Merge pull request #119 from maxpmaxp/issue-62-unbalanced-bt-et

ISSUE-62: work around unbalanced BT/ET
maxpmaxp · Apr 30, 2024 · 48044e5 · 48044e5
2 parents 4f47d43 + cc2f992
commit 48044e5
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diff --git a/CHANGELOG.txt b/CHANGELOG.txt
@@ -1,5 +1,6 @@
 pdfreader 0.1.15dev
 ---------------------------
+- issue #62 - work around unbalanced BT/ET
 - reduced warnings logs noise
 - timezone issue in tests fixed
 - bitarray version bump to 2.9.2

diff --git a/pdfreader/viewer/simple.py b/pdfreader/viewer/simple.py
@@ -109,13 +109,15 @@ def on_inline_image(self, obj):
 
     def on_BT(self, op):
         if self.mode == "BT":
-            raise ValueError("BT operator without enclosing ET")
+            log.debug("BT operator without enclosing ET. Trying to recover.")
+            self.bracket_commands_stack.pop()
         self.bracket_commands_stack.append(op)
 
     def on_ET(self, op):
         if self.mode != "BT":
-            raise ValueError("ET operator without corresponding BT")
-        self.bracket_commands_stack.pop()
+            log.debug("ET operator without corresponding BT. Trying to recover.")
+        else:
+            self.bracket_commands_stack.pop()
 
     # Text handlers
     def on_Tf(self, op):