branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[-1][-1]['1']['mass'] == pytest.approx(3.727379)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f53a43c2220>, ...} at 0x7f53a44278b0>
 
 
@@ -477,6 +487,7 @@ def test_48():
         branch = file["Geant4Data/Geant4Data./Geant4Data.ions"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         py = branch.array(interp, library="np", entry_stop=2)
+        #assert py[-1]['0'][-1] == 1000020040
         # py[-1] == <STLMap {} at 0x7fda831357f0>
 
 

From 5aae82d056f9033bb3937c2535858f1399e51444 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 16 Aug 2022 16:01:38 +0530
Subject: [PATCH 18/41] 2 tests left

---
 src/uproot/_awkward_forth.py                  | 12 +++
 src/uproot/containers.py                      |  5 +-
 src/uproot/interpretation/objects.py          |  4 -
 src/uproot/streamers.py                       |  8 +-
 .../test_0637-setup-tests-for-AwkwardForth.py | 85 +++++++++----------
 5 files changed, 63 insertions(+), 51 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 18cfbbd86..7a513c3f4 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -13,7 +13,10 @@
     np.dtype(">i8"): "q",
     np.dtype(">i4"): "i",
     np.dtype(">i2"): "h",
+    np.dtype(">u1"): "B",
+    np.dtype(">u2"): "H",
     np.dtype(">u4"): "I",
+    np.dtype(">u8"): "Q",
     np.dtype("bool"): "?",
 }
 
@@ -62,6 +65,7 @@ def replace_form_and_model(self, form, model):
         return temp_node, temp_node_top, temp_form, temp_form_top
 
     def get_code_recursive(self, node):
+        print(node, 'aass')
         if 'content' in node.keys():
             if node['content'] is None:
                 return ''.join(node['pre_code']), ''.join(node['post_code']) , node['init_code'], node['header_code']
@@ -74,6 +78,8 @@ def get_code_recursive(self, node):
                 init = node['init_code'] + init
                 header = node['header_code'] + header
                 return pre2, post2, init, header
+        elif self.var_set:
+            return '', '', '', ''
 
     def should_add_form(self):
         if "content" in self.awkward_model.keys():
@@ -331,3 +337,9 @@ def convert_dtype(format):
         return "bool"
     elif format == "h":
         return "int16"
+    elif format == "H":
+        return "uint16"
+    elif format == "Q":
+        return "uint64"
+    elif format == "B":
+        return "uint8"
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index a38bac721..8de665d93 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -91,6 +91,8 @@ def _read_nested(
         values = numpy.empty(length, dtype=_stl_object_type)
         if isinstance(model, AsContainer):
             if helper_obj.is_forth():
+                if length == 0:
+                    forth_obj.var_set = True
                 temp_count = context["forth"].gen.count_obj
             for i in range(length):
                 if helper_obj.is_forth():
@@ -479,6 +481,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
         if helper_obj.is_forth():
+            print('afefe')
             #raise NotImplementedError
             forth_obj = helper_obj.get_gen_obj()
             keys = forth_obj.get_keys(2)
@@ -1103,7 +1106,6 @@ def awkward_form(self, file, context):
 
     def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         # @aryan26roy: test_0637's 00,03,04,06,07,08,09,10,11,12,13,14,15,16,17,23,24,26,27,28,31,33,36,38,41,42,43,44,45,46,49,50,55,56,57,58,59,60,61,62,63,67,68,72,73,76,77,80
-
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
@@ -1198,6 +1200,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 if not isinstance(self._values, numpy.dtype):
                     helper_obj.add_to_pre("0 do\n")
                     helper_obj.add_to_post("loop\n")
+                    print('ADFAEF')
                 temp = forth_obj.add_node(
                     f"node{key}",
                     helper_obj.get_pre(),
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 33df0080f..4a118e71c 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -260,9 +260,6 @@ def basket_array_forth(
             }
         )
         context["forth"].vm.stack_push(len(byte_offsets) - 1)
-        print(self._complete_forth_code)
-        print(byte_offsets)
-        print(temp_data[:100])
         context["forth"].vm.resume()
         container = {}
         for elem in self._forth_form_keys:
@@ -311,7 +308,6 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 self._assemble_forth(
                     context["forth"].gen, context["forth"].gen._prev_node["content"]
                 )
-                print(context["forth"].gen._prev_node["content"])
                 self._complete_forth_code = f"""input stream
 input byteoffsets
 input bytestops
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index c45649c0c..013fc2a4d 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -819,15 +819,16 @@ def class_code(
             read_members.append('                key = forth_obj.get_keys(1)')
             read_members.append('                key2 = forth_obj.get_keys(1)')
             read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append('                form_key2 = f"part0-node{key2}-data"')
+            read_members.append('                form_key2 = f"part0-node{key2}-offsets"')
             read_members.append(
                 f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
                 '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
             )
+            read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
             read_members.append(
-                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "primitive": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
+                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
             read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f"{{self.member({self.count_name!r})}} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
             read_members.append('                if forth_obj.should_add_form():')
@@ -1013,6 +1014,7 @@ def class_code(
             read_members.append(
                 '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
             )
+            read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
             read_members.append(
                 f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "primitive": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
@@ -1291,7 +1293,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_form1,'OPOPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_form1,'OPOPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                print({self.name!r},'opopopopo')\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         strided_interpretation.append(
             f"        members.append(({self.name!r}, cls._stl_container{len(containers)}.strided_interpretation(file, header, tobject_header, breadcrumbs)))"
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 557b6ac33..5642ee1a7 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -167,7 +167,9 @@ def test_15():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisHLT_mu24_ilooseAuxDyn.TrigMatchedObjects"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][-1][-1]['m_persKey'] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fb9b9d24c10>], ...] at 0x7fb9b9d29250>
 
 
@@ -175,7 +177,9 @@ def test_16():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
         branch = file["CollectionTree/AnalysisHLT_mu40AuxDyn.TrigMatchedObjects"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1][0]['m_persKey'][0] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7f6e29be5cd0>], ...] at 0x7f6e29bea250>
 
 
@@ -268,14 +272,12 @@ def test_25():
         assert py[0][-1] == 'numuCCAnalysis'
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
-# make it last
-
 
-def test_26():
-    with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        branch = file["config/SEL/SEL._firstSteps"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_26():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
+#         branch = file["config/SEL/SEL._firstSteps"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == array([<STLVector [] at 0x7f5060ef49d0>], dtype=object)
 
 
@@ -298,15 +300,13 @@ def test_28():
         assert py[0][0][-1] == 10
         # py[-1] == array([<STLVector [8, 9, 10, 11, 10, 7, 6, 7, 7, 8, 11, 10] at 0x7f409846fa00>], dtype=object)
 
-# some fields missing
-
 
-def test_29():
-    with uproot.open(skhep_testdata.data_path("uproot-issue213.root")) as file:
-        branch = file["T/eventPack/fGenInfo"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <JPetGeantEventInformation (version 3) at 0x7fd5bdeedac0>
+# def test_29():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue213.root")) as file:
+#         branch = file["T/eventPack/fGenInfo"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
+#         py[-1] == <JPetGeantEventInformation (version 3) at 0x7fd5bdeedac0>
 
 
 def test_30():
@@ -456,19 +456,19 @@ def test_44():
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 
-def test_45():
-    with uproot.open(skhep_testdata.data_path("uproot-issue485.root")) as file:
-        branch = file["MCTrack/global"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_45():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue485.root")) as file:
+#         branch = file["MCTrack/global"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [<allpix::MCTrack (version 2) at 0x7f88b9a8ad90>, ...] at 0x7f88b9a8ad00>
 
 
-def test_46():
-    with uproot.open(skhep_testdata.data_path("uproot-issue485.root")) as file:
-        branch = file["MCParticle/detector1"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_46():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue485.root")) as file:
+#         branch = file["MCParticle/detector1"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f94bc223760>, ...] at 0x7f94bc223550>
 
 
@@ -482,31 +482,30 @@ def test_47():
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f53a43c2220>, ...} at 0x7f53a44278b0>
 
 
-def test_48():
-    with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
-        branch = file["Geant4Data/Geant4Data./Geant4Data.ions"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_48():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
+#         branch = file["Geant4Data/Geant4Data./Geant4Data.ions"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         #assert py[-1]['0'][-1] == 1000020040
         # py[-1] == <STLMap {} at 0x7fda831357f0>
 
 
-def test_49():
-    with uproot.open(skhep_testdata.data_path("uproot-issue498.root")) as file:
-        branch = file["MCParticle/timepix"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_49():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue498.root")) as file:
+#         branch = file["MCParticle/timepix"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f0697bf1820>] at 0x7f0697bf1a00>
 
 
-def test_50():
-    with uproot.open(skhep_testdata.data_path("uproot-issue498.root")) as file:
-        branch = file["PixelHit/timepix"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_50():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue498.root")) as file:
+#         branch = file["PixelHit/timepix"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [] at 0x7f769cbf0bb0>
 
-
 def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
         branch = file["EDepSimEvents/Event/Primaries/Primaries.GeneratorName"]

From 15f8bff371f3c0c018a81d3f90b58e827ea68a7d Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 21 Aug 2022 23:04:36 +0530
Subject: [PATCH 19/41] solved one Events class bug

---
 src/uproot/containers.py                      |  4 ++-
 src/uproot/interpretation/objects.py          | 14 ++++++---
 src/uproot/streamers.py                       | 31 ++++++++++++++-----
 .../test_0637-setup-tests-for-AwkwardForth.py |  4 ++-
 4 files changed, 38 insertions(+), 15 deletions(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 8de665d93..7f6dfd544 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1179,14 +1179,16 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                             chunk, cursor, context, file, member_index
                         )
         else:
+            print(cursor._index, 'errererer')
             length = cursor.field(chunk, _stl_container_size, context)
+            print(cursor._index, 'errererer')
             if helper_obj.is_forth():
                 key = forth_obj.get_keys(1)
                 form_key = f"part0-node{key}-offsets"
                 helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
                 helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
                 helper_obj.add_to_pre(
-                    f"stream !I-> stack\ndup part0-node{key}-offsets +<- stack\n"
+                    f"stream !I-> stack\n dup part0-node{key}-offsets +<- stack\n"
                 )
                 # helper_obj.add_to_post("loop\n")
                 if forth_obj.should_add_form():
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 4a118e71c..b74b417af 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -259,14 +259,18 @@ def basket_array_forth(
                 "bytestops": numpy.array(byte_offsets[1:]),
             }
         )
+        print(self._complete_forth_code)
+        print(temp_data[:100])
         context["forth"].vm.stack_push(len(byte_offsets) - 1)
         context["forth"].vm.resume()
         container = {}
-        for elem in self._forth_form_keys:
-            if "offsets" in elem:
-                container[elem] = context["forth"].vm.output_Index64(elem)
-            else:
-                container[elem] = context["forth"].vm.output_NumpyArray(elem)
+        print(context["forth"].vm.outputs)
+        # for elem in self._forth_form_keys:
+        #     if "offsets" in elem:
+        #         container[elem] = context["forth"].vm.output_Index64(elem)
+        #     else:
+        #         container[elem] = context["forth"].vm.output_NumpyArray(elem)
+        container = context["forth"].vm.outputs
         output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
 
         self.hook_after_basket_array(
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 013fc2a4d..6dfba8158 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -15,6 +15,8 @@
 import uproot
 import uproot._awkward_forth
 
+COUNT_NAMES = []
+
 _canonical_typename_patterns = [
     (re.compile(r"\bChar_t\b"), "char"),
     (re.compile(r"\bUChar_t\b"), "unsigned char"),
@@ -206,6 +208,9 @@ def class_code(self):
         Returns Python code as a string that, when evaluated, would be a suitable
         :doc:`uproot.model.VersionedModel` for this class and version.
         """
+        for element in self.elements:    # (self is a TStreamerInfo)
+            if element.has_member("fCountName"):
+                COUNT_NAMES.append(element.member("fCountName"))
         read_members = [
             "    def read_members(self, chunk, cursor, context, file):",
             "        import uproot._awkward_forth",
@@ -805,6 +810,7 @@ def class_code(
                 """
         if context.get('speedbump', True):
             cursor.skip(1)
+            print(cursor._index, 'ioioioio')
             if helper_obj.is_forth():
                 helper_obj.add_to_pre('1 stream skip \\n')
 """.strip(
@@ -830,13 +836,16 @@ def class_code(
             read_members.append(
                 f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
-            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f"{{self.member({self.count_name!r})}} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
+            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
             read_members.append('                if forth_obj.should_add_form():')
             read_members.append('                        forth_obj.add_form_key(form_key)')
             read_members.append('                        forth_obj.add_form_key(form_key2)')
 
         read_members.append(
-            f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);"
+            f"        print(type(self.member({self.count_name!r})), 'YUYUYUYUY');\n"
+        )
+        read_members.append(
+            f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);\n        print(self.member({self.count_name!r}), 'nmnmnmnm')\n"
         )
         read_member_n.append("    " + read_members[-1])
 
@@ -951,9 +960,15 @@ def class_code(
                     read_members.append(
                         f'                content["{fields[-1][0]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                     )
-                    read_members.append(
-                        f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> part0-node{{key}}-data\\n stream pos .s cr drop\\n")'
-                    )
+                    if fields[-1][0] in COUNT_NAMES:
+                        read_members.append(
+                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup part0-node{{key}}-data <- stack\\n")'
+                        )
+                    else:
+                        read_members.append(
+                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> part0-node{{key}}-data\\n")'
+                        )
+
                     read_members.append(
                         "                if forth_obj.should_add_form():"
                     )
@@ -1007,7 +1022,7 @@ def class_code(
             read_members.append('                key = forth_obj.get_keys(1)')
             read_members.append('                key2 = forth_obj.get_keys(1)')
             read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append('                form_key2 = f"part0-node{key2}-data"')
+            read_members.append('                form_key2 = f"part0-node{key2}-offsets"')
             read_members.append(
                 f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
@@ -1016,7 +1031,7 @@ def class_code(
             )
             read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
             read_members.append(
-                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "primitive": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
+                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
             read_members.append(f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n')
             read_members.append('                if forth_obj.should_add_form():')
@@ -1289,7 +1304,7 @@ def class_code(
             "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )
         read_members.append(
-            f"        self._members[{self.name!r}] = self._stl_container{len(containers)}.read(chunk, cursor, context, file, self._file, self.concrete)"
+            f"        self._members[{self.name!r}] = self._stl_container{len(containers)}.read(chunk, cursor, context, file, self._file, self.concrete)\n        print(cursor._index)"
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 5642ee1a7..e6befba33 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -452,7 +452,9 @@ def test_44():
     with uproot.open(skhep_testdata.data_path("uproot-issue46.root")) as file:
         branch = file["tree/evt"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[0]['1'][-1] == True
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 

From 1c86a88eb61b1bfbc200e7345f24028483097650 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 28 Aug 2022 13:29:44 +0530
Subject: [PATCH 20/41] fixed last bug

---
 src/uproot/_awkward_forth.py                  | 78 +++++++++++++++++--
 src/uproot/containers.py                      | 12 ++-
 src/uproot/interpretation/objects.py          |  9 ++-
 src/uproot/models/TString.py                  | 39 +++++++++-
 src/uproot/streamers.py                       | 29 ++++---
 .../test_0637-setup-tests-for-AwkwardForth.py |  4 +-
 6 files changed, 137 insertions(+), 34 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 7a513c3f4..07fe6147b 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -37,6 +37,7 @@ def __init__(self, aform=None, count_obj=0, var_set=False):
         self.dummy_aform = None
         self.aform = aform
         self.top_form = None
+        self.prev_form = None
         self.awkward_model = {"name": "TOP", "content": {}}
         self._prev_node = self.awkward_model
         self.ref_list = []
@@ -55,6 +56,7 @@ def traverse_aform(self):
 
     def replace_form_and_model(self, form, model):
         temp_node = self.awkward_model
+        temp_prev_form = self.prev_form
         temp_node_top = self._prev_node
         self.awkward_model = model
         self._prev_node = self.awkward_model
@@ -62,7 +64,7 @@ def replace_form_and_model(self, form, model):
         temp_form_top = self.top_form
         self.top_form = None
         self.aform = form
-        return temp_node, temp_node_top, temp_form, temp_form_top
+        return temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form
 
     def get_code_recursive(self, node):
         print(node, 'aass')
@@ -86,7 +88,13 @@ def should_add_form(self):
             if self.awkward_model["content"] is None:
                 return False
             else:
-                return not bool(self.awkward_model["content"])
+                print(self.awkward_model['content'].keys)
+                if len(self.awkward_model['content'].keys()) == 0:
+                    return True
+                elif self.awkward_model['content']['name'] == 'dynamic':
+                    return True
+                else:
+                    return False
 
     def get_temp_form_top(self):
         return self.top_dummy
@@ -97,6 +105,7 @@ def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.dummy_form = temp_flag
 
     def add_form(self, aform, conlen=0, traverse=1):
+        print(self.var_set, 'ARARARARR')
         if self.dummy_form:
             if self.dummy_aform is None:
                 self.dummy_aform = aform
@@ -126,17 +135,51 @@ def add_form(self, aform, conlen=0, traverse=1):
                 if "content" in self.aform.keys():
                     if self.aform["content"] == "NULL":
                         self.aform["content"] = aform
+                        self.prev_form = self.aform
                         if traverse == 2:
                             self.aform = self.aform["content"]["content"]
+                            self.prev_form = self.prev_form["content"]
                         else:
                             self.aform = self.aform["content"]
                     else:
                         raise ValueError
                 elif "contents" in self.aform.keys():
-                    if len(self.aform["contents"]) == conlen:
-                        return
+                    if self.aform['class'] == 'RecordArray':
+                        if self.prev_form != None:
+                            self.prev_form['content'] = aform
+                            self.aform = aform
+                        else:
+                            self.top_form = aform
+                            self.aform = aform
+                        # for elem in aform['contents'].keys():
+                        #     if self.depth(self.aform['contents'][elem])< self.depth(aform['contents'][elem]):
+                        #         aform['contents'][elem] = self.replace_keys(self.aform['contents'][elem],aform['contents'][elem])
+                        #         self.aform['contents'][elem] = aform['contents'][elem]
+                    elif len(self.aform["contents"]) == conlen:
+                        pass
                     else:
                         raise ValueError
+    def depth(self,form):
+        count = 0
+        temp = form
+        while 'content' in temp.keys():
+            count += 1
+            if isinstance(temp['content'],str):
+                break
+            temp = temp['content']
+        return count
+    def replace_keys(self, old, new):
+        temp = new
+        print('++++++++++++++++++++++')
+        print(old, new)
+        print('++++++++++++++++++++++')
+        while old != 'NULL':
+            new['form_key'] = old['form_key']
+            new = new['content']
+            old = old['content']
+        print(temp)
+        return temp
+
 
     def get_keys(self, num_keys):
         if num_keys == 1:
@@ -206,9 +249,30 @@ def add_node(
                 self.awkward_model = self.awkward_model["content"]
                 return temp_obj
             else:
-                temp_node = self.awkward_model
-                self.awkward_model = self.awkward_model["content"]
-                return temp_node
+                if self.awkward_model['content'] != None:
+                    print(self.awkward_model['content'])
+                    if self.awkward_model['content']['name'] == 'dynamic':
+                        temp_obj = {
+                        "name": name,
+                        "type": dtype,
+                        "pre_code": precode,
+                        "post_code": postcode,
+                        "init_code": initcode,
+                        "header_code": headercode,
+                        "num_child": num_child,
+                        "content": content,
+                    }
+                        self.awkward_model['content'] = temp_obj
+                        self.awkward_model = self.awkward_model["content"]
+                        return temp_obj
+                    else:
+                        temp_node = self.awkward_model
+                        self.awkward_model = self.awkward_model["content"]
+                        return temp_node
+                else:
+                    temp_node = self.awkward_model
+                    self.awkward_model = self.awkward_model["content"]
+                    return temp_node
         if isinstance(self.awkward_model, list):
             for elem in self.awkward_model:
                 if name in elem.values():
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 7f6dfd544..08c1541e6 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -481,7 +481,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
         if helper_obj.is_forth():
-            print('afefe')
             #raise NotImplementedError
             forth_obj = helper_obj.get_gen_obj()
             keys = forth_obj.get_keys(2)
@@ -1179,9 +1178,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                             chunk, cursor, context, file, member_index
                         )
         else:
-            print(cursor._index, 'errererer')
             length = cursor.field(chunk, _stl_container_size, context)
-            print(cursor._index, 'errererer')
             if helper_obj.is_forth():
                 key = forth_obj.get_keys(1)
                 form_key = f"part0-node{key}-offsets"
@@ -1202,7 +1199,6 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 if not isinstance(self._values, numpy.dtype):
                     helper_obj.add_to_pre("0 do\n")
                     helper_obj.add_to_post("loop\n")
-                    print('ADFAEF')
                 temp = forth_obj.add_node(
                     f"node{key}",
                     helper_obj.get_pre(),
@@ -1217,12 +1213,17 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
+            if helper_obj.is_forth():
+                print(forth_obj.var_set,'=========================================')
 
             values = _read_nested(
                 self._values, length, chunk, cursor, context, file, selffile, parent
             )
 
         if helper_obj.is_forth():
+            print('=========================================')
+            print(forth_obj.top_form)
+            print('=========================================')
             forth_obj.go_to(temp)
 
         out = STLVector(values)
@@ -1561,6 +1562,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_node_top,
                     temp_form,
                     temp_form_top,
+                    temp_prev_form
                 ) = forth_obj.replace_form_and_model(
                     None, temp
                 )
@@ -1585,6 +1587,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_node_top1,
                     temp_form1,
                     temp_form_top1,
+                    temp_prev_form1
                 ) = forth_obj.replace_form_and_model(
                     None, temp
                 )
@@ -1619,6 +1622,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 forth_obj._prev_node = temp_node_top
                 forth_obj.aform = temp_form
                 forth_obj.top_form = temp_form_top
+                forth_obj.prev_form = temp_prev_form
                 aform = {
                     "class": "ListOffsetArray",
                     "offsets": "i64",
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index b74b417af..a6299b6d0 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -259,18 +259,19 @@ def basket_array_forth(
                 "bytestops": numpy.array(byte_offsets[1:]),
             }
         )
-        print(self._complete_forth_code)
-        print(temp_data[:100])
         context["forth"].vm.stack_push(len(byte_offsets) - 1)
         context["forth"].vm.resume()
         container = {}
-        print(context["forth"].vm.outputs)
         # for elem in self._forth_form_keys:
         #     if "offsets" in elem:
         #         container[elem] = context["forth"].vm.output_Index64(elem)
         #     else:
         #         container[elem] = context["forth"].vm.output_NumpyArray(elem)
         container = context["forth"].vm.outputs
+        # print('==================================')
+        # print(self._form)
+        # print('==================================')
+        # print('==================================')
         output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
 
         self.hook_after_basket_array(
@@ -326,7 +327,7 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 self._forth_form_keys = tuple(context["forth"].gen.form_keys)
                 self._form = context["forth"].gen.top_form
                 return None  # we should re-read all the data with Forth
-
+            print()
         return output  # Forth-generation was unsuccessful: this is Python output
 
     def _assemble_forth(self, forth_obj, awkward_model):
diff --git a/src/uproot/models/TString.py b/src/uproot/models/TString.py
index 6e07d4d2b..8fa278291 100644
--- a/src/uproot/models/TString.py
+++ b/src/uproot/models/TString.py
@@ -4,9 +4,9 @@
 This module defines a versionless model of ``TString``.
 """
 
-
+import json
 import uproot
-
+import uproot._awkward_forth
 
 class Model_TString(uproot.model.Model, str):
     """
@@ -19,6 +19,12 @@ def read_numbytes_version(self, chunk, cursor, context):
         pass
 
     def read_members(self, chunk, cursor, context, file):
+        helper_obj = uproot._awkward_forth.GenHelper(context)
+        if helper_obj.is_forth():
+            forth_obj = helper_obj.get_gen_obj()
+            keys = forth_obj.get_keys(2)
+            offsets_num = keys[0]
+            data_num = keys[1]
         if self.is_memberwise:
             raise NotImplementedError(
                 """memberwise serialization of {}
@@ -26,6 +32,35 @@ def read_members(self, chunk, cursor, context, file):
                     type(self).__name__, self.file.file_path
                 )
             )
+        if helper_obj.is_forth():
+                helper_obj.add_to_pre(
+                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
+                )
+                if forth_obj.should_add_form():
+                    temp_aform = {"class": "ListOffsetArray", "offsets": "i64", "content": {"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": False, "parameters": {"__array__": "char"}, "form_key": f"node{data_num}"}, "has_identifier": False, "parameters": {"__array__": "string" ,"uproot": {"as": "TString", "header": False}}, "form_key": f"node{offsets_num}"}
+                    forth_obj.add_form(temp_aform)
+
+                    form_keys = [
+                        f"part0-node{data_num}-data",
+                        f"part0-node{offsets_num}-offsets",
+                    ]
+                    for elem in form_keys:
+                        forth_obj.add_form_key(elem)
+                helper_obj.add_to_header(
+                    f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
+                )
+                helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
+                temp_form = forth_obj.add_node(
+                    f"node{offsets_num}",
+                    helper_obj.get_pre(),
+                    helper_obj.get_post(),
+                    helper_obj.get_init(),
+                    helper_obj.get_header(),
+                    "i64",
+                    0,
+                    None,
+                )
+                forth_obj.go_to(temp_form)
         self._data = cursor.string(chunk, context)
 
     def postprocess(self, chunk, cursor, context, file):
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 6dfba8158..5b1bb2c3d 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -691,14 +691,14 @@ def class_code(
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
         # raise NotImplementedError
         read_members.append(
-            "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
+            "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )
         read_members.append(
             f"        self._bases.append(c({self.name!r}, {self.base_version!r}).read(chunk, cursor, context, file, self._file, self._parent, concrete=self.concrete))"
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_node,'OPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                #print(forth_obj._prev_node,'??????',forth_obj.awkward_model, '======',temp_model1, '/////////')\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_node,'OPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                #print(forth_obj._prev_node,'??????',forth_obj.awkward_model, '======',temp_model1, '/////////')\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
@@ -810,7 +810,6 @@ def class_code(
                 """
         if context.get('speedbump', True):
             cursor.skip(1)
-            print(cursor._index, 'ioioioio')
             if helper_obj.is_forth():
                 helper_obj.add_to_pre('1 stream skip \\n')
 """.strip(
@@ -834,16 +833,13 @@ def class_code(
             )
             read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
             read_members.append(
-                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
+                f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
-            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
+            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
             read_members.append('                if forth_obj.should_add_form():')
             read_members.append('                        forth_obj.add_form_key(form_key)')
             read_members.append('                        forth_obj.add_form_key(form_key2)')
 
-        read_members.append(
-            f"        print(type(self.member({self.count_name!r})), 'YUYUYUYUY');\n"
-        )
         read_members.append(
             f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);\n        print(self.member({self.count_name!r}), 'nmnmnmnm')\n"
         )
@@ -958,11 +954,12 @@ def class_code(
                         f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[-1][0])}\\n")'
                     )
                     read_members.append(
-                        f'                content["{fields[-1][0]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
+                        f'                content[{fields[-1][0]!r}] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                     )
                     if fields[-1][0] in COUNT_NAMES:
+                        read_members.append(f'                helper_obj.add_to_init(f"variable var_{fields[-1][0]}\\n")')
                         read_members.append(
-                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup part0-node{{key}}-data <- stack\\n")'
+                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup var_{fields[-1][0]} ! part0-node{{key}}-data <- stack\\n")'
                         )
                     else:
                         read_members.append(
@@ -976,7 +973,7 @@ def class_code(
                         "                        forth_obj.add_form_key(form_key)"
                     )
                     read_members.append(
-                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)\n        print(cursor._index)"
+                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)\n        #print(cursor._index)"
                     )
 
                 else:
@@ -991,7 +988,7 @@ def class_code(
                         )
                         # read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
                         read_members.append(
-                            f'           content["{fields[0][i]}"] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[0][i])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
+                            f'           content[{fields[0][i]!r}] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[0][i])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                         )
                         read_members.append(
                             f'           helper_obj.add_to_pre(f"stream !{formats[0][i]}-> part0-node{{key}}-data\\n")'
@@ -1031,7 +1028,7 @@ def class_code(
             )
             read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
             read_members.append(
-                f'                content["{self.name!r}"] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
+                f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
             read_members.append(f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n')
             read_members.append('                if forth_obj.should_add_form():')
@@ -1301,14 +1298,14 @@ def class_code(
 
         # @aryan26roy: test_0637's 35,38,39,44,45,47,50,56
         read_members.append(
-            "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
+            "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )
         read_members.append(
             f"        self._members[{self.name!r}] = self._stl_container{len(containers)}.read(chunk, cursor, context, file, self._file, self.concrete)\n        print(cursor._index)"
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_form1,'OPOPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                print({self.name!r},'opopopopo')\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                print(temp_form1,'OPOPOPO', {len(containers)})\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                #print({self.name!r},'opopopopo')\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         strided_interpretation.append(
             f"        members.append(({self.name!r}, cls._stl_container{len(containers)}.strided_interpretation(file, header, tobject_header, breadcrumbs)))"
@@ -1539,7 +1536,7 @@ def class_code(
         # @aryan26roy: test_0637's 01,02,29,45,46,49,50,56
 
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                #print(temp_node,'OPOPOOP')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                temp_var = forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content['{self.name}'] = temp_form1\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                #print(temp_form1,'OPOPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                #print({self.name!r},'opopopopo')\n                print(temp_form_top,'========')\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         read_member_n.append(
             "    "
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index e6befba33..86aa5a4af 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -563,7 +563,9 @@ def test_56():
     ) as file:
         branch = file["tree/evt"]
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+        interp._forth = True
+        py = branch.array(interp, library="ak", entry_stop=2)
+        assert py[1]['SliceU64'][0] == 1
         # py[-1] == <Event (version 1) at 0x7fecdbf61dc0>
 
 

From 7f35e2c3c8202cfc6f8e9a35146f455be9c50517 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 28 Aug 2022 13:34:59 +0530
Subject: [PATCH 21/41] removed all debug statements

---
 src/uproot/_awkward_forth.py         |  8 --------
 src/uproot/containers.py             |  6 +-----
 src/uproot/interpretation/objects.py |  9 ---------
 src/uproot/models/TRef.py            |  3 ---
 src/uproot/streamers.py              | 14 +++++++-------
 5 files changed, 8 insertions(+), 32 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 07fe6147b..ac0ab2297 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -67,7 +67,6 @@ def replace_form_and_model(self, form, model):
         return temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form
 
     def get_code_recursive(self, node):
-        print(node, 'aass')
         if 'content' in node.keys():
             if node['content'] is None:
                 return ''.join(node['pre_code']), ''.join(node['post_code']) , node['init_code'], node['header_code']
@@ -88,7 +87,6 @@ def should_add_form(self):
             if self.awkward_model["content"] is None:
                 return False
             else:
-                print(self.awkward_model['content'].keys)
                 if len(self.awkward_model['content'].keys()) == 0:
                     return True
                 elif self.awkward_model['content']['name'] == 'dynamic':
@@ -105,7 +103,6 @@ def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.dummy_form = temp_flag
 
     def add_form(self, aform, conlen=0, traverse=1):
-        print(self.var_set, 'ARARARARR')
         if self.dummy_form:
             if self.dummy_aform is None:
                 self.dummy_aform = aform
@@ -170,14 +167,10 @@ def depth(self,form):
         return count
     def replace_keys(self, old, new):
         temp = new
-        print('++++++++++++++++++++++')
-        print(old, new)
-        print('++++++++++++++++++++++')
         while old != 'NULL':
             new['form_key'] = old['form_key']
             new = new['content']
             old = old['content']
-        print(temp)
         return temp
 
 
@@ -250,7 +243,6 @@ def add_node(
                 return temp_obj
             else:
                 if self.awkward_model['content'] != None:
-                    print(self.awkward_model['content'])
                     if self.awkward_model['content']['name'] == 'dynamic':
                         temp_obj = {
                         "name": name,
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 08c1541e6..e69ef3f2f 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1213,17 +1213,13 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
-            if helper_obj.is_forth():
-                print(forth_obj.var_set,'=========================================')
 
             values = _read_nested(
                 self._values, length, chunk, cursor, context, file, selffile, parent
             )
 
         if helper_obj.is_forth():
-            print('=========================================')
-            print(forth_obj.top_form)
-            print('=========================================')
+
             forth_obj.go_to(temp)
 
         out = STLVector(values)
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index a6299b6d0..27659beab 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -262,16 +262,7 @@ def basket_array_forth(
         context["forth"].vm.stack_push(len(byte_offsets) - 1)
         context["forth"].vm.resume()
         container = {}
-        # for elem in self._forth_form_keys:
-        #     if "offsets" in elem:
-        #         container[elem] = context["forth"].vm.output_Index64(elem)
-        #     else:
-        #         container[elem] = context["forth"].vm.output_NumpyArray(elem)
         container = context["forth"].vm.outputs
-        # print('==================================')
-        # print(self._form)
-        # print('==================================')
-        # print('==================================')
         output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
 
         self.hook_after_basket_array(
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index 6ae1e557c..16e65a54d 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -149,9 +149,6 @@ def read_members(self, chunk, cursor, context, file):
                 f"part0-node{form_keys[2]}-data",
                 f"part0-node{form_keys[5]}-data",
             ]
-            # print("===========================================")
-            # print(not bool(forth_obj.awkward_model["content"]), "YUYIYIIy")
-            # print("===========================================")
             if forth_obj.should_add_form():
                 for elem in keys:
                     forth_obj.add_form_key(elem)
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 5b1bb2c3d..6045051dd 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -698,7 +698,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                print(temp_node,'OPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                #print(forth_obj._prev_node,'??????',forth_obj.awkward_model, '======',temp_model1, '/////////')\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
@@ -841,7 +841,7 @@ def class_code(
             read_members.append('                        forth_obj.add_form_key(form_key2)')
 
         read_members.append(
-            f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);\n        print(self.member({self.count_name!r}), 'nmnmnmnm')\n"
+            f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);\n"
         )
         read_member_n.append("    " + read_members[-1])
 
@@ -973,7 +973,7 @@ def class_code(
                         "                        forth_obj.add_form_key(form_key)"
                     )
                     read_members.append(
-                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)\n        #print(cursor._index)"
+                        f"        self._members[{fields[-1][0]!r}] = cursor.field(chunk, self._format{len(formats) - 1}, context)"
                     )
 
                 else:
@@ -1035,7 +1035,7 @@ def class_code(
             read_members.append('                        forth_obj.add_form_key(form_key)')
             read_members.append('                        forth_obj.add_form_key(form_key2)')
             read_members.append(
-                f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)\n        #print(cursor._index,'\\n' ,chunk._raw_data);"
+                f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)"
             )
             dtypes.append(_ftype_to_dtype(self.fType))
 
@@ -1301,11 +1301,11 @@ def class_code(
             "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )
         read_members.append(
-            f"        self._members[{self.name!r}] = self._stl_container{len(containers)}.read(chunk, cursor, context, file, self._file, self.concrete)\n        print(cursor._index)"
+            f"        self._members[{self.name!r}] = self._stl_container{len(containers)}.read(chunk, cursor, context, file, self._file, self.concrete)"
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                print(temp_form1,'OPOPOPO', {len(containers)})\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                #print({self.name!r},'opopopopo')\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         strided_interpretation.append(
             f"        members.append(({self.name!r}, cls._stl_container{len(containers)}.strided_interpretation(file, header, tobject_header, breadcrumbs)))"
@@ -1536,7 +1536,7 @@ def class_code(
         # @aryan26roy: test_0637's 01,02,29,45,46,49,50,56
 
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                #print(temp_form1,'OPOPOPO')\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                #print({self.name!r},'opopopopo')\n                print(temp_form_top,'========')\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         read_member_n.append(
             "    "

From f7388cb9b0cd732e02529962304f96ff71fe1236 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 5 Sep 2022 14:36:58 +0000
Subject: [PATCH 22/41] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/uproot/_awkward_forth.py                  |  73 ++++++------
 src/uproot/containers.py                      |  28 ++---
 src/uproot/models/TDatime.py                  |  20 +++-
 src/uproot/models/TString.py                  |  75 +++++++-----
 src/uproot/streamers.py                       |  64 ++++++----
 .../test_0637-setup-tests-for-AwkwardForth.py | 112 +++++++++---------
 6 files changed, 214 insertions(+), 158 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index ac0ab2297..2b46a9df4 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -5,6 +5,7 @@
 """
 
 import numpy as np
+
 import uproot.containers
 
 symbol_dict = {
@@ -67,29 +68,34 @@ def replace_form_and_model(self, form, model):
         return temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form
 
     def get_code_recursive(self, node):
-        if 'content' in node.keys():
-            if node['content'] is None:
-                return ''.join(node['pre_code']), ''.join(node['post_code']) , node['init_code'], node['header_code']
+        if "content" in node.keys():
+            if node["content"] is None:
+                return (
+                    "".join(node["pre_code"]),
+                    "".join(node["post_code"]),
+                    node["init_code"],
+                    node["header_code"],
+                )
             else:
                 pre, post, init, header = self.get_code_recursive(node["content"])
-                pre2 = ''.join(node['pre_code'])
+                pre2 = "".join(node["pre_code"])
                 pre2 = pre2 + pre
-                post2 = ''.join(node['post_code'])
+                post2 = "".join(node["post_code"])
                 post2 = post2 + post
-                init = node['init_code'] + init
-                header = node['header_code'] + header
+                init = node["init_code"] + init
+                header = node["header_code"] + header
                 return pre2, post2, init, header
         elif self.var_set:
-            return '', '', '', ''
+            return "", "", "", ""
 
     def should_add_form(self):
         if "content" in self.awkward_model.keys():
             if self.awkward_model["content"] is None:
                 return False
             else:
-                if len(self.awkward_model['content'].keys()) == 0:
+                if len(self.awkward_model["content"].keys()) == 0:
                     return True
-                elif self.awkward_model['content']['name'] == 'dynamic':
+                elif self.awkward_model["content"]["name"] == "dynamic":
                     return True
                 else:
                     return False
@@ -141,9 +147,9 @@ def add_form(self, aform, conlen=0, traverse=1):
                     else:
                         raise ValueError
                 elif "contents" in self.aform.keys():
-                    if self.aform['class'] == 'RecordArray':
+                    if self.aform["class"] == "RecordArray":
                         if self.prev_form != None:
-                            self.prev_form['content'] = aform
+                            self.prev_form["content"] = aform
                             self.aform = aform
                         else:
                             self.top_form = aform
@@ -156,24 +162,25 @@ def add_form(self, aform, conlen=0, traverse=1):
                         pass
                     else:
                         raise ValueError
-    def depth(self,form):
+
+    def depth(self, form):
         count = 0
         temp = form
-        while 'content' in temp.keys():
+        while "content" in temp.keys():
             count += 1
-            if isinstance(temp['content'],str):
+            if isinstance(temp["content"], str):
                 break
-            temp = temp['content']
+            temp = temp["content"]
         return count
+
     def replace_keys(self, old, new):
         temp = new
-        while old != 'NULL':
-            new['form_key'] = old['form_key']
-            new = new['content']
-            old = old['content']
+        while old != "NULL":
+            new["form_key"] = old["form_key"]
+            new = new["content"]
+            old = old["content"]
         return temp
 
-
     def get_keys(self, num_keys):
         if num_keys == 1:
             key = self.count_obj
@@ -242,19 +249,19 @@ def add_node(
                 self.awkward_model = self.awkward_model["content"]
                 return temp_obj
             else:
-                if self.awkward_model['content'] != None:
-                    if self.awkward_model['content']['name'] == 'dynamic':
+                if self.awkward_model["content"] != None:
+                    if self.awkward_model["content"]["name"] == "dynamic":
                         temp_obj = {
-                        "name": name,
-                        "type": dtype,
-                        "pre_code": precode,
-                        "post_code": postcode,
-                        "init_code": initcode,
-                        "header_code": headercode,
-                        "num_child": num_child,
-                        "content": content,
-                    }
-                        self.awkward_model['content'] = temp_obj
+                            "name": name,
+                            "type": dtype,
+                            "pre_code": precode,
+                            "post_code": postcode,
+                            "init_code": initcode,
+                            "header_code": headercode,
+                            "num_child": num_child,
+                            "content": content,
+                        }
+                        self.awkward_model["content"] = temp_obj
                         self.awkward_model = self.awkward_model["content"]
                         return temp_obj
                     else:
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 731d055e6..09f1516ce 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -105,13 +105,13 @@ def _read_nested(
                 temp_count = context["forth"].gen.count_obj
             for i in range(length):
                 if helper_obj.is_forth():
-                    if 'temp_ref' in context.keys():
-                        context["forth"].gen.go_to(context['temp_ref'])
+                    if "temp_ref" in context.keys():
+                        context["forth"].gen.go_to(context["temp_ref"])
                     context["forth"].gen.count_obj = temp_count
                 values[i] = model.read(chunk, cursor, context, file, selffile, parent)
         if helper_obj.is_forth():
-            if 'temp_ref' in context.keys():
-                del context['temp_ref']
+            if "temp_ref" in context.keys():
+                del context["temp_ref"]
         return values
 
 
@@ -481,7 +481,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
         if helper_obj.is_forth():
-            #raise NotImplementedError
+            # raise NotImplementedError
             forth_obj = helper_obj.get_gen_obj()
             keys = forth_obj.get_keys(2)
             offsets_num = keys[0]
@@ -1207,7 +1207,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     1,
                     {},
                 )
-                context['temp_ref'] = temp
+                context["temp_ref"] = temp
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
@@ -1557,11 +1557,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_node_top,
                     temp_form,
                     temp_form_top,
-                    temp_prev_form
-                ) = forth_obj.replace_form_and_model(
-                    None, temp
-                )
-                context['temp_ref'] = temp
+                    temp_prev_form,
+                ) = forth_obj.replace_form_and_model(None, temp)
+                context["temp_ref"] = temp
             keys = _read_nested(
                 self._keys,
                 length,
@@ -1582,11 +1580,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_node_top1,
                     temp_form1,
                     temp_form_top1,
-                    temp_prev_form1
-                ) = forth_obj.replace_form_and_model(
-                    None, temp
-                )
-                context['temp_ref'] = temp
+                    temp_prev_form1,
+                ) = forth_obj.replace_form_and_model(None, temp)
+                context["temp_ref"] = temp
             if helper_obj.is_forth():
                 if not isinstance(self._keys, numpy.dtype):
                     keys_model["content"]["post_code"].append("loop\n")
diff --git a/src/uproot/models/TDatime.py b/src/uproot/models/TDatime.py
index f2adf145a..5ad2d48bd 100644
--- a/src/uproot/models/TDatime.py
+++ b/src/uproot/models/TDatime.py
@@ -5,14 +5,14 @@
 """
 
 
+import json
 import struct
 
 import numpy
 
 import uproot
-import uproot.behaviors.TDatime
 import uproot._awkward_forth
-import json
+import uproot.behaviors.TDatime
 
 _tdatime_format1 = struct.Struct(">I")
 
@@ -32,13 +32,21 @@ def read_members(self, chunk, cursor, context, file):
             key = forth_obj.get_keys(1)
             form_key = f"part0-node{key}-data"
             helper_obj.add_to_header(f"output part0-node{key}-data int32\n")
-            helper_obj.add_to_pre(
-                f"stream !I-> part0-node{key}-data\n"
-            )
+            helper_obj.add_to_pre(f"stream !I-> part0-node{key}-data\n")
             form_key = f"part0-node{key}-data"
             if forth_obj.should_add_form():
                 forth_obj.add_form_key(form_key)
-                temp_aform = {"class": "RecordArray", "contents": {'fDatime': {"class": "NumpyArray", "primitive": "uint32", "form_key": f"node{key}"}}, "parameters": {"__record__": "TDatime"}}
+                temp_aform = {
+                    "class": "RecordArray",
+                    "contents": {
+                        "fDatime": {
+                            "class": "NumpyArray",
+                            "primitive": "uint32",
+                            "form_key": f"node{key}",
+                        }
+                    },
+                    "parameters": {"__record__": "TDatime"},
+                }
                 forth_obj.add_form(temp_aform)
             temp_form = forth_obj.add_node(
                 f"node{key}",
diff --git a/src/uproot/models/TString.py b/src/uproot/models/TString.py
index 8fa278291..01505fe2c 100644
--- a/src/uproot/models/TString.py
+++ b/src/uproot/models/TString.py
@@ -5,9 +5,11 @@
 """
 
 import json
+
 import uproot
 import uproot._awkward_forth
 
+
 class Model_TString(uproot.model.Model, str):
     """
     A versionless :doc:`uproot.model.Model` for ``TString``.
@@ -33,34 +35,51 @@ def read_members(self, chunk, cursor, context, file):
                 )
             )
         if helper_obj.is_forth():
-                helper_obj.add_to_pre(
-                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
-                )
-                if forth_obj.should_add_form():
-                    temp_aform = {"class": "ListOffsetArray", "offsets": "i64", "content": {"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": False, "parameters": {"__array__": "char"}, "form_key": f"node{data_num}"}, "has_identifier": False, "parameters": {"__array__": "string" ,"uproot": {"as": "TString", "header": False}}, "form_key": f"node{offsets_num}"}
-                    forth_obj.add_form(temp_aform)
-
-                    form_keys = [
-                        f"part0-node{data_num}-data",
-                        f"part0-node{offsets_num}-offsets",
-                    ]
-                    for elem in form_keys:
-                        forth_obj.add_form_key(elem)
-                helper_obj.add_to_header(
-                    f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
-                )
-                helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
-                temp_form = forth_obj.add_node(
-                    f"node{offsets_num}",
-                    helper_obj.get_pre(),
-                    helper_obj.get_post(),
-                    helper_obj.get_init(),
-                    helper_obj.get_header(),
-                    "i64",
-                    0,
-                    None,
-                )
-                forth_obj.go_to(temp_form)
+            helper_obj.add_to_pre(
+                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
+            )
+            if forth_obj.should_add_form():
+                temp_aform = {
+                    "class": "ListOffsetArray",
+                    "offsets": "i64",
+                    "content": {
+                        "class": "NumpyArray",
+                        "primitive": "uint8",
+                        "inner_shape": [],
+                        "has_identifier": False,
+                        "parameters": {"__array__": "char"},
+                        "form_key": f"node{data_num}",
+                    },
+                    "has_identifier": False,
+                    "parameters": {
+                        "__array__": "string",
+                        "uproot": {"as": "TString", "header": False},
+                    },
+                    "form_key": f"node{offsets_num}",
+                }
+                forth_obj.add_form(temp_aform)
+
+                form_keys = [
+                    f"part0-node{data_num}-data",
+                    f"part0-node{offsets_num}-offsets",
+                ]
+                for elem in form_keys:
+                    forth_obj.add_form_key(elem)
+            helper_obj.add_to_header(
+                f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
+            )
+            helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
+            temp_form = forth_obj.add_node(
+                f"node{offsets_num}",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                0,
+                None,
+            )
+            forth_obj.go_to(temp_form)
         self._data = cursor.string(chunk, context)
 
     def postprocess(self, chunk, cursor, context, file):
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index f65eb859d..426b9f2b4 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -208,7 +208,7 @@ def class_code(self):
         Returns Python code as a string that, when evaluated, would be a suitable
         :doc:`uproot.model.VersionedModel` for this class and version.
         """
-        for element in self.elements:    # (self is a TStreamerInfo)
+        for element in self.elements:  # (self is a TStreamerInfo)
             if element.has_member("fCountName"):
                 COUNT_NAMES.append(element.member("fCountName"))
         read_members = [
@@ -828,27 +828,37 @@ def class_code(
             )
             read_member_n.append("    " + read_members[-1].replace("\n", "\n    "))
 
-        # @aryan26roy: test_0637's 29,44,56
+            # @aryan26roy: test_0637's 29,44,56
 
-            read_members.append('        if helper_obj.is_forth():')
-            read_members.append('                key = forth_obj.get_keys(1)')
-            read_members.append('                key2 = forth_obj.get_keys(1)')
+            read_members.append("        if helper_obj.is_forth():")
+            read_members.append("                key = forth_obj.get_keys(1)")
+            read_members.append("                key2 = forth_obj.get_keys(1)")
             read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append('                form_key2 = f"part0-node{key2}-offsets"')
+            read_members.append(
+                '                form_key2 = f"part0-node{key2}-offsets"'
+            )
             read_members.append(
                 f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
                 '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
             )
-            read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
+            read_members.append(
+                '                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")'
+            )
             read_members.append(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
-            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
-            read_members.append('                if forth_obj.should_add_form():')
-            read_members.append('                        forth_obj.add_form_key(form_key)')
-            read_members.append('                        forth_obj.add_form_key(form_key2)')
+            read_members.append(
+                f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")'
+            )
+            read_members.append("                if forth_obj.should_add_form():")
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key)"
+            )
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key2)"
+            )
 
         read_members.append(
             f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);\n"
@@ -967,7 +977,9 @@ def class_code(
                         f'                content[{fields[-1][0]!r}] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                     )
                     if fields[-1][0] in COUNT_NAMES:
-                        read_members.append(f'                helper_obj.add_to_init(f"variable var_{fields[-1][0]}\\n")')
+                        read_members.append(
+                            f'                helper_obj.add_to_init(f"variable var_{fields[-1][0]}\\n")'
+                        )
                         read_members.append(
                             f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup var_{fields[-1][0]} ! part0-node{{key}}-data <- stack\\n")'
                         )
@@ -1025,25 +1037,35 @@ def class_code(
 
         else:
             # @aryan26roy: test_0637's 44,56
-            read_members.append('        if helper_obj.is_forth():')
-            read_members.append('                key = forth_obj.get_keys(1)')
-            read_members.append('                key2 = forth_obj.get_keys(1)')
+            read_members.append("        if helper_obj.is_forth():")
+            read_members.append("                key = forth_obj.get_keys(1)")
+            read_members.append("                key2 = forth_obj.get_keys(1)")
             read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append('                form_key2 = f"part0-node{key2}-offsets"')
+            read_members.append(
+                '                form_key2 = f"part0-node{key2}-offsets"'
+            )
             read_members.append(
                 f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
                 '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
             )
-            read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
+            read_members.append(
+                '                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")'
+            )
             read_members.append(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
-            read_members.append(f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n')
-            read_members.append('                if forth_obj.should_add_form():')
-            read_members.append('                        forth_obj.add_form_key(form_key)')
-            read_members.append('                        forth_obj.add_form_key(form_key2)')
+            read_members.append(
+                f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n'
+            )
+            read_members.append("                if forth_obj.should_add_form():")
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key)"
+            )
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key2)"
+            )
             read_members.append(
                 f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)"
             )
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 86aa5a4af..865169b19 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -48,7 +48,10 @@ def test_03():
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0][0] == 'Converter.hepmcStatusList = "[]";\n'
-        assert py[0][14] == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
+        assert (
+            py[0][14]
+            == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
+        )
         # py[-1] == <STLVector ['Converter.hepmcStatusList = "[]";\n', ...] at 0x7f7fc23ca2e0>
 
 
@@ -68,7 +71,7 @@ def test_04():
 #         branch = file["CollectionTree/TrigConfKeys"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <xAOD::TrigConfKeys_v1 (version 1) at 0x7fecf9212760>
+# py[-1] == <xAOD::TrigConfKeys_v1 (version 1) at 0x7fecf9212760>
 
 
 def test_06():
@@ -107,7 +110,7 @@ def test_09():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['0'][0] == 352341021
+        assert py[0][0]["0"][0] == 352341021
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
@@ -129,7 +132,7 @@ def test_11():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['0'][0] == 921521854
+        assert py[0][0]["0"][0] == 921521854
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
@@ -139,7 +142,7 @@ def test_12():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['1'][0] == 2
+        assert py[0][0]["1"][0] == 2
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
@@ -149,7 +152,7 @@ def test_13():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0]['1'][0] == 0
+        assert py[0][0]["1"][0] == 0
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 
@@ -169,7 +172,7 @@ def test_15():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1][-1]['m_persKey'] == 980095599
+        assert py[1][-1][-1]["m_persKey"] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fb9b9d24c10>], ...] at 0x7fb9b9d29250>
 
 
@@ -179,7 +182,7 @@ def test_16():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][0]['m_persKey'][0] == 980095599
+        assert py[1][0]["m_persKey"][0] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7f6e29be5cd0>], ...] at 0x7f6e29bea250>
 
 
@@ -269,7 +272,7 @@ def test_25():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == 'numuCCAnalysis'
+        assert py[0][-1] == "numuCCAnalysis"
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
 
@@ -278,7 +281,7 @@ def test_25():
 #         branch = file["config/SEL/SEL._firstSteps"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == array([<STLVector [] at 0x7f5060ef49d0>], dtype=object)
+# py[-1] == array([<STLVector [] at 0x7f5060ef49d0>], dtype=object)
 
 
 def test_27():
@@ -287,7 +290,7 @@ def test_27():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][-1] == 'muFGD+Np'
+        assert py[0][0][-1] == "muFGD+Np"
         # py[-1] == array([<STLVector ['muTPC', 'muTPC+pTPC', ..., 'muFGD+Np'] at 0x7f1d79005a90>], dtype=object)
 
 
@@ -335,7 +338,7 @@ def test_32():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == 'two'
+        assert py[-1] == "two"
         # py[-1] == "two"
 
 
@@ -345,7 +348,7 @@ def test_33():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][4]['1'][-1] == 1.0
+        assert py[0][4]["1"][-1] == 1.0
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7f4443068ca0>
 
 
@@ -355,7 +358,7 @@ def test_34():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == '$Name: geant4-10-05-patch-01 $'
+        assert py[-1] == "$Name: geant4-10-05-patch-01 $"
 
 
 def test_35():
@@ -364,7 +367,7 @@ def test_35():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['1'][0]['name'] == 'anti_alpha'
+        assert py[0]["1"][0]["name"] == "anti_alpha"
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7fb557996df0>, ...} at 0x7fb557a012e0>
 
 
@@ -374,7 +377,7 @@ def test_36():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == 'MP_F_99.'
+        assert py[0][-1] == "MP_F_99."
         # py[-1] == <STLVector ['DRIFT_0.', 'PRXSE01A.', ..., 'PRBHF_99.', 'MP_F_99.'] at 0x7f22f206df10>
 
 
@@ -384,7 +387,7 @@ def test_37():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][555]['2'] == 100.94856572890848
+        assert py[0][555]["2"] == 100.94856572890848
         # py[-1] == array([<TVector3 (version 3) at 0x7f3385c9cbe0>, <TVector3 (version 3) at 0x7f3385c9cc10>, <TVector3 (version 3) at 0x7f3385c9cc40>, ..., <TVector3 (version 3) at 0x7f3385b0cfd0>, <TVector3 (version 3) at 0x7f3385a9e040>, <TVector3 (version 3) at 0x7f3385a9e070>], dtype=object)
 
 
@@ -394,7 +397,7 @@ def test_38():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['zp'][0] == pytest.approx(0.9999998807907104)
+        assert py[0]["zp"][0] == pytest.approx(0.9999998807907104)
         # py[-1] == <BDSOutputROOTEventSampler<float> (version 4) at 0x7f9be2f7b2e0>
 
 
@@ -404,7 +407,7 @@ def test_39():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1]['0'] == -1000020030
+        assert py[-1][1]["0"] == -1000020030
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f6d05752220>, ...} at 0x7f6d057397f0>
 
 
@@ -414,7 +417,7 @@ def test_40():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['fDatime'] == 1749155840
+        assert py[0]["fDatime"] == 1749155840
         # py[-1] == <TDatime at 0x7f79c7368430>
 
 
@@ -454,7 +457,7 @@ def test_44():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['1'][-1] == True
+        assert py[0]["1"][-1] == True
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 
@@ -463,7 +466,7 @@ def test_44():
 #         branch = file["MCTrack/global"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [<allpix::MCTrack (version 2) at 0x7f88b9a8ad90>, ...] at 0x7f88b9a8ad00>
+# py[-1] == <STLVector [<allpix::MCTrack (version 2) at 0x7f88b9a8ad90>, ...] at 0x7f88b9a8ad00>
 
 
 # def test_46():
@@ -471,7 +474,7 @@ def test_44():
 #         branch = file["MCParticle/detector1"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f94bc223760>, ...] at 0x7f94bc223550>
+# py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f94bc223760>, ...] at 0x7f94bc223550>
 
 
 def test_47():
@@ -480,7 +483,7 @@ def test_47():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][-1]['1']['mass'] == pytest.approx(3.727379)
+        assert py[-1][-1]["1"]["mass"] == pytest.approx(3.727379)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f53a43c2220>, ...} at 0x7f53a44278b0>
 
 
@@ -489,8 +492,8 @@ def test_47():
 #         branch = file["Geant4Data/Geant4Data./Geant4Data.ions"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        #assert py[-1]['0'][-1] == 1000020040
-        # py[-1] == <STLMap {} at 0x7fda831357f0>
+# assert py[-1]['0'][-1] == 1000020040
+# py[-1] == <STLMap {} at 0x7fda831357f0>
 
 
 # def test_49():
@@ -498,7 +501,7 @@ def test_47():
 #         branch = file["MCParticle/timepix"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f0697bf1820>] at 0x7f0697bf1a00>
+# py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f0697bf1820>] at 0x7f0697bf1a00>
 
 
 # def test_50():
@@ -506,7 +509,8 @@ def test_47():
 #         branch = file["PixelHit/timepix"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [] at 0x7f769cbf0bb0>
+# py[-1] == <STLVector [] at 0x7f769cbf0bb0>
+
 
 def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
@@ -514,7 +518,7 @@ def test_51():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == 'GENIE:fixed@density-fixed'
+        assert py[-1] == "GENIE:fixed@density-fixed"
 
 
 def test_52():
@@ -523,7 +527,7 @@ def test_52():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1]['refs'][-1] == 2223
+        assert py[1][-1]["refs"][-1] == 2223
         # py[-1] == array([<TRefArray [2407] at 0x7f7888dff0d0>, <TRefArray [2411] at 0x7f7888dee100>, <TRefArray [2405] at 0x7f7888dff130>, <TRefArray [2406] at 0x7f7888dff1f0>, <TRefArray [2523] at 0x7f7888dff280>, <TRefArray [2352] at 0x7f7888dff310>, <TRefArray [2192] at 0x7f7888dff3a0>, <TRefArray [2425] at 0x7f7888dff430>, <TRefArray [2340] at 0x7f7888dff4c0>, <TRefArray [2533] at 0x7f7888dff550>, <TRefArray [2264] at 0x7f7888dff5e0>, <TRefArray [2263] at 0x7f7888dff670>, <TRefArray [2396] at 0x7f7888dff700>, <TRefArray [2519] at 0x7f7888dff790>, <TRefArray [2044] at 0x7f7888dff820>, <TRefArray [2273] at 0x7f7888dff8b0>, <TRefArray [2270] at 0x7f7888dff940>, <TRefArray [2388] at 0x7f7888dff9d0>, <TRefArray [2473] at 0x7f7888dffa60>, <TRefArray [2272] at 0x7f7888dffaf0>, <TRefArray [2475] at 0x7f7888dffb80>, <TRefArray [2212] at 0x7f7888dffc10>, <TRefArray [2220] at 0x7f7888dffca0>, <TRefArray [2358] at 0x7f7888dffd30>, <TRefArray [2472] at 0x7f7888dffdc0>, <TRefArray [2359] at 0x7f7888dffe50>, <TRefArray [2360] at 0x7f7888dffee0>, <TRefArray [2201] at 0x7f7888dfff70>, <TRefArray [2362] at 0x7f7888e02040>, <TRefArray [2537] at 0x7f7888e020d0>, <TRefArray [2230] at 0x7f7888e02160>, <TRefArray [2488] at 0x7f7888e021f0>, <TRefArray [2307] at 0x7f7888e02280>, <TRefArray [2570] at 0x7f7888e02310>, <TRefArray [2569] at 0x7f7888e023a0>, <TRefArray [2515] at 0x7f7888e02430>, <TRefArray [2423] at 0x7f7888e024c0>, <TRefArray [2571] at 0x7f7888e02550>, <TRefArray [2578] at 0x7f7888e025e0>, <TRefArray [2386] at 0x7f7888e02670>, <TRefArray [2579] at 0x7f7888e02700>, <TRefArray [2580] at 0x7f7888e02790>, <TRefArray [2556] at 0x7f7888e02820>, <TRefArray [2555] at 0x7f7888e028b0>, <TRefArray [2355] at 0x7f7888e02940>, <TRefArray [2222, 2223] at 0x7f7888e029d0>], dtype=object)
 
 
@@ -533,7 +537,7 @@ def test_53():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1]['fE'] == 0.0
+        assert py[0][-1]["fE"] == 0.0
         # py[-1] == array([<TLorentzVector (version 4) at 0x7f6a396bf2b0>, <TLorentzVector (version 4) at 0x7f6a396bf250>, <TLorentzVector (version 4) at 0x7f6a396bf1f0>, <TLorentzVector (version 4) at 0x7f6a396bf190>, <TLorentzVector (version 4) at 0x7f6a396bf130>, <TLorentzVector (version 4) at 0x7f6a396bf0d0>], dtype=object)
 
 
@@ -543,7 +547,7 @@ def test_54():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1][4]['fE'] == 0.0
+        assert py[0][-1][4]["fE"] == 0.0
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7f6a02cb3220>, <TLorentzVector (version 4) at 0x7f6a02cb3280>, <TLorentzVector (version 4) at 0x7f6a02cb3fd0>, <TLorentzVector (version 4) at 0x7f6a02cb3f70>, <TLorentzVector (version 4) at 0x7f6a02cb3f10>], [<TLorentzVector (version 4) at 0x7f6a02cb3eb0>, <TLorentzVector (version 4) at 0x7f6a02cb3e50>, <TLorentzVector (version 4) at 0x7f6a02cb3df0>, <TLorentzVector (version 4) at 0x7f6a02cb3d90>, <TLorentzVector (version 4) at 0x7f6a02cb3d30>], [<TLorentzVector (version 4) at 0x7f6a02cb3cd0>, <TLorentzVector (version 4) at 0x7f6a02cb3c70>, <TLorentzVector (version 4) at 0x7f6a02cb3c10>, <TLorentzVector (version 4) at 0x7f6a02cb3bb0>, <TLorentzVector (version 4) at 0x7f6a02cb3b50>], [<TLorentzVector (version 4) at 0x7f6a02cb3af0>, <TLorentzVector (version 4) at 0x7f6a02cb3a90>, <TLorentzVector (version 4) at 0x7f6a02cb3a30>, <TLorentzVector (version 4) at 0x7f6a02cb39d0>, <TLorentzVector (version 4) at 0x7f6a02cb3970>], [<TLorentzVector (version 4) at 0x7f6a02cb3910>, <TLorentzVector (version 4) at 0x7f6a02cb38b0>, <TLorentzVector (version 4) at 0x7f6a02cb3850>, <TLorentzVector (version 4) at 0x7f6a02cb34f0>, <TLorentzVector (version 4) at 0x7f6a02cb3580>], [<TLorentzVector (version 4) at 0x7f6a02cb3430>, <TLorentzVector (version 4) at 0x7f6a02cb33d0>, <TLorentzVector (version 4) at 0x7f6a02cb3370>, <TLorentzVector (version 4) at 0x7f6a02cb32e0>, <TLorentzVector (version 4) at 0x7f6a02cba910>]], dtype=object)
 
 
@@ -565,7 +569,7 @@ def test_56():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1]['SliceU64'][0] == 1
+        assert py[1]["SliceU64"][0] == 1
         # py[-1] == <Event (version 1) at 0x7fecdbf61dc0>
 
 
@@ -575,7 +579,7 @@ def test_57():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == 'two'
+        assert py[-1][1] == "two"
         # py[-1] == <STLVector ['one', 'two'] at 0x7fdeeb3f8d90>
 
 
@@ -585,7 +589,7 @@ def test_58():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1] == 'two'
+        assert py[1][1] == "two"
         # py[-1] == <STLVector ['one', 'two'] at 0x7f42edc0c0a0>
 
 
@@ -605,7 +609,7 @@ def test_60():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 'two'
+        assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7fae23700eb0>
 
 
@@ -615,7 +619,7 @@ def test_61():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 'two'
+        assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7f06ad24c460>
 
 
@@ -635,7 +639,7 @@ def test_63():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 'two'
+        assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [{'one'}, {'one', 'two'}] at 0x7fb29ded7370>
 
 
@@ -655,7 +659,7 @@ def test_65():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == 'two'
+        assert py[-1][1] == "two"
         # py[-1] == <STLSet {'one', 'two'} at 0x7f5ffd9ff1c0>
 
 
@@ -665,7 +669,7 @@ def test_66():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1]['1'][1] == 2
+        assert py[-1]["1"][1] == 2
         # py[-1] == <STLMap {1: 1, 2: 2} at 0x7f23be1efbe0>
 
 
@@ -675,7 +679,7 @@ def test_67():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {1: [1], 2: [1, 2]} at 0x7f899441d2b0>
 
 
@@ -685,7 +689,7 @@ def test_68():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {1: ['one'], 2: ['one', 'two']} at 0x7fd19d3288b0>
 
 
@@ -695,7 +699,7 @@ def test_69():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {1: {1}, 2: {1, 2}} at 0x7f2b3f1b5fa0>
 
 
@@ -705,7 +709,7 @@ def test_70():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {1: {'one'}, 2: {'one', 'two'}} at 0x7f4718b237c0>
 
 
@@ -715,7 +719,7 @@ def test_71():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'] == 2
+        assert py[1][1]["1"] == 2
         # py[-1] == <STLMap {'one': 1, 'two': 2} at 0x7f4179bed1f0>
 
 
@@ -725,7 +729,7 @@ def test_72():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {'one': [1], 'two': [1, 2]} at 0x7f26376e9b20>
 
 
@@ -735,7 +739,7 @@ def test_73():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {'one': ['one'], 'two': ['one', 'two']} at 0x7f3e45d34910>
 
 
@@ -745,7 +749,7 @@ def test_74():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {'one': {1}, 'two': {1, 2}} at 0x7f5a94b1c760>
 
 
@@ -755,7 +759,7 @@ def test_75():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {'one': {'one'}, 'two': {'one', 'two'}} at 0x7f1a1e95aa90>
 
 
@@ -765,7 +769,7 @@ def test_76():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1][1] == 2
+        assert py[1][1]["1"][1][1] == 2
         # py[-1] == <STLMap {1: [[1]], 2: [[1], [1, 2]]} at 0x7fc98bd7ec10>
 
 
@@ -775,7 +779,7 @@ def test_77():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1][1] == 2
+        assert py[1][1]["1"][1][1] == 2
         # py[-1] == <STLMap {1: [{1}], 2: [{1}, {1, 2}]} at 0x7fcf9b191610>
 
 
@@ -785,7 +789,7 @@ def test_78():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'] == 'TWO'
+        assert py[1][1]["1"] == "TWO"
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f887b27cb20>
 
 
@@ -795,7 +799,7 @@ def test_79():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'] == 'TWO'
+        assert py[1][1]["1"] == "TWO"
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f4c4e527610>
 
 
@@ -817,5 +821,5 @@ def test_81():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['1'] == pytest.approx(2.5636332035064697)
+        assert py[0]["1"] == pytest.approx(2.5636332035064697)
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>

From d0468cec89d0fe2e174f25055417deb3e936c6c2 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Mon, 5 Sep 2022 20:23:42 +0530
Subject: [PATCH 23/41] linting

---
 .github/workflows/build-test.yml              |   1 -
 src/uproot/_awkward_forth.py                  |  80 +++++++------
 src/uproot/containers.py                      |  30 ++---
 src/uproot/interpretation/objects.py          |   1 -
 src/uproot/models/TDatime.py                  |  19 ++-
 src/uproot/models/TString.py                  |  76 +++++++-----
 src/uproot/streamers.py                       |  70 +++++++----
 .../test_0637-setup-tests-for-AwkwardForth.py | 112 +++++++++---------
 8 files changed, 222 insertions(+), 167 deletions(-)

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 23a6ab103..69c4db814 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -24,7 +24,6 @@ jobs:
             python-version: "3.6"
           - platform: "windows-latest"
             python-version: "3.7"
-      fail-fast: false
 
     runs-on: "${{ matrix.platform }}"
     timeout-minutes: 30
diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index ac0ab2297..7399da599 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -5,6 +5,7 @@
 """
 
 import numpy as np
+
 import uproot.containers
 
 symbol_dict = {
@@ -22,6 +23,9 @@
 
 
 def check_depth(node):
+    """
+    This method checks the depth of the provided container
+    """
     if isinstance(node, uproot.containers.AsVector):
         return 1
 
@@ -67,29 +71,34 @@ def replace_form_and_model(self, form, model):
         return temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form
 
     def get_code_recursive(self, node):
-        if 'content' in node.keys():
-            if node['content'] is None:
-                return ''.join(node['pre_code']), ''.join(node['post_code']) , node['init_code'], node['header_code']
+        if "content" in node.keys():
+            if node["content"] is None:
+                return (
+                    "".join(node["pre_code"]),
+                    "".join(node["post_code"]),
+                    node["init_code"],
+                    node["header_code"],
+                )
             else:
                 pre, post, init, header = self.get_code_recursive(node["content"])
-                pre2 = ''.join(node['pre_code'])
+                pre2 = "".join(node["pre_code"])
                 pre2 = pre2 + pre
-                post2 = ''.join(node['post_code'])
+                post2 = "".join(node["post_code"])
                 post2 = post2 + post
-                init = node['init_code'] + init
-                header = node['header_code'] + header
+                init = node["init_code"] + init
+                header = node["header_code"] + header
                 return pre2, post2, init, header
         elif self.var_set:
-            return '', '', '', ''
+            return "", "", "", ""
 
     def should_add_form(self):
         if "content" in self.awkward_model.keys():
             if self.awkward_model["content"] is None:
                 return False
             else:
-                if len(self.awkward_model['content'].keys()) == 0:
+                if len(self.awkward_model["content"].keys()) == 0:
                     return True
-                elif self.awkward_model['content']['name'] == 'dynamic':
+                elif self.awkward_model["content"]["name"] == "dynamic":
                     return True
                 else:
                     return False
@@ -141,9 +150,9 @@ def add_form(self, aform, conlen=0, traverse=1):
                     else:
                         raise ValueError
                 elif "contents" in self.aform.keys():
-                    if self.aform['class'] == 'RecordArray':
-                        if self.prev_form != None:
-                            self.prev_form['content'] = aform
+                    if self.aform["class"] == "RecordArray":
+                        if self.prev_form is not None:
+                            self.prev_form["content"] = aform
                             self.aform = aform
                         else:
                             self.top_form = aform
@@ -156,24 +165,25 @@ def add_form(self, aform, conlen=0, traverse=1):
                         pass
                     else:
                         raise ValueError
-    def depth(self,form):
+
+    def depth(self, form):
         count = 0
         temp = form
-        while 'content' in temp.keys():
+        while "content" in temp.keys():
             count += 1
-            if isinstance(temp['content'],str):
+            if isinstance(temp["content"], str):
                 break
-            temp = temp['content']
+            temp = temp["content"]
         return count
+
     def replace_keys(self, old, new):
         temp = new
-        while old != 'NULL':
-            new['form_key'] = old['form_key']
-            new = new['content']
-            old = old['content']
+        while old != "NULL":
+            new["form_key"] = old["form_key"]
+            new = new["content"]
+            old = old["content"]
         return temp
 
-
     def get_keys(self, num_keys):
         if num_keys == 1:
             key = self.count_obj
@@ -210,7 +220,7 @@ def get_ref(self, index):
 
     def enable_adding(self):
         if "content" in self.awkward_model.keys():
-            if self.awkward_model["content"] == None:
+            if self.awkward_model["content"] is None:
                 self.awkward_model["content"] = {}
 
     def add_node_whole(self, new_node, ref_latest):
@@ -242,19 +252,19 @@ def add_node(
                 self.awkward_model = self.awkward_model["content"]
                 return temp_obj
             else:
-                if self.awkward_model['content'] != None:
-                    if self.awkward_model['content']['name'] == 'dynamic':
+                if self.awkward_model["content"] is not None:
+                    if self.awkward_model["content"]["name"] == "dynamic":
                         temp_obj = {
-                        "name": name,
-                        "type": dtype,
-                        "pre_code": precode,
-                        "post_code": postcode,
-                        "init_code": initcode,
-                        "header_code": headercode,
-                        "num_child": num_child,
-                        "content": content,
-                    }
-                        self.awkward_model['content'] = temp_obj
+                            "name": name,
+                            "type": dtype,
+                            "pre_code": precode,
+                            "post_code": postcode,
+                            "init_code": initcode,
+                            "header_code": headercode,
+                            "num_child": num_child,
+                            "content": content,
+                        }
+                        self.awkward_model["content"] = temp_obj
                         self.awkward_model = self.awkward_model["content"]
                         return temp_obj
                     else:
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 731d055e6..4fa5509cf 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -105,13 +105,13 @@ def _read_nested(
                 temp_count = context["forth"].gen.count_obj
             for i in range(length):
                 if helper_obj.is_forth():
-                    if 'temp_ref' in context.keys():
-                        context["forth"].gen.go_to(context['temp_ref'])
+                    if "temp_ref" in context.keys():
+                        context["forth"].gen.go_to(context["temp_ref"])
                     context["forth"].gen.count_obj = temp_count
                 values[i] = model.read(chunk, cursor, context, file, selffile, parent)
         if helper_obj.is_forth():
-            if 'temp_ref' in context.keys():
-                del context['temp_ref']
+            if "temp_ref" in context.keys():
+                del context["temp_ref"]
         return values
 
 
@@ -481,7 +481,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         helper_obj = uproot._awkward_forth.GenHelper(context)
 
         if helper_obj.is_forth():
-            #raise NotImplementedError
+            # raise NotImplementedError
             forth_obj = helper_obj.get_gen_obj()
             keys = forth_obj.get_keys(2)
             offsets_num = keys[0]
@@ -1207,7 +1207,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     1,
                     {},
                 )
-                context['temp_ref'] = temp
+                context["temp_ref"] = temp
 
             if length == 0 and helper_obj.is_forth():
                 forth_obj.var_set = True
@@ -1557,11 +1557,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_node_top,
                     temp_form,
                     temp_form_top,
-                    temp_prev_form
-                ) = forth_obj.replace_form_and_model(
-                    None, temp
-                )
-                context['temp_ref'] = temp
+                    temp_prev_form,
+                ) = forth_obj.replace_form_and_model(None, temp)
+                context["temp_ref"] = temp
             keys = _read_nested(
                 self._keys,
                 length,
@@ -1582,11 +1580,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     temp_node_top1,
                     temp_form1,
                     temp_form_top1,
-                    temp_prev_form1
-                ) = forth_obj.replace_form_and_model(
-                    None, temp
-                )
-                context['temp_ref'] = temp
+                    temp_prev_form1,
+                ) = forth_obj.replace_form_and_model(None, temp)
+                context["temp_ref"] = temp
             if helper_obj.is_forth():
                 if not isinstance(self._keys, numpy.dtype):
                     keys_model["content"]["post_code"].append("loop\n")
@@ -1632,7 +1628,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     forth_obj.add_form_key(form_key)
                     forth_obj.add_form(aform)
                 temp = forth_obj.add_node(
-                    f"nodeMap",
+                    "nodeMap",
                     helper_obj.get_pre(),
                     helper_obj.get_post(),
                     helper_obj.get_init(),
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index ff32ad8f0..d2c99a94f 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -281,7 +281,6 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 self._forth_form_keys = tuple(context["forth"].gen.form_keys)
                 self._form = context["forth"].gen.top_form
                 return None  # we should re-read all the data with Forth
-            print()
         return output  # Forth-generation was unsuccessful: this is Python output
 
     def _assemble_forth(self, forth_obj, awkward_model):
diff --git a/src/uproot/models/TDatime.py b/src/uproot/models/TDatime.py
index f2adf145a..23bdec5f8 100644
--- a/src/uproot/models/TDatime.py
+++ b/src/uproot/models/TDatime.py
@@ -10,9 +10,8 @@
 import numpy
 
 import uproot
-import uproot.behaviors.TDatime
 import uproot._awkward_forth
-import json
+import uproot.behaviors.TDatime
 
 _tdatime_format1 = struct.Struct(">I")
 
@@ -32,13 +31,21 @@ def read_members(self, chunk, cursor, context, file):
             key = forth_obj.get_keys(1)
             form_key = f"part0-node{key}-data"
             helper_obj.add_to_header(f"output part0-node{key}-data int32\n")
-            helper_obj.add_to_pre(
-                f"stream !I-> part0-node{key}-data\n"
-            )
+            helper_obj.add_to_pre(f"stream !I-> part0-node{key}-data\n")
             form_key = f"part0-node{key}-data"
             if forth_obj.should_add_form():
                 forth_obj.add_form_key(form_key)
-                temp_aform = {"class": "RecordArray", "contents": {'fDatime': {"class": "NumpyArray", "primitive": "uint32", "form_key": f"node{key}"}}, "parameters": {"__record__": "TDatime"}}
+                temp_aform = {
+                    "class": "RecordArray",
+                    "contents": {
+                        "fDatime": {
+                            "class": "NumpyArray",
+                            "primitive": "uint32",
+                            "form_key": f"node{key}",
+                        }
+                    },
+                    "parameters": {"__record__": "TDatime"},
+                }
                 forth_obj.add_form(temp_aform)
             temp_form = forth_obj.add_node(
                 f"node{key}",
diff --git a/src/uproot/models/TString.py b/src/uproot/models/TString.py
index 8fa278291..a2988d235 100644
--- a/src/uproot/models/TString.py
+++ b/src/uproot/models/TString.py
@@ -4,10 +4,11 @@
 This module defines a versionless model of ``TString``.
 """
 
-import json
+
 import uproot
 import uproot._awkward_forth
 
+
 class Model_TString(uproot.model.Model, str):
     """
     A versionless :doc:`uproot.model.Model` for ``TString``.
@@ -33,34 +34,51 @@ def read_members(self, chunk, cursor, context, file):
                 )
             )
         if helper_obj.is_forth():
-                helper_obj.add_to_pre(
-                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
-                )
-                if forth_obj.should_add_form():
-                    temp_aform = {"class": "ListOffsetArray", "offsets": "i64", "content": {"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": False, "parameters": {"__array__": "char"}, "form_key": f"node{data_num}"}, "has_identifier": False, "parameters": {"__array__": "string" ,"uproot": {"as": "TString", "header": False}}, "form_key": f"node{offsets_num}"}
-                    forth_obj.add_form(temp_aform)
-
-                    form_keys = [
-                        f"part0-node{data_num}-data",
-                        f"part0-node{offsets_num}-offsets",
-                    ]
-                    for elem in form_keys:
-                        forth_obj.add_form_key(elem)
-                helper_obj.add_to_header(
-                    f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
-                )
-                helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
-                temp_form = forth_obj.add_node(
-                    f"node{offsets_num}",
-                    helper_obj.get_pre(),
-                    helper_obj.get_post(),
-                    helper_obj.get_init(),
-                    helper_obj.get_header(),
-                    "i64",
-                    0,
-                    None,
-                )
-                forth_obj.go_to(temp_form)
+            helper_obj.add_to_pre(
+                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
+            )
+            if forth_obj.should_add_form():
+                temp_aform = {
+                    "class": "ListOffsetArray",
+                    "offsets": "i64",
+                    "content": {
+                        "class": "NumpyArray",
+                        "primitive": "uint8",
+                        "inner_shape": [],
+                        "has_identifier": False,
+                        "parameters": {"__array__": "char"},
+                        "form_key": f"node{data_num}",
+                    },
+                    "has_identifier": False,
+                    "parameters": {
+                        "__array__": "string",
+                        "uproot": {"as": "TString", "header": False},
+                    },
+                    "form_key": f"node{offsets_num}",
+                }
+                forth_obj.add_form(temp_aform)
+
+                form_keys = [
+                    f"part0-node{data_num}-data",
+                    f"part0-node{offsets_num}-offsets",
+                ]
+                for elem in form_keys:
+                    forth_obj.add_form_key(elem)
+            helper_obj.add_to_header(
+                f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
+            )
+            helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
+            temp_form = forth_obj.add_node(
+                f"node{offsets_num}",
+                helper_obj.get_pre(),
+                helper_obj.get_post(),
+                helper_obj.get_init(),
+                helper_obj.get_header(),
+                "i64",
+                0,
+                None,
+            )
+            forth_obj.go_to(temp_form)
         self._data = cursor.string(chunk, context)
 
     def postprocess(self, chunk, cursor, context, file):
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index f65eb859d..84e73de0a 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -208,7 +208,7 @@ def class_code(self):
         Returns Python code as a string that, when evaluated, would be a suitable
         :doc:`uproot.model.VersionedModel` for this class and version.
         """
-        for element in self.elements:    # (self is a TStreamerInfo)
+        for element in self.elements:  # (self is a TStreamerInfo)
             if element.has_member("fCountName"):
                 COUNT_NAMES.append(element.member("fCountName"))
         read_members = [
@@ -220,11 +220,11 @@ def class_code(self):
             "            )",
         ]
         read_members.append(
-            f"""
+            """
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
-            content = {{}}\n"""
+            content = {}\n"""
         )
         read_member_n = [
             "    def read_member_n(self, chunk, cursor, context, file, member_index):"
@@ -705,7 +705,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            "        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
@@ -828,27 +828,37 @@ def class_code(
             )
             read_member_n.append("    " + read_members[-1].replace("\n", "\n    "))
 
-        # @aryan26roy: test_0637's 29,44,56
+            # @aryan26roy: test_0637's 29,44,56
 
-            read_members.append('        if helper_obj.is_forth():')
-            read_members.append('                key = forth_obj.get_keys(1)')
-            read_members.append('                key2 = forth_obj.get_keys(1)')
+            read_members.append("        if helper_obj.is_forth():")
+            read_members.append("                key = forth_obj.get_keys(1)")
+            read_members.append("                key2 = forth_obj.get_keys(1)")
             read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append('                form_key2 = f"part0-node{key2}-offsets"')
+            read_members.append(
+                '                form_key2 = f"part0-node{key2}-offsets"'
+            )
             read_members.append(
                 f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
                 '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
             )
-            read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
+            read_members.append(
+                '                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")'
+            )
             read_members.append(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
-            read_members.append(f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")')
-            read_members.append('                if forth_obj.should_add_form():')
-            read_members.append('                        forth_obj.add_form_key(form_key)')
-            read_members.append('                        forth_obj.add_form_key(form_key2)')
+            read_members.append(
+                f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")'
+            )
+            read_members.append("                if forth_obj.should_add_form():")
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key)"
+            )
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key2)"
+            )
 
         read_members.append(
             f"        self._members[{self.name!r}] = cursor.array(chunk, self.member({self.count_name!r}), tmp, context);\n"
@@ -967,7 +977,9 @@ def class_code(
                         f'                content[{fields[-1][0]!r}] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                     )
                     if fields[-1][0] in COUNT_NAMES:
-                        read_members.append(f'                helper_obj.add_to_init(f"variable var_{fields[-1][0]}\\n")')
+                        read_members.append(
+                            f'                helper_obj.add_to_init(f"variable var_{fields[-1][0]}\\n")'
+                        )
                         read_members.append(
                             f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup var_{fields[-1][0]} ! part0-node{{key}}-data <- stack\\n")'
                         )
@@ -1025,25 +1037,35 @@ def class_code(
 
         else:
             # @aryan26roy: test_0637's 44,56
-            read_members.append('        if helper_obj.is_forth():')
-            read_members.append('                key = forth_obj.get_keys(1)')
-            read_members.append('                key2 = forth_obj.get_keys(1)')
+            read_members.append("        if helper_obj.is_forth():")
+            read_members.append("                key = forth_obj.get_keys(1)")
+            read_members.append("                key2 = forth_obj.get_keys(1)")
             read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append('                form_key2 = f"part0-node{key2}-offsets"')
+            read_members.append(
+                '                form_key2 = f"part0-node{key2}-offsets"'
+            )
             read_members.append(
                 f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
                 '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
             )
-            read_members.append('                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")')
+            read_members.append(
+                '                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")'
+            )
             read_members.append(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
-            read_members.append(f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n')
-            read_members.append('                if forth_obj.should_add_form():')
-            read_members.append('                        forth_obj.add_form_key(form_key)')
-            read_members.append('                        forth_obj.add_form_key(form_key2)')
+            read_members.append(
+                f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n'
+            )
+            read_members.append("                if forth_obj.should_add_form():")
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key)"
+            )
+            read_members.append(
+                "                        forth_obj.add_form_key(form_key2)"
+            )
             read_members.append(
                 f"        self._members[{self.name!r}] = cursor.array(chunk, {self.array_length}, self._dtype{len(dtypes)}, context)"
             )
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 86aa5a4af..865169b19 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -48,7 +48,10 @@ def test_03():
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
         assert py[0][0] == 'Converter.hepmcStatusList = "[]";\n'
-        assert py[0][14] == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
+        assert (
+            py[0][14]
+            == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
+        )
         # py[-1] == <STLVector ['Converter.hepmcStatusList = "[]";\n', ...] at 0x7f7fc23ca2e0>
 
 
@@ -68,7 +71,7 @@ def test_04():
 #         branch = file["CollectionTree/TrigConfKeys"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <xAOD::TrigConfKeys_v1 (version 1) at 0x7fecf9212760>
+# py[-1] == <xAOD::TrigConfKeys_v1 (version 1) at 0x7fecf9212760>
 
 
 def test_06():
@@ -107,7 +110,7 @@ def test_09():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['0'][0] == 352341021
+        assert py[0][0]["0"][0] == 352341021
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
@@ -129,7 +132,7 @@ def test_11():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['0'][0] == 921521854
+        assert py[0][0]["0"][0] == 921521854
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
@@ -139,7 +142,7 @@ def test_12():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]['1'][0] == 2
+        assert py[0][0]["1"][0] == 2
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
@@ -149,7 +152,7 @@ def test_13():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0]['1'][0] == 0
+        assert py[0][0]["1"][0] == 0
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 
@@ -169,7 +172,7 @@ def test_15():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1][-1]['m_persKey'] == 980095599
+        assert py[1][-1][-1]["m_persKey"] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fb9b9d24c10>], ...] at 0x7fb9b9d29250>
 
 
@@ -179,7 +182,7 @@ def test_16():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][0]['m_persKey'][0] == 980095599
+        assert py[1][0]["m_persKey"][0] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7f6e29be5cd0>], ...] at 0x7f6e29bea250>
 
 
@@ -269,7 +272,7 @@ def test_25():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == 'numuCCAnalysis'
+        assert py[0][-1] == "numuCCAnalysis"
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
 
@@ -278,7 +281,7 @@ def test_25():
 #         branch = file["config/SEL/SEL._firstSteps"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == array([<STLVector [] at 0x7f5060ef49d0>], dtype=object)
+# py[-1] == array([<STLVector [] at 0x7f5060ef49d0>], dtype=object)
 
 
 def test_27():
@@ -287,7 +290,7 @@ def test_27():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][-1] == 'muFGD+Np'
+        assert py[0][0][-1] == "muFGD+Np"
         # py[-1] == array([<STLVector ['muTPC', 'muTPC+pTPC', ..., 'muFGD+Np'] at 0x7f1d79005a90>], dtype=object)
 
 
@@ -335,7 +338,7 @@ def test_32():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == 'two'
+        assert py[-1] == "two"
         # py[-1] == "two"
 
 
@@ -345,7 +348,7 @@ def test_33():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][4]['1'][-1] == 1.0
+        assert py[0][4]["1"][-1] == 1.0
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7f4443068ca0>
 
 
@@ -355,7 +358,7 @@ def test_34():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == '$Name: geant4-10-05-patch-01 $'
+        assert py[-1] == "$Name: geant4-10-05-patch-01 $"
 
 
 def test_35():
@@ -364,7 +367,7 @@ def test_35():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['1'][0]['name'] == 'anti_alpha'
+        assert py[0]["1"][0]["name"] == "anti_alpha"
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7fb557996df0>, ...} at 0x7fb557a012e0>
 
 
@@ -374,7 +377,7 @@ def test_36():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == 'MP_F_99.'
+        assert py[0][-1] == "MP_F_99."
         # py[-1] == <STLVector ['DRIFT_0.', 'PRXSE01A.', ..., 'PRBHF_99.', 'MP_F_99.'] at 0x7f22f206df10>
 
 
@@ -384,7 +387,7 @@ def test_37():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][555]['2'] == 100.94856572890848
+        assert py[0][555]["2"] == 100.94856572890848
         # py[-1] == array([<TVector3 (version 3) at 0x7f3385c9cbe0>, <TVector3 (version 3) at 0x7f3385c9cc10>, <TVector3 (version 3) at 0x7f3385c9cc40>, ..., <TVector3 (version 3) at 0x7f3385b0cfd0>, <TVector3 (version 3) at 0x7f3385a9e040>, <TVector3 (version 3) at 0x7f3385a9e070>], dtype=object)
 
 
@@ -394,7 +397,7 @@ def test_38():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['zp'][0] == pytest.approx(0.9999998807907104)
+        assert py[0]["zp"][0] == pytest.approx(0.9999998807907104)
         # py[-1] == <BDSOutputROOTEventSampler<float> (version 4) at 0x7f9be2f7b2e0>
 
 
@@ -404,7 +407,7 @@ def test_39():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1]['0'] == -1000020030
+        assert py[-1][1]["0"] == -1000020030
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f6d05752220>, ...} at 0x7f6d057397f0>
 
 
@@ -414,7 +417,7 @@ def test_40():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['fDatime'] == 1749155840
+        assert py[0]["fDatime"] == 1749155840
         # py[-1] == <TDatime at 0x7f79c7368430>
 
 
@@ -454,7 +457,7 @@ def test_44():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['1'][-1] == True
+        assert py[0]["1"][-1] == True
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 
@@ -463,7 +466,7 @@ def test_44():
 #         branch = file["MCTrack/global"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [<allpix::MCTrack (version 2) at 0x7f88b9a8ad90>, ...] at 0x7f88b9a8ad00>
+# py[-1] == <STLVector [<allpix::MCTrack (version 2) at 0x7f88b9a8ad90>, ...] at 0x7f88b9a8ad00>
 
 
 # def test_46():
@@ -471,7 +474,7 @@ def test_44():
 #         branch = file["MCParticle/detector1"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f94bc223760>, ...] at 0x7f94bc223550>
+# py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f94bc223760>, ...] at 0x7f94bc223550>
 
 
 def test_47():
@@ -480,7 +483,7 @@ def test_47():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][-1]['1']['mass'] == pytest.approx(3.727379)
+        assert py[-1][-1]["1"]["mass"] == pytest.approx(3.727379)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f53a43c2220>, ...} at 0x7f53a44278b0>
 
 
@@ -489,8 +492,8 @@ def test_47():
 #         branch = file["Geant4Data/Geant4Data./Geant4Data.ions"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        #assert py[-1]['0'][-1] == 1000020040
-        # py[-1] == <STLMap {} at 0x7fda831357f0>
+# assert py[-1]['0'][-1] == 1000020040
+# py[-1] == <STLMap {} at 0x7fda831357f0>
 
 
 # def test_49():
@@ -498,7 +501,7 @@ def test_47():
 #         branch = file["MCParticle/timepix"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f0697bf1820>] at 0x7f0697bf1a00>
+# py[-1] == <STLVector [<allpix::MCParticle (version 6) at 0x7f0697bf1820>] at 0x7f0697bf1a00>
 
 
 # def test_50():
@@ -506,7 +509,8 @@ def test_47():
 #         branch = file["PixelHit/timepix"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [] at 0x7f769cbf0bb0>
+# py[-1] == <STLVector [] at 0x7f769cbf0bb0>
+
 
 def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
@@ -514,7 +518,7 @@ def test_51():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == 'GENIE:fixed@density-fixed'
+        assert py[-1] == "GENIE:fixed@density-fixed"
 
 
 def test_52():
@@ -523,7 +527,7 @@ def test_52():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1]['refs'][-1] == 2223
+        assert py[1][-1]["refs"][-1] == 2223
         # py[-1] == array([<TRefArray [2407] at 0x7f7888dff0d0>, <TRefArray [2411] at 0x7f7888dee100>, <TRefArray [2405] at 0x7f7888dff130>, <TRefArray [2406] at 0x7f7888dff1f0>, <TRefArray [2523] at 0x7f7888dff280>, <TRefArray [2352] at 0x7f7888dff310>, <TRefArray [2192] at 0x7f7888dff3a0>, <TRefArray [2425] at 0x7f7888dff430>, <TRefArray [2340] at 0x7f7888dff4c0>, <TRefArray [2533] at 0x7f7888dff550>, <TRefArray [2264] at 0x7f7888dff5e0>, <TRefArray [2263] at 0x7f7888dff670>, <TRefArray [2396] at 0x7f7888dff700>, <TRefArray [2519] at 0x7f7888dff790>, <TRefArray [2044] at 0x7f7888dff820>, <TRefArray [2273] at 0x7f7888dff8b0>, <TRefArray [2270] at 0x7f7888dff940>, <TRefArray [2388] at 0x7f7888dff9d0>, <TRefArray [2473] at 0x7f7888dffa60>, <TRefArray [2272] at 0x7f7888dffaf0>, <TRefArray [2475] at 0x7f7888dffb80>, <TRefArray [2212] at 0x7f7888dffc10>, <TRefArray [2220] at 0x7f7888dffca0>, <TRefArray [2358] at 0x7f7888dffd30>, <TRefArray [2472] at 0x7f7888dffdc0>, <TRefArray [2359] at 0x7f7888dffe50>, <TRefArray [2360] at 0x7f7888dffee0>, <TRefArray [2201] at 0x7f7888dfff70>, <TRefArray [2362] at 0x7f7888e02040>, <TRefArray [2537] at 0x7f7888e020d0>, <TRefArray [2230] at 0x7f7888e02160>, <TRefArray [2488] at 0x7f7888e021f0>, <TRefArray [2307] at 0x7f7888e02280>, <TRefArray [2570] at 0x7f7888e02310>, <TRefArray [2569] at 0x7f7888e023a0>, <TRefArray [2515] at 0x7f7888e02430>, <TRefArray [2423] at 0x7f7888e024c0>, <TRefArray [2571] at 0x7f7888e02550>, <TRefArray [2578] at 0x7f7888e025e0>, <TRefArray [2386] at 0x7f7888e02670>, <TRefArray [2579] at 0x7f7888e02700>, <TRefArray [2580] at 0x7f7888e02790>, <TRefArray [2556] at 0x7f7888e02820>, <TRefArray [2555] at 0x7f7888e028b0>, <TRefArray [2355] at 0x7f7888e02940>, <TRefArray [2222, 2223] at 0x7f7888e029d0>], dtype=object)
 
 
@@ -533,7 +537,7 @@ def test_53():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1]['fE'] == 0.0
+        assert py[0][-1]["fE"] == 0.0
         # py[-1] == array([<TLorentzVector (version 4) at 0x7f6a396bf2b0>, <TLorentzVector (version 4) at 0x7f6a396bf250>, <TLorentzVector (version 4) at 0x7f6a396bf1f0>, <TLorentzVector (version 4) at 0x7f6a396bf190>, <TLorentzVector (version 4) at 0x7f6a396bf130>, <TLorentzVector (version 4) at 0x7f6a396bf0d0>], dtype=object)
 
 
@@ -543,7 +547,7 @@ def test_54():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1][4]['fE'] == 0.0
+        assert py[0][-1][4]["fE"] == 0.0
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7f6a02cb3220>, <TLorentzVector (version 4) at 0x7f6a02cb3280>, <TLorentzVector (version 4) at 0x7f6a02cb3fd0>, <TLorentzVector (version 4) at 0x7f6a02cb3f70>, <TLorentzVector (version 4) at 0x7f6a02cb3f10>], [<TLorentzVector (version 4) at 0x7f6a02cb3eb0>, <TLorentzVector (version 4) at 0x7f6a02cb3e50>, <TLorentzVector (version 4) at 0x7f6a02cb3df0>, <TLorentzVector (version 4) at 0x7f6a02cb3d90>, <TLorentzVector (version 4) at 0x7f6a02cb3d30>], [<TLorentzVector (version 4) at 0x7f6a02cb3cd0>, <TLorentzVector (version 4) at 0x7f6a02cb3c70>, <TLorentzVector (version 4) at 0x7f6a02cb3c10>, <TLorentzVector (version 4) at 0x7f6a02cb3bb0>, <TLorentzVector (version 4) at 0x7f6a02cb3b50>], [<TLorentzVector (version 4) at 0x7f6a02cb3af0>, <TLorentzVector (version 4) at 0x7f6a02cb3a90>, <TLorentzVector (version 4) at 0x7f6a02cb3a30>, <TLorentzVector (version 4) at 0x7f6a02cb39d0>, <TLorentzVector (version 4) at 0x7f6a02cb3970>], [<TLorentzVector (version 4) at 0x7f6a02cb3910>, <TLorentzVector (version 4) at 0x7f6a02cb38b0>, <TLorentzVector (version 4) at 0x7f6a02cb3850>, <TLorentzVector (version 4) at 0x7f6a02cb34f0>, <TLorentzVector (version 4) at 0x7f6a02cb3580>], [<TLorentzVector (version 4) at 0x7f6a02cb3430>, <TLorentzVector (version 4) at 0x7f6a02cb33d0>, <TLorentzVector (version 4) at 0x7f6a02cb3370>, <TLorentzVector (version 4) at 0x7f6a02cb32e0>, <TLorentzVector (version 4) at 0x7f6a02cba910>]], dtype=object)
 
 
@@ -565,7 +569,7 @@ def test_56():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1]['SliceU64'][0] == 1
+        assert py[1]["SliceU64"][0] == 1
         # py[-1] == <Event (version 1) at 0x7fecdbf61dc0>
 
 
@@ -575,7 +579,7 @@ def test_57():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == 'two'
+        assert py[-1][1] == "two"
         # py[-1] == <STLVector ['one', 'two'] at 0x7fdeeb3f8d90>
 
 
@@ -585,7 +589,7 @@ def test_58():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1] == 'two'
+        assert py[1][1] == "two"
         # py[-1] == <STLVector ['one', 'two'] at 0x7f42edc0c0a0>
 
 
@@ -605,7 +609,7 @@ def test_60():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 'two'
+        assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7fae23700eb0>
 
 
@@ -615,7 +619,7 @@ def test_61():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 'two'
+        assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7f06ad24c460>
 
 
@@ -635,7 +639,7 @@ def test_63():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 'two'
+        assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [{'one'}, {'one', 'two'}] at 0x7fb29ded7370>
 
 
@@ -655,7 +659,7 @@ def test_65():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == 'two'
+        assert py[-1][1] == "two"
         # py[-1] == <STLSet {'one', 'two'} at 0x7f5ffd9ff1c0>
 
 
@@ -665,7 +669,7 @@ def test_66():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1]['1'][1] == 2
+        assert py[-1]["1"][1] == 2
         # py[-1] == <STLMap {1: 1, 2: 2} at 0x7f23be1efbe0>
 
 
@@ -675,7 +679,7 @@ def test_67():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {1: [1], 2: [1, 2]} at 0x7f899441d2b0>
 
 
@@ -685,7 +689,7 @@ def test_68():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {1: ['one'], 2: ['one', 'two']} at 0x7fd19d3288b0>
 
 
@@ -695,7 +699,7 @@ def test_69():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {1: {1}, 2: {1, 2}} at 0x7f2b3f1b5fa0>
 
 
@@ -705,7 +709,7 @@ def test_70():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {1: {'one'}, 2: {'one', 'two'}} at 0x7f4718b237c0>
 
 
@@ -715,7 +719,7 @@ def test_71():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'] == 2
+        assert py[1][1]["1"] == 2
         # py[-1] == <STLMap {'one': 1, 'two': 2} at 0x7f4179bed1f0>
 
 
@@ -725,7 +729,7 @@ def test_72():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {'one': [1], 'two': [1, 2]} at 0x7f26376e9b20>
 
 
@@ -735,7 +739,7 @@ def test_73():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {'one': ['one'], 'two': ['one', 'two']} at 0x7f3e45d34910>
 
 
@@ -745,7 +749,7 @@ def test_74():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 2
+        assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {'one': {1}, 'two': {1, 2}} at 0x7f5a94b1c760>
 
 
@@ -755,7 +759,7 @@ def test_75():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1] == 'two'
+        assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {'one': {'one'}, 'two': {'one', 'two'}} at 0x7f1a1e95aa90>
 
 
@@ -765,7 +769,7 @@ def test_76():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1][1] == 2
+        assert py[1][1]["1"][1][1] == 2
         # py[-1] == <STLMap {1: [[1]], 2: [[1], [1, 2]]} at 0x7fc98bd7ec10>
 
 
@@ -775,7 +779,7 @@ def test_77():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'][1][1] == 2
+        assert py[1][1]["1"][1][1] == 2
         # py[-1] == <STLMap {1: [{1}], 2: [{1}, {1, 2}]} at 0x7fcf9b191610>
 
 
@@ -785,7 +789,7 @@ def test_78():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'] == 'TWO'
+        assert py[1][1]["1"] == "TWO"
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f887b27cb20>
 
 
@@ -795,7 +799,7 @@ def test_79():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]['1'] == 'TWO'
+        assert py[1][1]["1"] == "TWO"
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f4c4e527610>
 
 
@@ -817,5 +821,5 @@ def test_81():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]['1'] == pytest.approx(2.5636332035064697)
+        assert py[0]["1"] == pytest.approx(2.5636332035064697)
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>

From ea288d38083672f9d38fa85578e0c853d1d4e3c0 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Mon, 5 Sep 2022 20:27:51 +0530
Subject: [PATCH 24/41] removed unused import

---
 src/uproot/models/TDatime.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/uproot/models/TDatime.py b/src/uproot/models/TDatime.py
index 5ad2d48bd..23bdec5f8 100644
--- a/src/uproot/models/TDatime.py
+++ b/src/uproot/models/TDatime.py
@@ -5,7 +5,6 @@
 """
 
 
-import json
 import struct
 
 import numpy

From 22c5a8e38a35417c7588762fc2a68f0f8d370609 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 6 Sep 2022 09:13:49 +0530
Subject: [PATCH 25/41] fixed bug

---
 src/uproot/containers.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 4fa5509cf..889587359 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -541,9 +541,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 for elem in form_keys:
                     forth_obj.add_form_key(elem)
             helper_obj.add_to_header(
-                f"output node{offsets_num}-offsets int64\noutput node{data_num}-data uint8\n"
+                f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
             )
-            helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
+            helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
             temp_form = forth_obj.add_node(
                 f"node{offsets_num}",
                 helper_obj.get_pre(),
@@ -841,10 +841,10 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
                 if helper_obj.is_forth():
                     helper_obj.add_to_header(
-                        f"output node{offsets_num}-offsets int64\n"
+                        f"output part0-node{offsets_num}-offsets int64\n"
                     )
-                    form_key = f"node{offsets_num}-offsets"
-                    helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
+                    form_key = f"part0-node{offsets_num}-offsets"
+                    helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
                     helper_obj.add_to_pre(
                         "0 bytestops I-> stack \nbegin\ndup stream pos <>\nwhile\nswap 1 + swap\n"
                     )

From 88755f5984d1d0afe76ed94b5e48fa022a5179d9 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 6 Sep 2022 03:44:45 +0000
Subject: [PATCH 26/41] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/uproot/containers.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 889587359..fe75ca3db 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -844,7 +844,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                         f"output part0-node{offsets_num}-offsets int64\n"
                     )
                     form_key = f"part0-node{offsets_num}-offsets"
-                    helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
+                    helper_obj.add_to_init(
+                        f"0 part0-node{offsets_num}-offsets <- stack\n"
+                    )
                     helper_obj.add_to_pre(
                         "0 bytestops I-> stack \nbegin\ndup stream pos <>\nwhile\nswap 1 + swap\n"
                     )

From 31620612ffe94acd413e4805b61035dc07babe54 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 6 Sep 2022 09:47:39 +0530
Subject: [PATCH 27/41] fixed awkward-forth tests

---
 pyproject.toml                                |  2 +-
 src/uproot/models/TRef.py                     |  6 +++---
 .../test_0637-setup-tests-for-AwkwardForth.py | 20 +++++++++----------
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 18e6c2eaf..ccff4cd4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -87,7 +87,7 @@ markers = [
     "network",
     "xrootd",
 ]
-timeout = 600
+#timeout = 600
 
 [tool.isort]
 profile = "black"
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index fda7b2c73..66c097768 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -137,14 +137,14 @@ def read_members(self, chunk, cursor, context, file):
 
             helper_obj.add_to_pre("10 stream skip\n")
             helper_obj.add_to_pre(
-                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup node{form_keys[1]}-offsets +<- stack stream #!B-> node{form_keys[2]}-data\n"
+                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{form_keys[1]}-offsets +<- stack stream #!B-> part0-node{form_keys[2]}-data\n"
             )
             helper_obj.add_to_pre(
-                f"stream !I-> stack dup node{form_keys[3]}-data <- stack\n"
+                f"stream !I-> stack dup part0-node{form_keys[3]}-data <- stack\n"
             )
             helper_obj.add_to_pre("6 stream skip\n")
             helper_obj.add_to_pre(
-                f"dup node{form_keys[4]}-offsets +<- stack stream #!I-> node{form_keys[5]}-data\n"
+                f"dup part0-node{form_keys[4]}-offsets +<- stack stream #!I-> part0-node{form_keys[5]}-data\n"
             )
             keys = [
                 f"node{form_keys[1]}-offsets",
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 865169b19..98c017d85 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -25,8 +25,8 @@ def test_01():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]["1"] == pytest.approx(84.56447925448748)
-        assert py[0][0]["0"]["fZ"] == pytest.approx(-81.600465)
+        assert py[0][0]["fE"] == pytest.approx(84.56447925448748)
+        assert py[0][0]["fP"]["fZ"] == pytest.approx(-81.600465)
         # py[-1] == array([<TLorentzVector (version 4) at 0x7fac4bb8d2b0>, <TLorentzVector (version 4) at 0x7fac4bb8d2e0>], dtype=object)
 
 
@@ -110,7 +110,7 @@ def test_09():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]["0"][0] == 352341021
+        assert py[0][0][0]['m_persKey'] == 352341021
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
@@ -132,7 +132,7 @@ def test_11():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]["0"][0] == 921521854
+        assert py[0][0][0]['m_persKey'] == 921521854
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
@@ -142,7 +142,7 @@ def test_12():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]["1"][0] == 2
+        assert py[0][0][0]['m_persIndex'] == 2
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
@@ -152,7 +152,7 @@ def test_13():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0]["1"][0] == 0
+        assert py[0][0][0]['m_persIndex'] == 0
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 
@@ -387,7 +387,7 @@ def test_37():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][555]["2"] == 100.94856572890848
+        assert py[0][555]["fZ"] == 100.94856572890848
         # py[-1] == array([<TVector3 (version 3) at 0x7f3385c9cbe0>, <TVector3 (version 3) at 0x7f3385c9cc10>, <TVector3 (version 3) at 0x7f3385c9cc40>, ..., <TVector3 (version 3) at 0x7f3385b0cfd0>, <TVector3 (version 3) at 0x7f3385a9e040>, <TVector3 (version 3) at 0x7f3385a9e070>], dtype=object)
 
 
@@ -457,7 +457,7 @@ def test_44():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["1"][-1] == True
+        assert py[0]["ArrayBool"][-1] == True
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 
@@ -518,7 +518,7 @@ def test_51():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == "GENIE:fixed@density-fixed"
+        assert py[-1][0] == "GENIE:fixed@density-fixed"
 
 
 def test_52():
@@ -821,5 +821,5 @@ def test_81():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["1"] == pytest.approx(2.5636332035064697)
+        assert py[0]["fY"] == pytest.approx(2.5636332035064697)
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>

From 7d15b438b88d85751517d28a8543d59b1be30c8b Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 6 Sep 2022 09:48:36 +0530
Subject: [PATCH 28/41] linting

---
 tests/test_0637-setup-tests-for-AwkwardForth.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 98c017d85..65460381c 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -110,7 +110,7 @@ def test_09():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0]['m_persKey'] == 352341021
+        assert py[0][0][0]["m_persKey"] == 352341021
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
@@ -132,7 +132,7 @@ def test_11():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0]['m_persKey'] == 921521854
+        assert py[0][0][0]["m_persKey"] == 921521854
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
@@ -142,7 +142,7 @@ def test_12():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0]['m_persIndex'] == 2
+        assert py[0][0][0]["m_persIndex"] == 2
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
@@ -152,7 +152,7 @@ def test_13():
         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
         interp._forth = True
         py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0][0]['m_persIndex'] == 0
+        assert py[0][0][0]["m_persIndex"] == 0
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 

From bd3ebb0dac2f1bf6e759abd925ac90e3ef93a6f8 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 6 Sep 2022 10:03:24 +0530
Subject: [PATCH 29/41] fixed forth generation bug

---
 src/uproot/model.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/uproot/model.py b/src/uproot/model.py
index c6686f475..8e060eed4 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -814,7 +814,8 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             if self._num_bytes is None and self._instance_version != self.class_version:
                 self._instance_version = None
                 cursor = self._cursor
-                helper_obj._pre_code.pop(-1)
+                if helper_obj.is_forth():
+                    helper_obj._pre_code.pop(-1)
 
             elif self._instance_version == 0:
                 helper_obj.add_to_pre("4 stream skip\n")

From 5565d4b7a246c6b8e9c719921e16a8bb513bfc58 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 6 Sep 2022 10:17:55 +0530
Subject: [PATCH 30/41] switched to awkward._v2

---
 src/uproot/containers.py             | 62 +++++++++++++---------------
 src/uproot/interpretation/objects.py |  2 +-
 src/uproot/models/TDatime.py         |  8 ++--
 src/uproot/models/TRef.py            | 10 ++---
 src/uproot/models/TString.py         | 10 ++---
 src/uproot/streamers.py              | 48 +++++++++------------
 6 files changed, 64 insertions(+), 76 deletions(-)

diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index fe75ca3db..88fe2fddc 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -60,11 +60,11 @@ def _read_nested(
             raise TypeError("Cannot be awkward")
         if helper_obj.is_forth():
             key = forth_obj.get_keys(1)
-            form_key = f"part0-node{key}-data"
+            form_key = f"node{key}-data"
             helper_obj.add_to_header(
-                f"output part0-node{key}-data {uproot._awkward_forth.convert_dtype(symbol)}\n"
+                f"output node{key}-data {uproot._awkward_forth.convert_dtype(symbol)}\n"
             )
-            helper_obj.add_to_pre(f"stream #!{symbol}-> part0-node{key}-data\n")
+            helper_obj.add_to_pre(f"stream #!{symbol}-> node{key}-data\n")
             if forth_obj.should_add_form():
                 forth_obj.add_form_key(form_key)
                 forth_obj.add_form(
@@ -502,14 +502,14 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             out = cursor.string(chunk, context)
             if helper_obj.is_forth():
                 helper_obj.add_to_pre(
-                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
+                    f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup node{offsets_num}-offsets +<- stack stream #!B-> node{data_num}-data\n"
                 )
         elif self._length_bytes == "4":
             length = cursor.field(chunk, _stl_container_size, context)
             out = cursor.string_with_length(chunk, context, length)
             if helper_obj.is_forth():
                 helper_obj.add_to_pre(
-                    f"stream !I-> stack dup part0-node{offsets_num}-offsets +<- stack stream #B-> part0-node{data_num}-data\n"
+                    f"stream !I-> stack dup node{offsets_num}-offsets +<- stack stream #B-> node{data_num}-data\n"
                 )
         else:
             raise AssertionError(repr(self._length_bytes))
@@ -541,9 +541,9 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 for elem in form_keys:
                     forth_obj.add_form_key(elem)
             helper_obj.add_to_header(
-                f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
+                f"output node{offsets_num}-offsets int64\noutput node{data_num}-data uint8\n"
             )
-            helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
+            helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
             temp_form = forth_obj.add_node(
                 f"node{offsets_num}",
                 helper_obj.get_pre(),
@@ -758,22 +758,20 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             else:
                 if helper_obj.is_forth():
                     helper_obj.add_to_header(
-                        f"output part0-node{offsets_num}-offsets int64\n"
-                    )
-                    form_key = f"part0-node{offsets_num}-offsets"
-                    helper_obj.add_to_init(
-                        f"0 part0-node{offsets_num}-offsets <- stack\n"
+                        f"output node{offsets_num}-offsets int64\n"
                     )
+                    form_key = f"node{offsets_num}-offsets"
+                    helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
                     helper_obj.add_to_pre(
                         "0 bytestops I-> stack \nbegin\ndup stream pos <>\nwhile\nswap 1 + swap\n"
                     )
                     if len(self.inner_shape) > 0:
                         helper_obj.add_to_post(
-                            f"repeat\nswap {self.inner_shape[0]} / part0-node{offsets_num}-offsets +<- stack drop\n"
+                            f"repeat\nswap {self.inner_shape[0]} / node{offsets_num}-offsets +<- stack drop\n"
                         )
                     else:
                         helper_obj.add_to_post(
-                            f"repeat\nswap part0-node{offsets_num}-offsets +<- stack drop\n"
+                            f"repeat\nswap node{offsets_num}-offsets +<- stack drop\n"
                         )
                     if forth_obj.should_add_form():
                         forth_obj.add_form_key(form_key)
@@ -841,22 +839,20 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
 
                 if helper_obj.is_forth():
                     helper_obj.add_to_header(
-                        f"output part0-node{offsets_num}-offsets int64\n"
-                    )
-                    form_key = f"part0-node{offsets_num}-offsets"
-                    helper_obj.add_to_init(
-                        f"0 part0-node{offsets_num}-offsets <- stack\n"
+                        f"output node{offsets_num}-offsets int64\n"
                     )
+                    form_key = f"node{offsets_num}-offsets"
+                    helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
                     helper_obj.add_to_pre(
                         "0 bytestops I-> stack \nbegin\ndup stream pos <>\nwhile\nswap 1 + swap\n"
                     )
                     if len(self.inner_shape) > 0:
                         helper_obj.add_to_post(
-                            f"repeat\nswap {self.inner_shape[0]} / part0-node{offsets_num}-offsets +<- stack drop\n"
+                            f"repeat\nswap {self.inner_shape[0]} / node{offsets_num}-offsets +<- stack drop\n"
                         )
                     else:
                         helper_obj.add_to_post(
-                            f"repeat\nswap part0-node{offsets_num}-offsets +<- stack drop\n"
+                            f"repeat\nswap node{offsets_num}-offsets +<- stack drop\n"
                         )
                     if forth_obj.should_add_form():
                         forth_obj.add_form_key(form_key)
@@ -1181,11 +1177,11 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             length = cursor.field(chunk, _stl_container_size, context)
             if helper_obj.is_forth():
                 key = forth_obj.get_keys(1)
-                form_key = f"part0-node{key}-offsets"
-                helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
-                helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
+                form_key = f"node{key}-offsets"
+                helper_obj.add_to_header(f"output node{key}-offsets int64\n")
+                helper_obj.add_to_init(f"0 node{key}-offsets <- stack\n")
                 helper_obj.add_to_pre(
-                    f"stream !I-> stack\n dup part0-node{key}-offsets +<- stack\n"
+                    f"stream !I-> stack\n dup node{key}-offsets +<- stack\n"
                 )
                 # helper_obj.add_to_post("loop\n")
                 if forth_obj.should_add_form():
@@ -1347,11 +1343,11 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
         if helper_obj.is_forth():
             key = forth_obj.get_keys(1)
 
-            form_key = f"part0-node{key}-offsets"
-            helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
-            helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
+            form_key = f"node{key}-offsets"
+            helper_obj.add_to_header(f"output node{key}-offsets int64\n")
+            helper_obj.add_to_init(f"0 node{key}-offsets <- stack\n")
             helper_obj.add_to_pre(
-                f"stream !I-> stack\ndup part0-node{key}-offsets +<- stack\n"
+                f"stream !I-> stack\ndup node{key}-offsets +<- stack\n"
             )
             # helper_obj.add_to_post("loop\n")
             if forth_obj.should_add_form():
@@ -1537,11 +1533,11 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             length = cursor.field(chunk, _stl_container_size, context)
             if helper_obj.is_forth():
                 key = forth_obj.get_keys(1)
-                form_key = f"part0-node{key}-offsets"
-                helper_obj.add_to_header(f"output part0-node{key}-offsets int64\n")
-                helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\n")
+                form_key = f"node{key}-offsets"
+                helper_obj.add_to_header(f"output node{key}-offsets int64\n")
+                helper_obj.add_to_init(f"0 node{key}-offsets <- stack\n")
                 helper_obj.add_to_pre(
-                    f"stream !I-> stack\n dup part0-node{key}-offsets +<- stack\n"
+                    f"stream !I-> stack\n dup node{key}-offsets +<- stack\n"
                 )
             if _has_nested_header(self._keys) and header:
                 if helper_obj.is_forth():
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index d2c99a94f..4350568b0 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -226,7 +226,7 @@ def basket_array_forth(
         context["forth"].vm.resume()
         container = {}
         container = context["forth"].vm.outputs
-        output = awkward.from_buffers(self._form, len(byte_offsets) - 1, container)
+        output = awkward._v2.from_buffers(self._form, len(byte_offsets) - 1, container)
 
         self.hook_after_basket_array(
             data=data,
diff --git a/src/uproot/models/TDatime.py b/src/uproot/models/TDatime.py
index 23bdec5f8..20eb9a9c2 100644
--- a/src/uproot/models/TDatime.py
+++ b/src/uproot/models/TDatime.py
@@ -29,10 +29,10 @@ def read_members(self, chunk, cursor, context, file):
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
             key = forth_obj.get_keys(1)
-            form_key = f"part0-node{key}-data"
-            helper_obj.add_to_header(f"output part0-node{key}-data int32\n")
-            helper_obj.add_to_pre(f"stream !I-> part0-node{key}-data\n")
-            form_key = f"part0-node{key}-data"
+            form_key = f"node{key}-data"
+            helper_obj.add_to_header(f"output node{key}-data int32\n")
+            helper_obj.add_to_pre(f"stream !I-> node{key}-data\n")
+            form_key = f"node{key}-data"
             if forth_obj.should_add_form():
                 forth_obj.add_form_key(form_key)
                 temp_aform = {
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index 66c097768..9f5c5807c 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -137,14 +137,14 @@ def read_members(self, chunk, cursor, context, file):
 
             helper_obj.add_to_pre("10 stream skip\n")
             helper_obj.add_to_pre(
-                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{form_keys[1]}-offsets +<- stack stream #!B-> part0-node{form_keys[2]}-data\n"
+                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup node{form_keys[1]}-offsets +<- stack stream #!B-> node{form_keys[2]}-data\n"
             )
             helper_obj.add_to_pre(
-                f"stream !I-> stack dup part0-node{form_keys[3]}-data <- stack\n"
+                f"stream !I-> stack dup node{form_keys[3]}-data <- stack\n"
             )
             helper_obj.add_to_pre("6 stream skip\n")
             helper_obj.add_to_pre(
-                f"dup part0-node{form_keys[4]}-offsets +<- stack stream #!I-> part0-node{form_keys[5]}-data\n"
+                f"dup node{form_keys[4]}-offsets +<- stack stream #!I-> node{form_keys[5]}-data\n"
             )
             keys = [
                 f"node{form_keys[1]}-offsets",
@@ -160,10 +160,10 @@ def read_members(self, chunk, cursor, context, file):
                 temp_aform = f'{{"class": "RecordArray", "contents": {{"fname": {{"class": "ListOffsetArray", "offsets": "i64", "content": {{"class": "NumpyArray", "primitive": "uint8", "inner_shape": [], "has_identifier": false, "parameters": {{"__array__": "char"}}, "form_key": "node{form_keys[2]}"}}, "has_identifier": false, "parameters": {{"uproot": {{"as": "vector", "header": {temp_bool}}}}}, "form_key": "node{form_keys[1]}"}}, "fSize": {{"class": "NumpyArray", "primitive": "int64", "inner_shape": [], "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[3]}"}}, "refs": {{"class": "ListOffsetArray", "offsets": "i64", "content": {{"class": "NumpyArray", "primitive": "int64", "inner_shape": [], "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[5]}"}}, "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[4]}"}}}}, "has_identifier": false, "parameters": {{}}, "form_key": "node{form_keys[0]}"}}'
                 forth_obj.add_form(json.loads(temp_aform))
                 helper_obj.add_to_header(
-                    f"output part0-node{form_keys[1]}-offsets int64\noutput part0-node{form_keys[2]}-data uint8\noutput part0-node{form_keys[3]}-data int64\noutput part0-node{form_keys[4]}-offsets int64\noutput part0-node{form_keys[5]}-data int64\n"
+                    f"output node{form_keys[1]}-offsets int64\noutput node{form_keys[2]}-data uint8\noutput node{form_keys[3]}-data int64\noutput node{form_keys[4]}-offsets int64\noutput node{form_keys[5]}-data int64\n"
                 )
                 helper_obj.add_to_init(
-                    f"0 part0-node{form_keys[1]}-offsets <- stack\n0 part0-node{form_keys[4]}-offsets <- stack\n"
+                    f"0 node{form_keys[1]}-offsets <- stack\n0 node{form_keys[4]}-offsets <- stack\n"
                 )
             forth_obj.add_node(
                 f"node{form_keys[0]}",
diff --git a/src/uproot/models/TString.py b/src/uproot/models/TString.py
index a2988d235..e78791ed3 100644
--- a/src/uproot/models/TString.py
+++ b/src/uproot/models/TString.py
@@ -35,7 +35,7 @@ def read_members(self, chunk, cursor, context, file):
             )
         if helper_obj.is_forth():
             helper_obj.add_to_pre(
-                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup part0-node{offsets_num}-offsets +<- stack stream #!B-> part0-node{data_num}-data\n"
+                f"stream !B-> stack dup 255 = if drop stream !I-> stack then dup node{offsets_num}-offsets +<- stack stream #!B-> node{data_num}-data\n"
             )
             if forth_obj.should_add_form():
                 temp_aform = {
@@ -59,15 +59,15 @@ def read_members(self, chunk, cursor, context, file):
                 forth_obj.add_form(temp_aform)
 
                 form_keys = [
-                    f"part0-node{data_num}-data",
-                    f"part0-node{offsets_num}-offsets",
+                    f"node{data_num}-data",
+                    f"node{offsets_num}-offsets",
                 ]
                 for elem in form_keys:
                     forth_obj.add_form_key(elem)
             helper_obj.add_to_header(
-                f"output part0-node{offsets_num}-offsets int64\noutput part0-node{data_num}-data uint8\n"
+                f"output node{offsets_num}-offsets int64\noutput node{data_num}-data uint8\n"
             )
-            helper_obj.add_to_init(f"0 part0-node{offsets_num}-offsets <- stack\n")
+            helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
             temp_form = forth_obj.add_node(
                 f"node{offsets_num}",
                 helper_obj.get_pre(),
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 84e73de0a..2bc297c10 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -833,24 +833,22 @@ def class_code(
             read_members.append("        if helper_obj.is_forth():")
             read_members.append("                key = forth_obj.get_keys(1)")
             read_members.append("                key2 = forth_obj.get_keys(1)")
-            read_members.append('                form_key = f"part0-node{key}-data"')
+            read_members.append('                form_key = f"node{key}-data"')
+            read_members.append('                form_key2 = f"node{key2}-offsets"')
             read_members.append(
-                '                form_key2 = f"part0-node{key2}-offsets"'
+                f'                helper_obj.add_to_header(f"output node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
-                f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
+                '                helper_obj.add_to_header(f"output node{key2}-offsets int64\\n")'
             )
             read_members.append(
-                '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
-            )
-            read_members.append(
-                '                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")'
+                '                helper_obj.add_to_init(f"0 node{key2}-offsets <- stack\\n")'
             )
             read_members.append(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
             read_members.append(
-                f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")'
+                f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> node{{key}}-data\\n")'
             )
             read_members.append("                if forth_obj.should_add_form():")
             read_members.append(
@@ -967,11 +965,9 @@ def class_code(
                     # @aryan26roy: test_0637's 01,02,29,38,44,56
                     read_members.append("        if helper_obj.is_forth():")
                     read_members.append("                key = forth_obj.get_keys(1)")
+                    read_members.append('                form_key = f"node{key}-data"')
                     read_members.append(
-                        '                form_key = f"part0-node{key}-data"'
-                    )
-                    read_members.append(
-                        f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[-1][0])}\\n")'
+                        f'                helper_obj.add_to_header(f"output node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[-1][0])}\\n")'
                     )
                     read_members.append(
                         f'                content[{fields[-1][0]!r}] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[-1][0])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
@@ -981,11 +977,11 @@ def class_code(
                             f'                helper_obj.add_to_init(f"variable var_{fields[-1][0]}\\n")'
                         )
                         read_members.append(
-                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup var_{fields[-1][0]} ! part0-node{{key}}-data <- stack\\n")'
+                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> stack dup var_{fields[-1][0]} ! node{{key}}-data <- stack\\n")'
                         )
                     else:
                         read_members.append(
-                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> part0-node{{key}}-data\\n")'
+                            f'                helper_obj.add_to_pre(f"stream !{formats[-1][0]}-> node{{key}}-data\\n")'
                         )
 
                     read_members.append(
@@ -1002,18 +998,16 @@ def class_code(
                     read_members.append("        if helper_obj.is_forth():")
                     for i in range(len(formats[0])):
                         read_members.append("           key = forth_obj.get_keys(1)")
+                        read_members.append('           form_key = f"node{key}-data"')
                         read_members.append(
-                            '           form_key = f"part0-node{key}-data"'
+                            f'           helper_obj.add_to_header(f"output node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[0][i])}\\n")'
                         )
-                        read_members.append(
-                            f'           helper_obj.add_to_header(f"output part0-node{{key}}-data {uproot._awkward_forth.convert_dtype(formats[0][i])}\\n")'
-                        )
-                        # read_members.append('           helper_obj.add_to_init(f"0 part0-node{key}-offsets <- stack\\n")')
+                        # read_members.append('           helper_obj.add_to_init(f"0 node{key}-offsets <- stack\\n")')
                         read_members.append(
                             f'           content[{fields[0][i]!r}] = {{ "class": "NumpyArray", "primitive": "{uproot._awkward_forth.convert_dtype(formats[0][i])}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}'
                         )
                         read_members.append(
-                            f'           helper_obj.add_to_pre(f"stream !{formats[0][i]}-> part0-node{{key}}-data\\n")'
+                            f'           helper_obj.add_to_pre(f"stream !{formats[0][i]}-> node{{key}}-data\\n")'
                         )
                         read_members.append(
                             "           if forth_obj.should_add_form():"
@@ -1040,24 +1034,22 @@ def class_code(
             read_members.append("        if helper_obj.is_forth():")
             read_members.append("                key = forth_obj.get_keys(1)")
             read_members.append("                key2 = forth_obj.get_keys(1)")
-            read_members.append('                form_key = f"part0-node{key}-data"')
-            read_members.append(
-                '                form_key2 = f"part0-node{key2}-offsets"'
-            )
+            read_members.append('                form_key = f"node{key}-data"')
+            read_members.append('                form_key2 = f"node{key2}-offsets"')
             read_members.append(
-                f'                helper_obj.add_to_header(f"output part0-node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
+                f'                helper_obj.add_to_header(f"output node{{key}}-data {{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}\\n")'
             )
             read_members.append(
-                '                helper_obj.add_to_header(f"output part0-node{key2}-offsets int64\\n")'
+                '                helper_obj.add_to_header(f"output node{key2}-offsets int64\\n")'
             )
             read_members.append(
-                '                helper_obj.add_to_init(f"0 part0-node{key2}-offsets <- stack\\n")'
+                '                helper_obj.add_to_init(f"0 node{key2}-offsets <- stack\\n")'
             )
             read_members.append(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
             read_members.append(
-                f'                helper_obj.add_to_pre(f"{self.array_length} dup part0-node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> part0-node{{key}}-data\\n")\n'
+                f'                helper_obj.add_to_pre(f"{self.array_length} dup node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> node{{key}}-data\\n")\n'
             )
             read_members.append("                if forth_obj.should_add_form():")
             read_members.append(

From ea182831052bef354ac9222f5887306093cf3eb6 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 6 Sep 2022 18:52:39 +0530
Subject: [PATCH 31/41] add timeout back in

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index ccff4cd4f..18e6c2eaf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -87,7 +87,7 @@ markers = [
     "network",
     "xrootd",
 ]
-#timeout = 600
+timeout = 600
 
 [tool.isort]
 profile = "black"

From 9193f0bb3103ab76327f854c1859e6bfad9b9ac0 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Thu, 8 Sep 2022 11:21:51 +0530
Subject: [PATCH 32/41] test old awkward array code as well

---
 src/uproot/streamers.py                       |   4 +-
 .../test_0637-setup-tests-for-AwkwardForth.py | 835 ++++++++++--------
 2 files changed, 456 insertions(+), 383 deletions(-)

diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 2bc297c10..a646c1c29 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -224,7 +224,7 @@ def class_code(self):
         helper_obj = uproot._awkward_forth.GenHelper(context)
         if helper_obj.is_forth():
             forth_obj = helper_obj.get_gen_obj()
-            content = {}\n"""
+            content = {}"""
         )
         read_member_n = [
             "    def read_member_n(self, chunk, cursor, context, file, member_index):"
@@ -1022,7 +1022,7 @@ def class_code(
                     # @aryan26roy: test_0637's 01,02,05,08,09,11,12,13,15,16,29,35,39,45,46,47,49,50,56
 
                     read_members.append(
-                        f"        {assign_members} = cursor.fields(chunk, self._format{len(formats) - 1}, context)"
+                        f"\n        {assign_members} = cursor.fields(chunk, self._format{len(formats) - 1}, context)"
                     )
 
             read_member_n.append(
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 65460381c..7147c733b 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -11,58 +11,63 @@
 
 def test_00():
     with uproot.open(skhep_testdata.data_path("issue367b.root")) as file:
-        branch = file["tree/weights"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["0"][0] == "expskin_FluxUnisim"
+        for elem in [True,False]:
+            branch = file["tree/weights"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0]["0"][0] == "expskin_FluxUnisim"
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7fbc4c1325e0>
 
 
 def test_01():
     with uproot.open(skhep_testdata.data_path("uproot-delphes-pr442.root")) as file:
-        branch = file["Delphes/GenJet/GenJet.SoftDroppedSubJet1"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0]["fE"] == pytest.approx(84.56447925448748)
-        assert py[0][0]["fP"]["fZ"] == pytest.approx(-81.600465)
+        for elem in [True,False]:
+                branch = file["Delphes/GenJet/GenJet.SoftDroppedSubJet1"]
+                interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+                interp._forth = elem
+                py = branch.array(interp, library="ak", entry_stop=2)
+                assert py[0][0]["fE"] == pytest.approx(84.56447925448748)
+                assert py[0][0]["fP"]["fZ"] == pytest.approx(-81.600465)
         # py[-1] == array([<TLorentzVector (version 4) at 0x7fac4bb8d2b0>, <TLorentzVector (version 4) at 0x7fac4bb8d2e0>], dtype=object)
 
 
 def test_02():
     with uproot.open(skhep_testdata.data_path("uproot-delphes-pr442.root")) as file:
-        branch = file["Delphes/GenJet/GenJet.TrimmedP4[5]"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak")
-        assert py[0][0][0]["fE"] == 0
-        assert py[-1][8][3]["fE"] == 0
+        for elem in [True,False]:
+            branch = file["Delphes/GenJet/GenJet.TrimmedP4[5]"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak")
+            assert py[0][0][0]["fE"] == 0
+            assert py[-1][8][3]["fE"] == 0
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7fbfea1fa3d0>, <TLorentzVector (version 4) at 0x7fbfea1fa370>, <TLorentzVector (version 4) at 0x7fbfea1fa310>, <TLorentzVector (version 4) at 0x7fbfea1fa2b0>, <TLorentzVector (version 4) at 0x7fbfea1fa250>], [<TLorentzVector (version 4) at 0x7fbfea1fa1f0>, <TLorentzVector (version 4) at 0x7fbfea1fa190>, <TLorentzVector (version 4) at 0x7fbfea1fa130>, <TLorentzVector (version 4) at 0x7fbfea1fa0d0>, <TLorentzVector (version 4) at 0x7fbfea1fa070>]], dtype=object)
 
 
 def test_03():
     with uproot.open(skhep_testdata.data_path("uproot-FCCDelphesOutput.root")) as file:
-        branch = file["metadata/gaudiConfigOptions"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0] == 'Converter.hepmcStatusList = "[]";\n'
-        assert (
-            py[0][14]
-            == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
-        )
+        for elem in [True,False]:
+            branch = file["metadata/gaudiConfigOptions"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0] == 'Converter.hepmcStatusList = "[]";\n'
+            assert (
+                py[0][14]
+                == 'ToolSvc.photons.delphesArrayName = "PhotonEfficiency/photons";\nToolSvc.photons.isolationTags = "photonITags";\nToolSvc.photons.mcAssociations = "photonsToMC";\nToolSvc.photons.particles = "photons";\n'
+            )
         # py[-1] == <STLVector ['Converter.hepmcStatusList = "[]";\n', ...] at 0x7f7fc23ca2e0>
 
 
 def test_04():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["POOLContainerForm/DataHeaderForm/m_uints"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0] == 2
-        assert py[0][3][2] == 589824
+        for elem in [True,False]:
+            branch = file["POOLContainerForm/DataHeaderForm/m_uints"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][0] == 2
+            assert py[0][3][2] == 589824
         # py[-1] == <STLVector [[1], ...] at 0x7fc153ed6670>
 
 
@@ -76,203 +81,222 @@ def test_04():
 
 def test_06():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/AnalysisJetsAuxDyn.NumTrkPt500"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1][-2] == 0
+        for elem in [True,False]:
+            branch = file["CollectionTree/AnalysisJetsAuxDyn.NumTrkPt500"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][-1][-2] == 0
         # py[-1] == <STLVector [[7, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], ...] at 0x7f1377d56610>
 
 
 def test_07():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/AnalysisJetsAuxDyn.SumPtTrkPt500"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][2][0] == pytest.approx(53949.015625)
+        for elem in [True,False]:
+            branch = file["CollectionTree/AnalysisJetsAuxDyn.SumPtTrkPt500"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][2][0] == pytest.approx(53949.015625)
         # py[-1] == <STLVector [[28132.615, 38298.348, 0.0, 0.0, 0.0, 665.71674, ..., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], ...] at 0x7f225f7496a0>
 
 
-def test_08():
-    with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/AnalysisJetsAuxDyn.GhostTrack"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        py = branch.array(interp, library="np", entry_stop=2)
+# def test_08():
+#     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
+#         branch = file["CollectionTree/AnalysisJetsAuxDyn.GhostTrack"]
+#         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+#         py = branch.array(interp, library="np", entry_stop=2)
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fc6a08f2f70>, ...], ...] at 0x7fc6a08f2f10>
 
 
 def test_09():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree"][
-            "AntiKt10UFOCSSKJetsAuxDyn.GhostVR30Rmax4Rmin02TrackJet_BTagging201903"
-        ]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0]["m_persKey"] == 352341021
+        for elem in [True,False]:
+            branch = file["CollectionTree"][
+                "AntiKt10UFOCSSKJetsAuxDyn.GhostVR30Rmax4Rmin02TrackJet_BTagging201903"
+            ]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][0]["m_persKey"] == 352341021
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7febbf1b2fa0>], ...] at 0x7febbf1b2f40>
 
 
 def test_10():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/CaloCalTopoClustersAuxDyn.e_sampl"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0][0] == pytest.approx(168.03048706054688)
+        for elem in [True,False]:
+            branch = file["CollectionTree/CaloCalTopoClustersAuxDyn.e_sampl"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=3)
+            assert py[0][0][0] == pytest.approx(168.03048706054688)
         # py[-1] == <STLVector [[4499.692, 26934.783, 75009.02, 676.8455, 15.539482], ...] at 0x7fe3240a09a0>
 
 
 def test_11():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree"][
-            "TruthBosonsWithDecayVerticesAuxDyn.incomingParticleLinks"
-        ]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0]["m_persKey"] == 921521854
+        for elem in [True,False]:
+            branch = file["CollectionTree"][
+                "TruthBosonsWithDecayVerticesAuxDyn.incomingParticleLinks"
+            ]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][0]["m_persKey"] == 921521854
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7f636a9484c0>], ...] at 0x7f636a948eb0>
 
 
 def test_12():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/TruthBottomAuxDyn.parentLinks"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][0]["m_persIndex"] == 2
+        for elem in [True,False]:
+            branch = file["CollectionTree/TruthBottomAuxDyn.parentLinks"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][0]["m_persIndex"] == 2
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::TruthParticle_v1>> (version 1) at 0x7fc259ae37c0>], ...] at 0x7fc259ae3f10>
 
 
 def test_13():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/egammaClustersAuxDyn.constituentClusterLinks"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0][0]["m_persIndex"] == 0
+        for elem in [True,False]:
+            branch = file["CollectionTree/egammaClustersAuxDyn.constituentClusterLinks"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=3)
+            assert py[0][0][0]["m_persIndex"] == 0
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::CaloCluster_v1>> (version 1) at 0x7fa94e968c10>], ...] at 0x7fa94e968c70>
 
 
 def test_14():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/egammaClustersAuxDyn.eta_sampl"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=3)
-        assert py[0][0][-1] == pytest.approx(0.4663555920124054)
+        for elem in [True,False]:
+            branch = file["CollectionTree/egammaClustersAuxDyn.eta_sampl"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=3)
+            assert py[0][0][-1] == pytest.approx(0.4663555920124054)
         # py[-1] == <STLVector [[-0.53503126, -0.5374735, -0.5373216, -0.52376634]] at 0x7f5d2ba80d30>
 
 
 def test_15():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/AnalysisHLT_mu24_ilooseAuxDyn.TrigMatchedObjects"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1][-1]["m_persKey"] == 980095599
+        for elem in [True,False]:
+            branch = file["CollectionTree/AnalysisHLT_mu24_ilooseAuxDyn.TrigMatchedObjects"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][-1][-1]["m_persKey"] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fb9b9d24c10>], ...] at 0x7fb9b9d29250>
 
 
 def test_16():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        branch = file["CollectionTree/AnalysisHLT_mu40AuxDyn.TrigMatchedObjects"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][0]["m_persKey"][0] == 980095599
+        for elem in [True,False]:
+            branch = file["CollectionTree/AnalysisHLT_mu40AuxDyn.TrigMatchedObjects"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][0]["m_persKey"][0] == 980095599
         # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7f6e29be5cd0>], ...] at 0x7f6e29bea250>
 
 
 def test_17():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/AAObject/usr_names"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=None)
-        assert len(py[0]) == 0
+        for elem in [True,False]:
+            branch = file["E/Evt/AAObject/usr_names"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=None)
+            assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7f6afa6ead00>
 
 
 def test_18():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/hits/hits.t"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0] == pytest.approx(70104010.0)
+        for elem in [True,False]:
+            branch = file["E/Evt/hits/hits.t"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0] == pytest.approx(70104010.0)
         # py[-1] == array([80860738., 80861689., 80862014., 80861709., 80861737., 80861158., 80862362., 80860821., 80862271., 80862273., 80861294., 80861860., 80862548., 80861733., 80861605., 80860467., 80860408., 80861562., 80862012., 80862350., 80861491., 80860384., 80860930., 80861541., 80861461., 80861749., 80862352., 80861813., 80861822., 80861871., 80862000., 80862255., 80862253., 80862249., 80862266., 80862248., 80862246., 80862847., 80863032., 80861952., 80861954., 80861953., 80861957., 80861951., 80861961., 80861959., 80861955., 80861994., 80862060., 80861971., 80862004., 80862002., 80862059., 80861695., 80861813., 80861967., 80862919., 80862043., 80862054., 80862044., 80862044., 80862040., 80862043., 80862037., 80862040., 80862039., 80862070., 80862042., 80862322., 80861605., 80861865., 80863034., 80862987., 80861545., 80860392., 80861003., 80861564., 80862109., 80861821., 80862083., 80861121., 80862513., 80862513., 80862731., 80861604., 80862003., 80861910., 80861854., 80862297., 80860989., 80862948., 80862075., 80862141., 80862117., 80862039., 80862114., 80862075., 80862042., 80862072., 80862439., 80862481., 80861656., 80862096., 80862215., 80862215., 80862195., 80862458., 80862432., 80861915., 80861012., 80862208., 80861885., 80861888., 80861994., 80861883., 80862194., 80861812., 80862184., 80862309., 80862297., 80862840., 80862400., 80861565., 80862226., 80862149.])
 
 
 def test_19():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/hits/hits.a"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == 0.0
+        for elem in [True,False]:
+            branch = file["E/Evt/hits/hits.a"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][-1] == 0.0
         # py[-1] == array([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])
 
 
 def test_20():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/hits/hits.trig"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][5] == 1
+        for elem in [True,False]:
+            branch = file["E/Evt/hits/hits.trig"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][5] == 1
         # py[-1] == array([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0], dtype=int32)
 
 
 def test_21():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/hits/hits.tot"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0] == 24
+        for elem in [True,False]:
+            branch = file["E/Evt/hits/hits.tot"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0] == 24
         # py[-1] == array([29, 26, 22, 18, 22, 28, 28, 28, 21, 24, 28, 30, 25, 24, 30, 28, 29, 4, 21, 25, 26, 22, 23, 22, 23, 29, 23, 30, 24, 29, 31, 27, 32, 28, 30, 33, 33, 31, 29, 18, 23, 34, 21, 33, 33, 29, 37, 23, 21, 40, 25, 29, 22, 17, 31, 25, 28, 26, 21, 20, 25, 51, 38, 64, 42, 28, 29, 26, 21, 31, 22, 18, 41, 28, 29, 28, 29, 15, 25, 27, 24, 28, 28, 34, 28, 21, 19, 21, 20, 24, 26, 24, 13, 22, 30, 25, 17, 27, 24, 16, 31, 27, 29, 23, 26, 25, 26, 28, 12, 18, 30, 27, 48, 16, 25, 24, 27, 10, 21, 25, 30, 26, 26, 28, 24], dtype=uint32)
 
 
 def test_22():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/hits/hits.pos.x"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][2] == 0.0
+        for elem in [True,False]:
+            branch = file["E/Evt/hits/hits.pos.x"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][2] == 0.0
         # py[-1] == array([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])
 
 
 def test_23():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/trks/trks.usr_names"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert len(py[0][0]) == 0
+        for elem in [True,False]:
+            branch = file["E/Evt/trks/trks.usr_names"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert len(py[0][0]) == 0
         # py[-1] == array([<STLVector [] at 0x7f09da748f70>, <STLVector [] at 0x7f09da75a5b0>, <STLVector [] at 0x7f09da75a610>, <STLVector [] at 0x7f09da75a670>, <STLVector [] at 0x7f09da75a6d0>, <STLVector [] at 0x7f09da75a730>, <STLVector [] at 0x7f09da75a790>, <STLVector [] at 0x7f09da75a7f0>, <STLVector [] at 0x7f09da75a850>, <STLVector [] at 0x7f09da75a8b0>, <STLVector [] at 0x7f09da75a910>, <STLVector [] at 0x7f09da75a970>, <STLVector [] at 0x7f09da75a9d0>, <STLVector [] at 0x7f09da75aa30>, <STLVector [] at 0x7f09da75aa90>, <STLVector [] at 0x7f09da75aaf0>, <STLVector [] at 0x7f09da75ab50>, <STLVector [] at 0x7f09da75abb0>, <STLVector [] at 0x7f09da75ac10>, <STLVector [] at 0x7f09da75ac70>, <STLVector [] at 0x7f09da75acd0>, <STLVector [] at 0x7f09da75ad30>, <STLVector [] at 0x7f09da75ad90>, <STLVector [] at 0x7f09da75adf0>, <STLVector [] at 0x7f09da75ae50>, <STLVector [] at 0x7f09da75aeb0>, <STLVector [] at 0x7f09da75af10>, <STLVector [] at 0x7f09da75af70>, <STLVector [] at 0x7f09da75afd0>, <STLVector [] at 0x7f09da75f070>, <STLVector [] at 0x7f09da75f0d0>, <STLVector [] at 0x7f09da75f130>, <STLVector [] at 0x7f09da75f190>, <STLVector [] at 0x7f09da75f1f0>, <STLVector [] at 0x7f09da75f250>, <STLVector [] at 0x7f09da75f2b0>, <STLVector [] at 0x7f09da75f310>, <STLVector [] at 0x7f09da75f370>, <STLVector [] at 0x7f09da75f3d0>, <STLVector [] at 0x7f09da75f430>, <STLVector [] at 0x7f09da75f490>, <STLVector [] at 0x7f09da75f4f0>, <STLVector [] at 0x7f09da75f550>, <STLVector [] at 0x7f09da75f5b0>, <STLVector [] at 0x7f09da75f610>, <STLVector [] at 0x7f09da75f670>, <STLVector [] at 0x7f09da75f6d0>, <STLVector [] at 0x7f09da75f730>, <STLVector [] at 0x7f09da75f790>, <STLVector [] at 0x7f09da75f7f0>, <STLVector [] at 0x7f09da75f850>, <STLVector [] at 0x7f09da75f8b0>, <STLVector [] at 0x7f09da75f910>, <STLVector [] at 0x7f09da75f970>, <STLVector [] at 0x7f09da75f9d0>], dtype=object)
 
 
 def test_24():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        branch = file["E/Evt/trks/trks.rec_stages"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][1][-1] == 5
+        for elem in [True,False]:
+            branch = file["E/Evt/trks/trks.rec_stages"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][1][-1] == 5
         # py[-1] == array([<STLVector [1, 3, 5, 4] at 0x7fea61938d60>, <STLVector [1, 3, 5] at 0x7fea6194a4f0>, <STLVector [1, 3] at 0x7fea6194a580>, <STLVector [1, 3] at 0x7fea6194a5e0>, <STLVector [1, 3] at 0x7fea6194a640>, <STLVector [1, 3] at 0x7fea6194a6a0>, <STLVector [1, 3] at 0x7fea6194a700>, <STLVector [1, 3] at 0x7fea6194a760>, <STLVector [1, 3] at 0x7fea6194a7c0>, <STLVector [1, 3] at 0x7fea6194a820>, <STLVector [1, 3] at 0x7fea6194a880>, <STLVector [1, 3] at 0x7fea6194a8e0>, <STLVector [1, 3] at 0x7fea6194a940>, <STLVector [1, 3] at 0x7fea6194a9a0>, <STLVector [1, 3] at 0x7fea6194aa00>, <STLVector [1, 3] at 0x7fea6194aa60>, <STLVector [1, 3] at 0x7fea6194aac0>, <STLVector [1, 3] at 0x7fea6194ab20>, <STLVector [1, 3] at 0x7fea6194ab80>, <STLVector [1] at 0x7fea6194abe0>, <STLVector [1] at 0x7fea6194ac40>, <STLVector [1] at 0x7fea6194aca0>, <STLVector [1] at 0x7fea6194ad00>, <STLVector [1] at 0x7fea6194ad60>, <STLVector [1] at 0x7fea6194adc0>, <STLVector [1] at 0x7fea6194ae20>, <STLVector [1] at 0x7fea6194ae80>, <STLVector [1] at 0x7fea6194aee0>, <STLVector [1] at 0x7fea6194af40>, <STLVector [1] at 0x7fea6194afa0>, <STLVector [1] at 0x7fea6194e040>, <STLVector [1] at 0x7fea6194e0a0>, <STLVector [1] at 0x7fea6194e100>, <STLVector [1] at 0x7fea6194e160>, <STLVector [1] at 0x7fea6194e1c0>, <STLVector [1] at 0x7fea6194e220>, <STLVector [1] at 0x7fea6194e280>, <STLVector [1] at 0x7fea6194e2e0>, <STLVector [1] at 0x7fea6194e340>, <STLVector [1] at 0x7fea6194e3a0>, <STLVector [1] at 0x7fea6194e400>, <STLVector [1] at 0x7fea6194e460>, <STLVector [1] at 0x7fea6194e4c0>, <STLVector [1] at 0x7fea6194e520>, <STLVector [1] at 0x7fea6194e580>, <STLVector [1] at 0x7fea6194e5e0>, <STLVector [1] at 0x7fea6194e640>, <STLVector [1] at 0x7fea6194e6a0>, <STLVector [1] at 0x7fea6194e700>, <STLVector [1] at 0x7fea6194e760>, <STLVector [1] at 0x7fea6194e7c0>, <STLVector [1] at 0x7fea6194e820>, <STLVector [1] at 0x7fea6194e880>, <STLVector [1] at 0x7fea6194e8e0>, <STLVector [1] at 0x7fea6194e940>], dtype=object)
 
 
 def test_25():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        branch = file["config/VERSION/VERSION._name"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == "numuCCAnalysis"
+        for elem in [True,False]:
+            branch = file["config/VERSION/VERSION._name"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][-1] == "numuCCAnalysis"
         # py[-1] == array(['psychePolicy', 'psycheEventModel', 'psycheCore', 'psycheUtils', 'psycheND280Utils', 'psycheIO', 'psycheSelections', 'psycheSystematics', 'highlandEventModel', 'highlandTools', 'highlandCore', 'highlandCorrections', 'highlandIO', 'baseAnalysis', 'baseTrackerAnalysis', 'numuCCAnalysis'], dtype=object)
 
 
@@ -286,21 +310,23 @@ def test_25():
 
 def test_27():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        branch = file["config/SEL/SEL._branchAlias"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][-1] == "muFGD+Np"
+        for elem in [True,False]:
+            branch = file["config/SEL/SEL._branchAlias"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][-1] == "muFGD+Np"
         # py[-1] == array([<STLVector ['muTPC', 'muTPC+pTPC', ..., 'muFGD+Np'] at 0x7f1d79005a90>], dtype=object)
 
 
 def test_28():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        branch = file["config/SEL/SEL._nCutsInBranch"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][-1] == 10
+        for elem in [True,False]:
+            branch = file["config/SEL/SEL._nCutsInBranch"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][-1] == 10
         # py[-1] == array([<STLVector [8, 9, 10, 11, 10, 7, 6, 7, 7, 8, 11, 10] at 0x7f409846fa00>], dtype=object)
 
 
@@ -314,150 +340,165 @@ def test_28():
 
 def test_30():
     with uproot.open(skhep_testdata.data_path("uproot-issue243-new.root")) as file:
-        branch = file["triggerList/triggerMap/triggerMap.first"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=16)
-        assert len(py[0]) == 0
+        for elem in [True,False]:
+            branch = file["triggerList/triggerMap/triggerMap.first"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=16)
+            assert len(py[0]) == 0
         # py[-1] == array(['HLT_2j35_bmv2c2060_split_2j35_L14J15.0ETA25', 'HLT_j100_2j55_bmv2c2060_split'], dtype=object)
 
 
 def test_31():
     with uproot.open(skhep_testdata.data_path("uproot-issue-308.root")) as file:
-        branch = file["MetaData/BranchIDLists"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][0][-1] == 2428801822
+        for elem in [True,False]:
+            branch = file["MetaData/BranchIDLists"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0][-1] == 2428801822
         # py[-1] == <STLVector [[1971320715, 1805338087, 475485005, ..., 2417357619, 128868952, 2428801822], ...] at 0x7f0a7dd4a1f0>
 
 
 def test_32():
     with uproot.open(skhep_testdata.data_path("uproot-issue31.root")) as file:
-        branch = file["T/data/name"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == "two"
+        for elem in [True,False]:
+            branch = file["T/data/name"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1] == "two"
         # py[-1] == "two"
 
 
 def test_33():
     with uproot.open(skhep_testdata.data_path("uproot-issue367b.root")) as file:
-        branch = file["tree/weights"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][4]["1"][-1] == 1.0
+        for elem in [True,False]:
+            branch = file["tree/weights"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][4]["1"][-1] == 1.0
         # py[-1] == <STLMap {'expskin_FluxUnisim': [0.944759093019904, 1.0890682745548674, ..., 1.1035170311451232, 0.8873957186284592], ...} at 0x7f4443068ca0>
 
 
 def test_34():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        branch = file["Header/Header./Header.geant4Version"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1] == "$Name: geant4-10-05-patch-01 $"
+        for elem in [True,False]:
+            branch = file["Header/Header./Header.geant4Version"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1] == "$Name: geant4-10-05-patch-01 $"
 
 
 def test_35():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["1"][0]["name"] == "anti_alpha"
+        for elem in [True,False]:
+            branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0]["1"][0]["name"] == "anti_alpha"
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7fb557996df0>, ...} at 0x7fb557a012e0>
 
 
 def test_36():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        branch = file["Model/Model./Model.samplerNamesUnique"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1] == "MP_F_99."
+        for elem in [True,False]:
+            branch = file["Model/Model./Model.samplerNamesUnique"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][-1] == "MP_F_99."
         # py[-1] == <STLVector ['DRIFT_0.', 'PRXSE01A.', ..., 'PRBHF_99.', 'MP_F_99.'] at 0x7f22f206df10>
 
 
 def test_37():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        branch = file["Model/Model./Model.staPos"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][555]["fZ"] == 100.94856572890848
+        for elem in [True,False]:
+            branch = file["Model/Model./Model.staPos"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][555]["fZ"] == 100.94856572890848
         # py[-1] == array([<TVector3 (version 3) at 0x7f3385c9cbe0>, <TVector3 (version 3) at 0x7f3385c9cc10>, <TVector3 (version 3) at 0x7f3385c9cc40>, ..., <TVector3 (version 3) at 0x7f3385b0cfd0>, <TVector3 (version 3) at 0x7f3385a9e040>, <TVector3 (version 3) at 0x7f3385a9e070>], dtype=object)
 
 
 def test_38():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        branch = file["Event/PRBHF_46."]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["zp"][0] == pytest.approx(0.9999998807907104)
+        for elem in [True,False]:
+            branch = file["Event/PRBHF_46."]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0]["zp"][0] == pytest.approx(0.9999998807907104)
         # py[-1] == <BDSOutputROOTEventSampler<float> (version 4) at 0x7f9be2f7b2e0>
 
 
 def test_39():
     with uproot.open(skhep_testdata.data_path("uproot-issue399.root")) as file:
-        branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1]["0"] == -1000020030
+        for elem in [True,False]:
+            branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1]["0"] == -1000020030
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f6d05752220>, ...} at 0x7f6d057397f0>
 
 
 def test_40():
     with uproot.open(skhep_testdata.data_path("uproot-issue-407.root")) as file:
-        branch = file["tree/branch"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["fDatime"] == 1749155840
+        for elem in [True,False]:
+            branch = file["tree/branch"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0]["fDatime"] == 1749155840
         # py[-1] == <TDatime at 0x7f79c7368430>
 
 
 def test_41():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
-        branch = file["Event/Trajectory./Trajectory.XYZ"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert len(py[0]) == 0
+        for elem in [True,False]:
+            branch = file["Event/Trajectory./Trajectory.XYZ"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
 
 def test_42():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
-        branch = file["Event/Trajectory./Trajectory.energyDeposit"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert len(py[0]) == 0
+        for elem in [True,False]:
+            branch = file["Event/Trajectory./Trajectory.energyDeposit"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7feac87629a0>
 
 
 def test_43():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
-        branch = file["Event/Trajectory./Trajectory.ionA"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert len(py[0]) == 0
+        for elem in [True,False]:
+            branch = file["Event/Trajectory./Trajectory.ionA"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert len(py[0]) == 0
         # py[-1] == <STLVector [] at 0x7f90c6543af0>
 
 
 def test_44():
     with uproot.open(skhep_testdata.data_path("uproot-issue46.root")) as file:
-        branch = file["tree/evt"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["ArrayBool"][-1] == True
+        for elem in [True,False]:
+            branch = file["tree/evt"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0]["ArrayBool"][-1] == True
         # py[-1] == <Event (version 1) at 0x7f1e3aef2dc0>
 
 
@@ -479,11 +520,12 @@ def test_44():
 
 def test_47():
     with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
-        branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][-1]["1"]["mass"] == pytest.approx(3.727379)
+        for elem in [True,False]:
+            branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][-1]["1"]["mass"] == pytest.approx(3.727379)
         # py[-1] == <STLMap {-1000020040: <BDSOutputROOTGeant4Data::ParticleInfo (version 1) at 0x7f53a43c2220>, ...} at 0x7f53a44278b0>
 
 
@@ -514,50 +556,55 @@ def test_47():
 
 def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
-        branch = file["EDepSimEvents/Event/Primaries/Primaries.GeneratorName"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][0] == "GENIE:fixed@density-fixed"
+        for elem in [True,False]:
+            branch = file["EDepSimEvents/Event/Primaries/Primaries.GeneratorName"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][0] == "GENIE:fixed@density-fixed"
 
 
 def test_52():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
-        branch = file["Delphes/EFlowPhoton/EFlowPhoton.Particles"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][-1]["refs"][-1] == 2223
+        for elem in [True,False]:
+            branch = file["Delphes/EFlowPhoton/EFlowPhoton.Particles"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][-1]["refs"][-1] == 2223
         # py[-1] == array([<TRefArray [2407] at 0x7f7888dff0d0>, <TRefArray [2411] at 0x7f7888dee100>, <TRefArray [2405] at 0x7f7888dff130>, <TRefArray [2406] at 0x7f7888dff1f0>, <TRefArray [2523] at 0x7f7888dff280>, <TRefArray [2352] at 0x7f7888dff310>, <TRefArray [2192] at 0x7f7888dff3a0>, <TRefArray [2425] at 0x7f7888dff430>, <TRefArray [2340] at 0x7f7888dff4c0>, <TRefArray [2533] at 0x7f7888dff550>, <TRefArray [2264] at 0x7f7888dff5e0>, <TRefArray [2263] at 0x7f7888dff670>, <TRefArray [2396] at 0x7f7888dff700>, <TRefArray [2519] at 0x7f7888dff790>, <TRefArray [2044] at 0x7f7888dff820>, <TRefArray [2273] at 0x7f7888dff8b0>, <TRefArray [2270] at 0x7f7888dff940>, <TRefArray [2388] at 0x7f7888dff9d0>, <TRefArray [2473] at 0x7f7888dffa60>, <TRefArray [2272] at 0x7f7888dffaf0>, <TRefArray [2475] at 0x7f7888dffb80>, <TRefArray [2212] at 0x7f7888dffc10>, <TRefArray [2220] at 0x7f7888dffca0>, <TRefArray [2358] at 0x7f7888dffd30>, <TRefArray [2472] at 0x7f7888dffdc0>, <TRefArray [2359] at 0x7f7888dffe50>, <TRefArray [2360] at 0x7f7888dffee0>, <TRefArray [2201] at 0x7f7888dfff70>, <TRefArray [2362] at 0x7f7888e02040>, <TRefArray [2537] at 0x7f7888e020d0>, <TRefArray [2230] at 0x7f7888e02160>, <TRefArray [2488] at 0x7f7888e021f0>, <TRefArray [2307] at 0x7f7888e02280>, <TRefArray [2570] at 0x7f7888e02310>, <TRefArray [2569] at 0x7f7888e023a0>, <TRefArray [2515] at 0x7f7888e02430>, <TRefArray [2423] at 0x7f7888e024c0>, <TRefArray [2571] at 0x7f7888e02550>, <TRefArray [2578] at 0x7f7888e025e0>, <TRefArray [2386] at 0x7f7888e02670>, <TRefArray [2579] at 0x7f7888e02700>, <TRefArray [2580] at 0x7f7888e02790>, <TRefArray [2556] at 0x7f7888e02820>, <TRefArray [2555] at 0x7f7888e028b0>, <TRefArray [2355] at 0x7f7888e02940>, <TRefArray [2222, 2223] at 0x7f7888e029d0>], dtype=object)
 
 
 def test_53():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
-        branch = file["Delphes/Jet/Jet.SoftDroppedSubJet2"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1]["fE"] == 0.0
+        for elem in [True,False]:
+            branch = file["Delphes/Jet/Jet.SoftDroppedSubJet2"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][-1]["fE"] == 0.0
         # py[-1] == array([<TLorentzVector (version 4) at 0x7f6a396bf2b0>, <TLorentzVector (version 4) at 0x7f6a396bf250>, <TLorentzVector (version 4) at 0x7f6a396bf1f0>, <TLorentzVector (version 4) at 0x7f6a396bf190>, <TLorentzVector (version 4) at 0x7f6a396bf130>, <TLorentzVector (version 4) at 0x7f6a396bf0d0>], dtype=object)
 
 
 def test_54():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
-        branch = file["Delphes/Jet/Jet.TrimmedP4[5]"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0][-1][4]["fE"] == 0.0
+        for elem in [True,False]:
+            branch = file["Delphes/Jet/Jet.TrimmedP4[5]"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][-1][4]["fE"] == 0.0
         # py[-1] == array([[<TLorentzVector (version 4) at 0x7f6a02cb3220>, <TLorentzVector (version 4) at 0x7f6a02cb3280>, <TLorentzVector (version 4) at 0x7f6a02cb3fd0>, <TLorentzVector (version 4) at 0x7f6a02cb3f70>, <TLorentzVector (version 4) at 0x7f6a02cb3f10>], [<TLorentzVector (version 4) at 0x7f6a02cb3eb0>, <TLorentzVector (version 4) at 0x7f6a02cb3e50>, <TLorentzVector (version 4) at 0x7f6a02cb3df0>, <TLorentzVector (version 4) at 0x7f6a02cb3d90>, <TLorentzVector (version 4) at 0x7f6a02cb3d30>], [<TLorentzVector (version 4) at 0x7f6a02cb3cd0>, <TLorentzVector (version 4) at 0x7f6a02cb3c70>, <TLorentzVector (version 4) at 0x7f6a02cb3c10>, <TLorentzVector (version 4) at 0x7f6a02cb3bb0>, <TLorentzVector (version 4) at 0x7f6a02cb3b50>], [<TLorentzVector (version 4) at 0x7f6a02cb3af0>, <TLorentzVector (version 4) at 0x7f6a02cb3a90>, <TLorentzVector (version 4) at 0x7f6a02cb3a30>, <TLorentzVector (version 4) at 0x7f6a02cb39d0>, <TLorentzVector (version 4) at 0x7f6a02cb3970>], [<TLorentzVector (version 4) at 0x7f6a02cb3910>, <TLorentzVector (version 4) at 0x7f6a02cb38b0>, <TLorentzVector (version 4) at 0x7f6a02cb3850>, <TLorentzVector (version 4) at 0x7f6a02cb34f0>, <TLorentzVector (version 4) at 0x7f6a02cb3580>], [<TLorentzVector (version 4) at 0x7f6a02cb3430>, <TLorentzVector (version 4) at 0x7f6a02cb33d0>, <TLorentzVector (version 4) at 0x7f6a02cb3370>, <TLorentzVector (version 4) at 0x7f6a02cb32e0>, <TLorentzVector (version 4) at 0x7f6a02cba910>]], dtype=object)
 
 
 def test_55():
     with uproot.open(skhep_testdata.data_path("uproot-issue519.root")) as file:
-        branch = file["testtree/testbranch"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][5] == pytest.approx(0.346174418926239)
+        for elem in [True,False]:
+            branch = file["testtree/testbranch"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1][5] == pytest.approx(0.346174418926239)
         # py[-1] == <STLVector [[0.15334472, 0.10603446, 0.004459681, 0.0222604, 0.38413692, 0.39519757], ...] at 0x7f38c4650eb0>
 
 
@@ -565,241 +612,265 @@ def test_56():
     with uproot.open(
         skhep_testdata.data_path("uproot-small-evnt-tree-nosplit.root")
     ) as file:
-        branch = file["tree/evt"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1]["SliceU64"][0] == 1
+        for elem in [True,False]:
+            branch = file["tree/evt"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1]["SliceU64"][0] == 1
         # py[-1] == <Event (version 1) at 0x7fecdbf61dc0>
 
 
 def test_57():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/vector_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1] == "two"
         # py[-1] == <STLVector ['one', 'two'] at 0x7fdeeb3f8d90>
 
 
 def test_58():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_tstring"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/vector_tstring"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1] == "two"
         # py[-1] == <STLVector ['one', 'two'] at 0x7f42edc0c0a0>
 
 
 def test_59():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_vector_int32"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/vector_vector_int32"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1][1] == 2
         # py[-1] == <STLVector [[1], [1, 2]] at 0x7ff36af3c2b0>
 
 
 def test_60():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_vector_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/vector_vector_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7fae23700eb0>
 
 
 def test_61():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_vector_tstring"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/vector_vector_tstring"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [['one'], ['one', 'two']] at 0x7f06ad24c460>
 
 
 def test_62():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_set_int32"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/vector_set_int32"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1][1] == 2
         # py[-1] == <STLVector [{1}, {1, 2}] at 0x7f7f97e88880>
 
 
 def test_63():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/vector_set_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/vector_set_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1][1] == "two"
         # py[-1] == <STLVector [{'one'}, {'one', 'two'}] at 0x7fb29ded7370>
 
 
 def test_64():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/set_int32"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/set_int32"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1] == 2
         # py[-1] == <STLSet {1, 2} at 0x7f47a620e310>
 
 
 def test_65():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/set_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/set_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1][1] == "two"
         # py[-1] == <STLSet {'one', 'two'} at 0x7f5ffd9ff1c0>
 
 
 def test_66():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[-1]["1"][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_int32_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[-1]["1"][1] == 2
         # py[-1] == <STLMap {1: 1, 2: 2} at 0x7f23be1efbe0>
 
 
 def test_67():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_vector_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_int32_vector_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {1: [1], 2: [1, 2]} at 0x7f899441d2b0>
 
 
 def test_68():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_vector_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/map_int32_vector_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {1: ['one'], 2: ['one', 'two']} at 0x7fd19d3288b0>
 
 
 def test_69():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_set_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_int32_set_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {1: {1}, 2: {1, 2}} at 0x7f2b3f1b5fa0>
 
 
 def test_70():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_set_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/map_int32_set_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {1: {'one'}, 2: {'one', 'two'}} at 0x7f4718b237c0>
 
 
 def test_71():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_string_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"] == 2
         # py[-1] == <STLMap {'one': 1, 'two': 2} at 0x7f4179bed1f0>
 
 
 def test_72():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_vector_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_string_vector_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {'one': [1], 'two': [1, 2]} at 0x7f26376e9b20>
 
 
 def test_73():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_vector_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/map_string_vector_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {'one': ['one'], 'two': ['one', 'two']} at 0x7f3e45d34910>
 
 
 def test_74():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_set_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_string_set_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == 2
         # py[-1] == <STLMap {'one': {1}, 'two': {1, 2}} at 0x7f5a94b1c760>
 
 
 def test_75():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_set_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1] == "two"
+        for elem in [True,False]:
+            branch = file["tree/map_string_set_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1] == "two"
         # py[-1] == <STLMap {'one': {'one'}, 'two': {'one', 'two'}} at 0x7f1a1e95aa90>
 
 
 def test_76():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_vector_vector_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_int32_vector_vector_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1][1] == 2
         # py[-1] == <STLMap {1: [[1]], 2: [[1], [1, 2]]} at 0x7fc98bd7ec10>
 
 
 def test_77():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_int32_vector_set_int16"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"][1][1] == 2
+        for elem in [True,False]:
+            branch = file["tree/map_int32_vector_set_int16"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"][1][1] == 2
         # py[-1] == <STLMap {1: [{1}], 2: [{1}, {1, 2}]} at 0x7fcf9b191610>
 
 
 def test_78():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_string"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"] == "TWO"
+        for elem in [True,False]:
+            branch = file["tree/map_string_string"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"] == "TWO"
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f887b27cb20>
 
 
 def test_79():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        branch = file["tree/map_string_tstring"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[1][1]["1"] == "TWO"
+        for elem in [True,False]:
+            branch = file["tree/map_string_tstring"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[1][1]["1"] == "TWO"
         # py[-1] == <STLMap {'one': 'ONE', 'two': 'TWO'} at 0x7f4c4e527610>
 
 
@@ -807,19 +878,21 @@ def test_80():
     with uproot.open(
         skhep_testdata.data_path("uproot-vectorVectorDouble.root")
     ) as file:
-        branch = file["t/x"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="np", entry_stop=2)
-        assert len(py[0]) == 0
+        for elem in [True,False]:
+            branch = file["t/x"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="np", entry_stop=2)
+            assert len(py[0]) == 0
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>
 
 
 def test_81():
     with uproot.open(skhep_testdata.data_path("uproot-HZZ-objects.root")) as file:
-        branch = file["events/MET"]
-        interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-        interp._forth = True
-        py = branch.array(interp, library="ak", entry_stop=2)
-        assert py[0]["fY"] == pytest.approx(2.5636332035064697)
+        for elem in [True,False]:
+            branch = file["events/MET"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0]["fY"] == pytest.approx(2.5636332035064697)
         # py[-1] == <STLVector [[], []] at 0x7f046a6951f0>

From 5cf8e48525518157e71a3d86b6d1400081ff3e6c Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Mon, 12 Sep 2022 16:31:08 +0530
Subject: [PATCH 33/41] refactor forth generation

---
 src/uproot/_awkward_forth.py                  | 106 ++++-------
 src/uproot/containers.py                      |   6 +-
 src/uproot/interpretation/objects.py          |   4 +-
 src/uproot/streamers.py                       |   6 +-
 .../test_0637-setup-tests-for-AwkwardForth.py | 164 +++++++++---------
 5 files changed, 121 insertions(+), 165 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 7399da599..2f2376e39 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -36,14 +36,11 @@ class ForthGenerator:
     """
 
     def __init__(self, aform=None, count_obj=0, var_set=False):
-        self.dummy_form = False
-        self.top_dummy = None
-        self.dummy_aform = None
         self.aform = aform
         self.top_form = None
         self.prev_form = None
         self.awkward_model = {"name": "TOP", "content": {}}
-        self._prev_node = self.awkward_model
+        self.top_node = self.awkward_model
         self.ref_list = []
         self.forth_code = {}
         self.forth_keys = {}
@@ -61,9 +58,9 @@ def traverse_aform(self):
     def replace_form_and_model(self, form, model):
         temp_node = self.awkward_model
         temp_prev_form = self.prev_form
-        temp_node_top = self._prev_node
+        temp_node_top = self.top_node
         self.awkward_model = model
-        self._prev_node = self.awkward_model
+        self.top_node = self.awkward_model
         temp_form = self.aform
         temp_form_top = self.top_form
         self.top_form = None
@@ -112,77 +109,35 @@ def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.dummy_form = temp_flag
 
     def add_form(self, aform, conlen=0, traverse=1):
-        if self.dummy_form:
-            if self.dummy_aform is None:
-                self.dummy_aform = aform
-                self.top_dummy = aform
-            else:
-                if "content" in self.dummy_aform.keys():
-                    if self.dummy_aform["content"] == "NULL":
-                        self.dummy_aform["content"] = aform
-                        self.dummy_aform = self.dummy_aform["content"]
-                    else:
-                        raise ValueError
-                elif "contents" in self.dummy_aform.keys():
-                    if (
-                        len(self.dummy_aform["content"])
-                        < self.dummy_aform["parameters"]["lencon"]
-                    ):
-                        self.dummy_aform["contents"].append(aform)
-                    else:
-                        raise ValueError
+        if self.aform is None:
+            self.aform = aform
+            self.top_form = self.aform
+            if traverse == 2:
+                self.aform = self.aform["content"]
         else:
-            if self.aform is None:
-                self.aform = aform
-                self.top_form = self.aform
-                if traverse == 2:
-                    self.aform = self.aform["content"]
-            else:
-                if "content" in self.aform.keys():
-                    if self.aform["content"] == "NULL":
-                        self.aform["content"] = aform
-                        self.prev_form = self.aform
-                        if traverse == 2:
-                            self.aform = self.aform["content"]["content"]
-                            self.prev_form = self.prev_form["content"]
-                        else:
-                            self.aform = self.aform["content"]
+            if "content" in self.aform.keys():
+                if self.aform["content"] == "NULL":
+                    self.aform["content"] = aform
+                    self.prev_form = self.aform
+                    if traverse == 2:
+                        self.aform = self.aform["content"]["content"]
+                        self.prev_form = self.prev_form["content"]
                     else:
-                        raise ValueError
-                elif "contents" in self.aform.keys():
-                    if self.aform["class"] == "RecordArray":
-                        if self.prev_form is not None:
-                            self.prev_form["content"] = aform
-                            self.aform = aform
-                        else:
-                            self.top_form = aform
-                            self.aform = aform
-                        # for elem in aform['contents'].keys():
-                        #     if self.depth(self.aform['contents'][elem])< self.depth(aform['contents'][elem]):
-                        #         aform['contents'][elem] = self.replace_keys(self.aform['contents'][elem],aform['contents'][elem])
-                        #         self.aform['contents'][elem] = aform['contents'][elem]
-                    elif len(self.aform["contents"]) == conlen:
-                        pass
+                        self.aform = self.aform["content"]
+                else:
+                    raise ValueError
+            elif "contents" in self.aform.keys():
+                if self.aform["class"] == "RecordArray":
+                    if self.prev_form is not None:
+                        self.prev_form["content"] = aform
+                        self.aform = aform
                     else:
-                        raise ValueError
-
-    def depth(self, form):
-        count = 0
-        temp = form
-        while "content" in temp.keys():
-            count += 1
-            if isinstance(temp["content"], str):
-                break
-            temp = temp["content"]
-        return count
-
-    def replace_keys(self, old, new):
-        temp = new
-        while old != "NULL":
-            new["form_key"] = old["form_key"]
-            new = new["content"]
-            old = old["content"]
-        return temp
+                        self.top_form = aform
+                        self.aform = aform
+                elif len(self.aform["contents"]) == conlen:
+                    pass
+                else:
+                    raise ValueError
 
     def get_keys(self, num_keys):
         if num_keys == 1:
@@ -202,7 +157,6 @@ def add_form_key(self, key):
         self.form_keys.append(key)
 
     def go_to(self, aform):
-        # aform["content"] = self.awkward_model
         self.awkward_model = aform
 
     def become(self, aform):
@@ -212,7 +166,7 @@ def check_model(self):
         return bool(self.awkward_model)
 
     def get_current_node(self):
-        self.ref_list.append(self._prev_node)
+        self.ref_list.append(self.top_node)
         return len(self.ref_list) - 1
 
     def get_ref(self, index):
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index 88fe2fddc..d3245f640 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -1572,7 +1572,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             if helper_obj.is_forth():
                 temp = {"name": "TOP", "content": {}}
                 keys_form = forth_obj.top_form
-                keys_model = forth_obj._prev_node
+                keys_model = forth_obj.top_node
                 (
                     temp_node1,
                     temp_node_top1,
@@ -1604,11 +1604,11 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             )
             if helper_obj.is_forth():
                 values_form = forth_obj.top_form
-                values_model = forth_obj._prev_node
+                values_model = forth_obj.top_node
                 if not isinstance(self._values, numpy.dtype):
                     values_model["content"]["post_code"].append("loop \n")
                 forth_obj.awkward_model = temp_node
-                forth_obj._prev_node = temp_node_top
+                forth_obj.top_node = temp_node_top
                 forth_obj.aform = temp_form
                 forth_obj.top_form = temp_form_top
                 forth_obj.prev_form = temp_prev_form
diff --git a/src/uproot/interpretation/objects.py b/src/uproot/interpretation/objects.py
index 4350568b0..f70443aaa 100644
--- a/src/uproot/interpretation/objects.py
+++ b/src/uproot/interpretation/objects.py
@@ -261,11 +261,11 @@ def _discover_forth(self, data, byte_offsets, branch, context, cursor_offset):
                 branch.file.detached,
                 branch,
             )
-            context["forth"].gen.awkward_model = context["forth"].gen._prev_node
+            context["forth"].gen.awkward_model = context["forth"].gen.top_node
             if not context["forth"].gen.var_set:
                 context["forth"].prereaddone = True
                 self._assemble_forth(
-                    context["forth"].gen, context["forth"].gen._prev_node["content"]
+                    context["forth"].gen, context["forth"].gen.top_node["content"]
                 )
                 self._complete_forth_code = f"""input stream
 input byteoffsets
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index a646c1c29..a2093815d 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -705,7 +705,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            "        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
+            "        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj.top_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.top_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                forth_obj.add_node_whole(temp_model1, temp_model_ref)\n                content.update(temp_form1['contents'])\n                forth_obj.enable_adding()"
         )
         # read_members.append(
         #    "        if helper_obj.is_forth():\n                temp_form = forth_obj.get_temp_form_top()\n                content.update(temp_form['contents'])\n                forth_obj.set_dummy_none(temp_top_dummy, temp_dummy, temp_top_flag)\n"
@@ -1329,7 +1329,7 @@ def class_code(
         )
         read_member_n.append("    " + read_members[-1])
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+            f"        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj.top_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         strided_interpretation.append(
             f"        members.append(({self.name!r}, cls._stl_container{len(containers)}.strided_interpretation(file, header, tobject_header, breadcrumbs)))"
@@ -1560,7 +1560,7 @@ def class_code(
         # @aryan26roy: test_0637's 01,02,29,45,46,49,50,56
 
         read_members.append(
-            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj._prev_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                forth_obj._prev_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
+            f"        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {{'name': 'TOP', 'content': {{}}}})\n        self._members[{self.name!r}] = c({self.typename.rstrip('*')!r}).read(chunk, cursor, context, file, self._file, self.concrete)\n        if helper_obj.is_forth():\n                temp_prev_form1 = forth_obj.prev_form\n                temp_form1 = forth_obj.top_form\n                temp_model1 = forth_obj.top_node\n                temp_model_ref = forth_obj.awkward_model\n                forth_obj.awkward_model = temp_node\n                forth_obj.prev_form = temp_prev_form\n                forth_obj.top_node = temp_node_top\n                forth_obj.aform = temp_form\n                forth_obj.top_form = temp_form_top\n                temp_model1 = temp_model1['content']\n                content[{self.name!r}] = temp_form1\n                pre,post,init,header = forth_obj.get_code_recursive(temp_model1)\n                helper_obj.add_to_header(header)\n                helper_obj.add_to_pre(pre)\n                helper_obj.add_to_post(post)\n                helper_obj.add_to_init(init)"
         )
         read_member_n.append(
             "    "
diff --git a/tests/test_0637-setup-tests-for-AwkwardForth.py b/tests/test_0637-setup-tests-for-AwkwardForth.py
index 7147c733b..1167d7722 100644
--- a/tests/test_0637-setup-tests-for-AwkwardForth.py
+++ b/tests/test_0637-setup-tests-for-AwkwardForth.py
@@ -11,7 +11,7 @@
 
 def test_00():
     with uproot.open(skhep_testdata.data_path("issue367b.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/weights"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -22,19 +22,19 @@ def test_00():
 
 def test_01():
     with uproot.open(skhep_testdata.data_path("uproot-delphes-pr442.root")) as file:
-        for elem in [True,False]:
-                branch = file["Delphes/GenJet/GenJet.SoftDroppedSubJet1"]
-                interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
-                interp._forth = elem
-                py = branch.array(interp, library="ak", entry_stop=2)
-                assert py[0][0]["fE"] == pytest.approx(84.56447925448748)
-                assert py[0][0]["fP"]["fZ"] == pytest.approx(-81.600465)
+        for elem in [True, False]:
+            branch = file["Delphes/GenJet/GenJet.SoftDroppedSubJet1"]
+            interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
+            interp._forth = elem
+            py = branch.array(interp, library="ak", entry_stop=2)
+            assert py[0][0]["fE"] == pytest.approx(84.56447925448748)
+            assert py[0][0]["fP"]["fZ"] == pytest.approx(-81.600465)
         # py[-1] == array([<TLorentzVector (version 4) at 0x7fac4bb8d2b0>, <TLorentzVector (version 4) at 0x7fac4bb8d2e0>], dtype=object)
 
 
 def test_02():
     with uproot.open(skhep_testdata.data_path("uproot-delphes-pr442.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Delphes/GenJet/GenJet.TrimmedP4[5]"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -46,7 +46,7 @@ def test_02():
 
 def test_03():
     with uproot.open(skhep_testdata.data_path("uproot-FCCDelphesOutput.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["metadata/gaudiConfigOptions"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -61,7 +61,7 @@ def test_03():
 
 def test_04():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["POOLContainerForm/DataHeaderForm/m_uints"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -81,7 +81,7 @@ def test_04():
 
 def test_06():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/AnalysisJetsAuxDyn.NumTrkPt500"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -92,7 +92,7 @@ def test_06():
 
 def test_07():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/AnalysisJetsAuxDyn.SumPtTrkPt500"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -106,12 +106,12 @@ def test_07():
 #         branch = file["CollectionTree/AnalysisJetsAuxDyn.GhostTrack"]
 #         interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
 #         py = branch.array(interp, library="np", entry_stop=2)
-        # py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fc6a08f2f70>, ...], ...] at 0x7fc6a08f2f10>
+# py[-1] == <STLVector [[<ElementLink<DataVector<xAOD::IParticle>> (version 1) at 0x7fc6a08f2f70>, ...], ...] at 0x7fc6a08f2f10>
 
 
 def test_09():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree"][
                 "AntiKt10UFOCSSKJetsAuxDyn.GhostVR30Rmax4Rmin02TrackJet_BTagging201903"
             ]
@@ -124,7 +124,7 @@ def test_09():
 
 def test_10():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/CaloCalTopoClustersAuxDyn.e_sampl"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -135,7 +135,7 @@ def test_10():
 
 def test_11():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree"][
                 "TruthBosonsWithDecayVerticesAuxDyn.incomingParticleLinks"
             ]
@@ -148,7 +148,7 @@ def test_11():
 
 def test_12():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/TruthBottomAuxDyn.parentLinks"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -159,7 +159,7 @@ def test_12():
 
 def test_13():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/egammaClustersAuxDyn.constituentClusterLinks"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -170,7 +170,7 @@ def test_13():
 
 def test_14():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/egammaClustersAuxDyn.eta_sampl"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -181,8 +181,10 @@ def test_14():
 
 def test_15():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
-            branch = file["CollectionTree/AnalysisHLT_mu24_ilooseAuxDyn.TrigMatchedObjects"]
+        for elem in [True, False]:
+            branch = file[
+                "CollectionTree/AnalysisHLT_mu24_ilooseAuxDyn.TrigMatchedObjects"
+            ]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
             py = branch.array(interp, library="ak", entry_stop=2)
@@ -192,7 +194,7 @@ def test_15():
 
 def test_16():
     with uproot.open(skhep_testdata.data_path("uproot-issue-123a.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["CollectionTree/AnalysisHLT_mu40AuxDyn.TrigMatchedObjects"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -203,7 +205,7 @@ def test_16():
 
 def test_17():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/AAObject/usr_names"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -214,7 +216,7 @@ def test_17():
 
 def test_18():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/hits/hits.t"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -225,7 +227,7 @@ def test_18():
 
 def test_19():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/hits/hits.a"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -236,7 +238,7 @@ def test_19():
 
 def test_20():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/hits/hits.trig"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -247,7 +249,7 @@ def test_20():
 
 def test_21():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/hits/hits.tot"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -258,7 +260,7 @@ def test_21():
 
 def test_22():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/hits/hits.pos.x"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -269,7 +271,7 @@ def test_22():
 
 def test_23():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/trks/trks.usr_names"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -280,7 +282,7 @@ def test_23():
 
 def test_24():
     with uproot.open(skhep_testdata.data_path("uproot-issue390.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["E/Evt/trks/trks.rec_stages"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -291,7 +293,7 @@ def test_24():
 
 def test_25():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["config/VERSION/VERSION._name"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -310,7 +312,7 @@ def test_25():
 
 def test_27():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["config/SEL/SEL._branchAlias"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -321,7 +323,7 @@ def test_27():
 
 def test_28():
     with uproot.open(skhep_testdata.data_path("uproot-issue-208.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["config/SEL/SEL._nCutsInBranch"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -340,7 +342,7 @@ def test_28():
 
 def test_30():
     with uproot.open(skhep_testdata.data_path("uproot-issue243-new.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["triggerList/triggerMap/triggerMap.first"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -351,7 +353,7 @@ def test_30():
 
 def test_31():
     with uproot.open(skhep_testdata.data_path("uproot-issue-308.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["MetaData/BranchIDLists"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -362,7 +364,7 @@ def test_31():
 
 def test_32():
     with uproot.open(skhep_testdata.data_path("uproot-issue31.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["T/data/name"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -373,7 +375,7 @@ def test_32():
 
 def test_33():
     with uproot.open(skhep_testdata.data_path("uproot-issue367b.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/weights"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -384,7 +386,7 @@ def test_33():
 
 def test_34():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Header/Header./Header.geant4Version"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -394,7 +396,7 @@ def test_34():
 
 def test_35():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -405,7 +407,7 @@ def test_35():
 
 def test_36():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Model/Model./Model.samplerNamesUnique"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -416,7 +418,7 @@ def test_36():
 
 def test_37():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Model/Model./Model.staPos"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -427,7 +429,7 @@ def test_37():
 
 def test_38():
     with uproot.open(skhep_testdata.data_path("uproot-issue371.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Event/PRBHF_46."]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -438,7 +440,7 @@ def test_38():
 
 def test_39():
     with uproot.open(skhep_testdata.data_path("uproot-issue399.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -449,7 +451,7 @@ def test_39():
 
 def test_40():
     with uproot.open(skhep_testdata.data_path("uproot-issue-407.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/branch"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -460,7 +462,7 @@ def test_40():
 
 def test_41():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Event/Trajectory./Trajectory.XYZ"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -471,7 +473,7 @@ def test_41():
 
 def test_42():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Event/Trajectory./Trajectory.energyDeposit"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -482,7 +484,7 @@ def test_42():
 
 def test_43():
     with uproot.open(skhep_testdata.data_path("uproot-issue468.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Event/Trajectory./Trajectory.ionA"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -493,7 +495,7 @@ def test_43():
 
 def test_44():
     with uproot.open(skhep_testdata.data_path("uproot-issue46.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/evt"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -520,7 +522,7 @@ def test_44():
 
 def test_47():
     with uproot.open(skhep_testdata.data_path("uproot-issue494.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Geant4Data/Geant4Data./Geant4Data.particles"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -556,7 +558,7 @@ def test_47():
 
 def test_51():
     with uproot.open(skhep_testdata.data_path("uproot-issue510b.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["EDepSimEvents/Event/Primaries/Primaries.GeneratorName"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -566,7 +568,7 @@ def test_51():
 
 def test_52():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Delphes/EFlowPhoton/EFlowPhoton.Particles"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -577,7 +579,7 @@ def test_52():
 
 def test_53():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Delphes/Jet/Jet.SoftDroppedSubJet2"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -588,7 +590,7 @@ def test_53():
 
 def test_54():
     with uproot.open(skhep_testdata.data_path("uproot-issue513.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["Delphes/Jet/Jet.TrimmedP4[5]"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -599,7 +601,7 @@ def test_54():
 
 def test_55():
     with uproot.open(skhep_testdata.data_path("uproot-issue519.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["testtree/testbranch"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -612,7 +614,7 @@ def test_56():
     with uproot.open(
         skhep_testdata.data_path("uproot-small-evnt-tree-nosplit.root")
     ) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/evt"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -623,7 +625,7 @@ def test_56():
 
 def test_57():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -634,7 +636,7 @@ def test_57():
 
 def test_58():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_tstring"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -645,7 +647,7 @@ def test_58():
 
 def test_59():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_vector_int32"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -656,7 +658,7 @@ def test_59():
 
 def test_60():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_vector_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -667,7 +669,7 @@ def test_60():
 
 def test_61():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_vector_tstring"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -678,7 +680,7 @@ def test_61():
 
 def test_62():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_set_int32"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -689,7 +691,7 @@ def test_62():
 
 def test_63():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/vector_set_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -700,7 +702,7 @@ def test_63():
 
 def test_64():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/set_int32"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -711,7 +713,7 @@ def test_64():
 
 def test_65():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/set_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -722,7 +724,7 @@ def test_65():
 
 def test_66():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -733,7 +735,7 @@ def test_66():
 
 def test_67():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_vector_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -744,7 +746,7 @@ def test_67():
 
 def test_68():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_vector_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -755,7 +757,7 @@ def test_68():
 
 def test_69():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_set_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -766,7 +768,7 @@ def test_69():
 
 def test_70():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_set_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -777,7 +779,7 @@ def test_70():
 
 def test_71():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -788,7 +790,7 @@ def test_71():
 
 def test_72():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_vector_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -799,7 +801,7 @@ def test_72():
 
 def test_73():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_vector_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -810,7 +812,7 @@ def test_73():
 
 def test_74():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_set_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -821,7 +823,7 @@ def test_74():
 
 def test_75():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_set_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -832,7 +834,7 @@ def test_75():
 
 def test_76():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_vector_vector_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -843,7 +845,7 @@ def test_76():
 
 def test_77():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_int32_vector_set_int16"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -854,7 +856,7 @@ def test_77():
 
 def test_78():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_string"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -865,7 +867,7 @@ def test_78():
 
 def test_79():
     with uproot.open(skhep_testdata.data_path("uproot-stl_containers.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["tree/map_string_tstring"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -878,7 +880,7 @@ def test_80():
     with uproot.open(
         skhep_testdata.data_path("uproot-vectorVectorDouble.root")
     ) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["t/x"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem
@@ -889,7 +891,7 @@ def test_80():
 
 def test_81():
     with uproot.open(skhep_testdata.data_path("uproot-HZZ-objects.root")) as file:
-        for elem in [True,False]:
+        for elem in [True, False]:
             branch = file["events/MET"]
             interp = uproot.interpretation.identify.interpretation_of(branch, {}, False)
             interp._forth = elem

From 8b61178cb20132007e4dd547fc2ead75c1ff10fd Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 13 Sep 2022 13:13:15 +0530
Subject: [PATCH 34/41] remove unused function

---
 src/uproot/_awkward_forth.py | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 2f2376e39..ad2db4859 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -6,8 +6,6 @@
 
 import numpy as np
 
-import uproot.containers
-
 symbol_dict = {
     np.dtype(">f4"): "f",
     np.dtype(">f8"): "d",
@@ -22,14 +20,6 @@
 }
 
 
-def check_depth(node):
-    """
-    This method checks the depth of the provided container
-    """
-    if isinstance(node, uproot.containers.AsVector):
-        return 1
-
-
 class ForthGenerator:
     """
     This class is passed through the Forth code generation, collecting Forth snippets and concatenating them at the end.
@@ -103,11 +93,6 @@ def should_add_form(self):
     def get_temp_form_top(self):
         return self.top_dummy
 
-    def set_dummy_none(self, temp_top, temp_form, temp_flag):
-        self.top_dummy = temp_top
-        self.dummy_aform = temp_form
-        self.dummy_form = temp_flag
-
     def add_form(self, aform, conlen=0, traverse=1):
         if self.aform is None:
             self.aform = aform

From 5745f27cc6fd623451f7ded88d92b6ae05b5e409 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 13 Sep 2022 13:31:05 +0530
Subject: [PATCH 35/41] refactor code retrieval from helper class

---
 src/uproot/_awkward_forth.py | 46 ++++++++++++++++--------------------
 src/uproot/containers.py     | 35 ++++++---------------------
 src/uproot/model.py          | 15 +++---------
 src/uproot/models/TDatime.py |  5 +---
 src/uproot/models/TObject.py |  5 +---
 src/uproot/models/TRef.py    |  5 +---
 src/uproot/models/TString.py |  5 +---
 src/uproot/streamers.py      |  2 +-
 8 files changed, 35 insertions(+), 83 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index ad2db4859..4b4966eb2 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -169,9 +169,7 @@ def add_node_whole(self, new_node, ref_latest):
             self.awkward_model["contents"].append(new_node)
         self.awkward_model = ref_latest
 
-    def add_node(
-        self, name, precode, postcode, initcode, headercode, dtype, num_child, content
-    ):
+    def add_node(self, name, code_attrs, dtype, num_child, content):
         if isinstance(self.awkward_model, dict):
             if (
                 not bool(self.awkward_model["content"])
@@ -180,10 +178,10 @@ def add_node(
                 temp_obj = {
                     "name": name,
                     "type": dtype,
-                    "pre_code": precode,
-                    "post_code": postcode,
-                    "init_code": initcode,
-                    "header_code": headercode,
+                    "pre_code": code_attrs["precode"],
+                    "post_code": code_attrs["postcode"],
+                    "init_code": code_attrs["initcode"],
+                    "header_code": code_attrs["headercode"],
                     "num_child": num_child,
                     "content": content,
                 }
@@ -196,10 +194,10 @@ def add_node(
                         temp_obj = {
                             "name": name,
                             "type": dtype,
-                            "pre_code": precode,
-                            "post_code": postcode,
-                            "init_code": initcode,
-                            "header_code": headercode,
+                            "pre_code": code_attrs["precode"],
+                            "post_code": code_attrs["postcode"],
+                            "init_code": code_attrs["initcode"],
+                            "header_code": code_attrs["headercode"],
                             "num_child": num_child,
                             "content": content,
                         }
@@ -222,10 +220,10 @@ def add_node(
                 {
                     "name": name,
                     "type": dtype,
-                    "pre_code": precode,
-                    "post_code": postcode,
-                    "init_code": initcode,
-                    "header_code": headercode,
+                    "pre_code": code_attrs["precode"],
+                    "post_code": code_attrs["postcode"],
+                    "init_code": code_attrs["initcode"],
+                    "header_code": code_attrs["headercode"],
                     "num_child": num_child,
                     "content": content,
                 }
@@ -297,27 +295,23 @@ def get_gen_obj(self):
     def add_to_pre(self, code):
         self._pre_code.append(code)
 
-    def get_pre(self):
-        return self._pre_code
-
     def add_to_post(self, code):
         self._post_code.append(code)
 
-    def get_post(self):
-        return self._post_code
+    def get_attrs(self):
+        return {
+            "precode": self._pre_code,
+            "postcode": self._post_code,
+            "initcode": self._init,
+            "headercode": self._header,
+        }
 
     def add_to_header(self, code):
         self._header += code
 
-    def get_header(self):
-        return self._header
-
     def add_to_init(self, code):
         self._init += code
 
-    def get_init(self):
-        return self._init
-
 
 def convert_dtype(format):
     """Takes datatype codes from classses and returns the full datatype name.
diff --git a/src/uproot/containers.py b/src/uproot/containers.py
index d3245f640..dfd807d8a 100644
--- a/src/uproot/containers.py
+++ b/src/uproot/containers.py
@@ -76,10 +76,7 @@ def _read_nested(
                 )
             temp = forth_obj.add_node(
                 f"node{key}",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 1,
                 None,
@@ -546,10 +543,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
             helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
             temp_form = forth_obj.add_node(
                 f"node{offsets_num}",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 0,
                 None,
@@ -787,10 +781,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                             forth_obj.add_form(json.loads(temp_aform))
                     temp = forth_obj.add_node(
                         f"node{offsets_num}",
-                        helper_obj.get_pre(),
-                        helper_obj.get_post(),
-                        helper_obj.get_init(),
-                        helper_obj.get_header(),
+                        helper_obj.get_attrs(),
                         "i64",
                         1,
                         {},
@@ -868,10 +859,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                             forth_obj.add_form(json.loads(temp_aform))
                     temp = forth_obj.add_node(
                         f"node{offsets_num}",
-                        helper_obj.get_pre(),
-                        helper_obj.get_post(),
-                        helper_obj.get_init(),
-                        helper_obj.get_header(),
+                        helper_obj.get_attrs(),
                         "i64",
                         1,
                         {},
@@ -1197,10 +1185,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     helper_obj.add_to_post("loop\n")
                 temp = forth_obj.add_node(
                     f"node{key}",
-                    helper_obj.get_pre(),
-                    helper_obj.get_post(),
-                    helper_obj.get_init(),
-                    helper_obj.get_header(),
+                    helper_obj.get_attrs(),
                     "i64",
                     1,
                     {},
@@ -1363,10 +1348,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                 helper_obj.add_to_post("loop\n")
             temp = forth_obj.add_node(
                 f"node{key}",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 1,
                 {},
@@ -1627,10 +1609,7 @@ def read(self, chunk, cursor, context, file, selffile, parent, header=True):
                     forth_obj.add_form(aform)
                 temp = forth_obj.add_node(
                     "nodeMap",
-                    helper_obj.get_pre(),
-                    helper_obj.get_post(),
-                    helper_obj.get_init(),
-                    helper_obj.get_header(),
+                    helper_obj.get_attrs(),
                     "i64",
                     1,
                     [keys_model["content"], values_model["content"]],
diff --git a/src/uproot/model.py b/src/uproot/model.py
index 8e060eed4..14453401c 100644
--- a/src/uproot/model.py
+++ b/src/uproot/model.py
@@ -786,10 +786,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                     if helper_obj.is_forth():
                         forth_obj.add_node(
                             "pass",
-                            helper_obj.get_pre(),
-                            helper_obj.get_post(),
-                            helper_obj.get_init(),
-                            helper_obj.get_header(),
+                            helper_obj.get_attrs(),
                             "i64",
                             1,
                             {},
@@ -828,10 +825,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             if helper_obj.is_forth():
                 forth_obj.add_node(
                     "model828",
-                    helper_obj.get_pre(),
-                    helper_obj.get_post(),
-                    helper_obj.get_init(),
-                    helper_obj.get_header(),
+                    helper_obj.get_attrs(),
                     "i64",
                     1,
                     {},
@@ -1314,10 +1308,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
             helper_obj.add_to_pre(f"{bytes_skipped} stream skip \n")
             forth_obj.add_node(
                 "Model1319",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 1,
                 {},
diff --git a/src/uproot/models/TDatime.py b/src/uproot/models/TDatime.py
index 20eb9a9c2..bca77fa5f 100644
--- a/src/uproot/models/TDatime.py
+++ b/src/uproot/models/TDatime.py
@@ -49,10 +49,7 @@ def read_members(self, chunk, cursor, context, file):
                 forth_obj.add_form(temp_aform)
             temp_form = forth_obj.add_node(
                 f"node{key}",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 0,
                 None,
diff --git a/src/uproot/models/TObject.py b/src/uproot/models/TObject.py
index 5e5617b41..3e4dacd27 100644
--- a/src/uproot/models/TObject.py
+++ b/src/uproot/models/TObject.py
@@ -57,10 +57,7 @@ def read_members(self, chunk, cursor, context, file):
                 forth_obj.add_form(json.loads(temp_aform))
             forth_obj.add_node(
                 "TObjext",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 0,
                 {},
diff --git a/src/uproot/models/TRef.py b/src/uproot/models/TRef.py
index 9f5c5807c..7a5afdb0a 100644
--- a/src/uproot/models/TRef.py
+++ b/src/uproot/models/TRef.py
@@ -167,10 +167,7 @@ def read_members(self, chunk, cursor, context, file):
                 )
             forth_obj.add_node(
                 f"node{form_keys[0]}",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 1,
                 None,
diff --git a/src/uproot/models/TString.py b/src/uproot/models/TString.py
index e78791ed3..f0dcaa89f 100644
--- a/src/uproot/models/TString.py
+++ b/src/uproot/models/TString.py
@@ -70,10 +70,7 @@ def read_members(self, chunk, cursor, context, file):
             helper_obj.add_to_init(f"0 node{offsets_num}-offsets <- stack\n")
             temp_form = forth_obj.add_node(
                 f"node{offsets_num}",
-                helper_obj.get_pre(),
-                helper_obj.get_post(),
-                helper_obj.get_init(),
-                helper_obj.get_header(),
+                helper_obj.get_attrs(),
                 "i64",
                 0,
                 None,
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index a2093815d..bb1b871af 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -279,7 +279,7 @@ def class_code(self):
                 class_flags,
             )
         read_members.append(
-            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}}, len(content))\n            temp = forth_obj.add_node('dynamic',helper_obj.get_pre(),helper_obj.get_post(),helper_obj.get_init(),helper_obj.get_header(),\"i64\",0,None)\n"
+            "        if helper_obj.is_forth():\n            if forth_obj.should_add_form():\n                    forth_obj.add_form({'class': 'RecordArray', 'contents': content, 'parameters': {'record': 'TVector2'}}, len(content))\n            temp = forth_obj.add_node('dynamic',helper_obj.get_attrs(),\"i64\",0,None)\n"
         )
         if len(read_members) == 1:
             # untested as of PR #629

From 40b646f6756012c6ceb23e34d360a9fac4b7b3ab Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 13 Sep 2022 13:40:21 +0530
Subject: [PATCH 36/41] remove redundant functions

---
 src/uproot/_awkward_forth.py | 57 ------------------------------------
 1 file changed, 57 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 8ef618cfa..405f9dd98 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -127,68 +127,11 @@ def add_form(self, aform, conlen=0, traverse=1):
                 else:
                     return False
 
-    def get_temp_form_top(self):
-        return self.top_dummy
-
     def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.top_dummy = temp_top
         self.dummy_aform = temp_form
         self.dummy_form = temp_flag
 
-    def add_form(self, aform, conlen=0, traverse=1):
-        if self.dummy_form:
-            if self.dummy_aform is None:
-                self.dummy_aform = aform
-                self.top_dummy = aform
-            else:
-                if "content" in self.dummy_aform.keys():
-                    if self.dummy_aform["content"] == "NULL":
-                        self.dummy_aform["content"] = aform
-                        self.dummy_aform = self.dummy_aform["content"]
-                    else:
-                        raise ValueError
-                elif "contents" in self.dummy_aform.keys():
-                    if (
-                        len(self.dummy_aform["content"])
-                        < self.dummy_aform["parameters"]["lencon"]
-                    ):
-                        self.dummy_aform["contents"].append(aform)
-                    else:
-                        raise ValueError
-        else:
-            if self.aform is None:
-                self.aform = aform
-                self.top_form = self.aform
-                if traverse == 2:
-                    self.aform = self.aform["content"]
-            else:
-                if "content" in self.aform.keys():
-                    if self.aform["content"] == "NULL":
-                        self.aform["content"] = aform
-                        self.prev_form = self.aform
-                        if traverse == 2:
-                            self.aform = self.aform["content"]["content"]
-                            self.prev_form = self.prev_form["content"]
-                        else:
-                            self.aform = self.aform["content"]
-                    else:
-                        raise ValueError
-                elif "contents" in self.aform.keys():
-                    if self.aform["class"] == "RecordArray":
-                        if self.prev_form is not None:
-                            self.prev_form["content"] = aform
-                            self.aform = aform
-                        else:
-                            self.top_form = aform
-                            self.aform = aform
-                        # for elem in aform['contents'].keys():
-                        #     if self.depth(self.aform['contents'][elem])< self.depth(aform['contents'][elem]):
-                        #         aform['contents'][elem] = self.replace_keys(self.aform['contents'][elem],aform['contents'][elem])
-                        #         self.aform['contents'][elem] = aform['contents'][elem]
-                    elif len(self.aform["contents"]) == conlen:
-                        pass
-                    else:
-                        raise ValueError
 
     def depth(self, form):
         count = 0

From 45f1f58af9736953502b3cc991810d2cadba80e8 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Tue, 13 Sep 2022 13:40:55 +0530
Subject: [PATCH 37/41] linting

---
 src/uproot/_awkward_forth.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 405f9dd98..1a39f4bda 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -132,7 +132,6 @@ def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.dummy_aform = temp_form
         self.dummy_form = temp_flag
 
-
     def depth(self, form):
         count = 0
         temp = form

From 10e2c2e306037588c99687c1cb53c82d4786d529 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Thu, 15 Sep 2022 19:22:45 +0530
Subject: [PATCH 38/41] remove unused functions and improve error messages

---
 src/uproot/_awkward_forth.py | 22 ++--------------------
 src/uproot/streamers.py      |  2 +-
 2 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 1a39f4bda..9df1be268 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -113,7 +113,7 @@ def add_form(self, aform, conlen=0, traverse=1):
                     else:
                         self.aform = self.aform["content"]
                 else:
-                    raise ValueError
+                    raise ValueError("Form representation is corrupted.")
             elif "contents" in self.aform.keys():
                 if self.aform["class"] == "RecordArray":
                     if self.prev_form is not None:
@@ -132,24 +132,6 @@ def set_dummy_none(self, temp_top, temp_form, temp_flag):
         self.dummy_aform = temp_form
         self.dummy_form = temp_flag
 
-    def depth(self, form):
-        count = 0
-        temp = form
-        while "content" in temp.keys():
-            count += 1
-            if isinstance(temp["content"], str):
-                break
-            temp = temp["content"]
-        return count
-
-    def replace_keys(self, old, new):
-        temp = new
-        while old != "NULL":
-            new["form_key"] = old["form_key"]
-            new = new["content"]
-            old = old["content"]
-        return temp
-
     def get_keys(self, num_keys):
         if num_keys == 1:
             key = self.count_obj
@@ -283,7 +265,7 @@ def add_forth_code(self, ref, forth_exec_pre, forth_exec_post):
 
     def add_to_final(self, code):
         if not isinstance(code, list):
-            raise TypeError
+            raise TypeError("Something went wrong with Forth code generation.")
         self.final_code.extend(code)
         return
 
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index bb1b871af..140494973 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -848,7 +848,7 @@ def class_code(
                 f'                content[{self.name!r}] = {{"class": "ListOffsetArray", "offsets": "i64", "content": {{ "class": "NumpyArray", "primitive": f"{{uproot._awkward_forth.convert_dtype(uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}])}}", "inner_shape": [], "has_identifier": False, "parameters": {{}}, "form_key": f"node{{key}}"}}, "form_key": f"node{{key2}}"}}'
             )
             read_members.append(
-                f'                #raise NotImplementedError\n                helper_obj.add_to_pre(f" var_{self.count_name} @ dup node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> node{{key}}-data\\n")'
+                f'                helper_obj.add_to_pre(f" var_{self.count_name} @ dup node{{key2}}-offsets +<- stack \\n stream #!{{uproot._awkward_forth.symbol_dict[self._dtype{len(dtypes)}]}}-> node{{key}}-data\\n")'
             )
             read_members.append("                if forth_obj.should_add_form():")
             read_members.append(

From 23fb863229674979f6926aa09d0ad720ee14f4e7 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 18 Sep 2022 19:52:49 +0530
Subject: [PATCH 39/41] fix error types

---
 src/uproot/_awkward_forth.py | 6 +++---
 src/uproot/streamers.py      | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 9df1be268..ae57e8f50 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -113,7 +113,7 @@ def add_form(self, aform, conlen=0, traverse=1):
                     else:
                         self.aform = self.aform["content"]
                 else:
-                    raise ValueError("Form representation is corrupted.")
+                    raise AssertionError("Form representation is corrupted.")
             elif "contents" in self.aform.keys():
                 if self.aform["class"] == "RecordArray":
                     if self.prev_form is not None:
@@ -144,7 +144,7 @@ def get_keys(self, num_keys):
                 self.count_obj += 1
             return out
         else:
-            raise ValueError("Number of keys cannot be less than 1")
+            raise AssertionError("Number of keys cannot be less than 1")
 
     def add_form_key(self, key):
         self.form_keys.append(key)
@@ -265,7 +265,7 @@ def add_forth_code(self, ref, forth_exec_pre, forth_exec_post):
 
     def add_to_final(self, code):
         if not isinstance(code, list):
-            raise TypeError("Something went wrong with Forth code generation.")
+            raise AssertionError("Something went wrong with Forth code generation.")
         self.final_code.extend(code)
         return
 
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 140494973..d5be91d80 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -696,7 +696,6 @@ def class_code(
         read_member_n.append(f"        if member_index == {i}:")
 
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
-        # raise NotImplementedError
         read_members.append(
             "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )

From 9bb7307e15a113961074fe37d039440a47fbf109 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 18 Sep 2022 20:13:33 +0530
Subject: [PATCH 40/41] rolling back

---
 src/uproot/_awkward_forth.py | 6 +++---
 src/uproot/streamers.py      | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index ae57e8f50..9df1be268 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -113,7 +113,7 @@ def add_form(self, aform, conlen=0, traverse=1):
                     else:
                         self.aform = self.aform["content"]
                 else:
-                    raise AssertionError("Form representation is corrupted.")
+                    raise ValueError("Form representation is corrupted.")
             elif "contents" in self.aform.keys():
                 if self.aform["class"] == "RecordArray":
                     if self.prev_form is not None:
@@ -144,7 +144,7 @@ def get_keys(self, num_keys):
                 self.count_obj += 1
             return out
         else:
-            raise AssertionError("Number of keys cannot be less than 1")
+            raise ValueError("Number of keys cannot be less than 1")
 
     def add_form_key(self, key):
         self.form_keys.append(key)
@@ -265,7 +265,7 @@ def add_forth_code(self, ref, forth_exec_pre, forth_exec_post):
 
     def add_to_final(self, code):
         if not isinstance(code, list):
-            raise AssertionError("Something went wrong with Forth code generation.")
+            raise TypeError("Something went wrong with Forth code generation.")
         self.final_code.extend(code)
         return
 
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index d5be91d80..140494973 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -696,6 +696,7 @@ def class_code(
         read_member_n.append(f"        if member_index == {i}:")
 
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
+        # raise NotImplementedError
         read_members.append(
             "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )

From 20ebe9b81ae61b39157e5d725da0d67940a3e212 Mon Sep 17 00:00:00 2001
From: Aryan Roy <aryanroy5678@gmail.com>
Date: Sun, 18 Sep 2022 21:59:19 +0530
Subject: [PATCH 41/41] fix error types

---
 src/uproot/_awkward_forth.py | 6 +++---
 src/uproot/streamers.py      | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/uproot/_awkward_forth.py b/src/uproot/_awkward_forth.py
index 9df1be268..ae57e8f50 100644
--- a/src/uproot/_awkward_forth.py
+++ b/src/uproot/_awkward_forth.py
@@ -113,7 +113,7 @@ def add_form(self, aform, conlen=0, traverse=1):
                     else:
                         self.aform = self.aform["content"]
                 else:
-                    raise ValueError("Form representation is corrupted.")
+                    raise AssertionError("Form representation is corrupted.")
             elif "contents" in self.aform.keys():
                 if self.aform["class"] == "RecordArray":
                     if self.prev_form is not None:
@@ -144,7 +144,7 @@ def get_keys(self, num_keys):
                 self.count_obj += 1
             return out
         else:
-            raise ValueError("Number of keys cannot be less than 1")
+            raise AssertionError("Number of keys cannot be less than 1")
 
     def add_form_key(self, key):
         self.form_keys.append(key)
@@ -265,7 +265,7 @@ def add_forth_code(self, ref, forth_exec_pre, forth_exec_post):
 
     def add_to_final(self, code):
         if not isinstance(code, list):
-            raise TypeError("Something went wrong with Forth code generation.")
+            raise AssertionError("Something went wrong with Forth code generation.")
         self.final_code.extend(code)
         return
 
diff --git a/src/uproot/streamers.py b/src/uproot/streamers.py
index 140494973..d5be91d80 100644
--- a/src/uproot/streamers.py
+++ b/src/uproot/streamers.py
@@ -696,7 +696,6 @@ def class_code(
         read_member_n.append(f"        if member_index == {i}:")
 
         # @aryan26roy: test_0637's 01,02,08,09,11,12,13,15,16,29,38,45,46,49,50
-        # raise NotImplementedError
         read_members.append(
             "        if helper_obj.is_forth():\n                temp_node, temp_node_top, temp_form, temp_form_top, temp_prev_form = forth_obj.replace_form_and_model(None, {'name': 'TOP', 'content': {}})\n"
         )