AttributePropertySet improvements

resqpy/property/attribute_property_set.py

@@ -183,7 +183,14 @@ def local_property_kind_uuid(self):
 class AttributePropertySet(rqp.PropertyCollection):
     """Class for set of RESQML properties for any supporting representation, using attribute syntax."""
 
-    def __init__(self, model = None, support = None, property_set_uuid = None, realization = None, key_mode = 'pk'):
+    def __init__(self,
+                 model = None,
+                 support = None,
+                 property_set_uuid = None,
+                 realization = None,
+                 key_mode = 'pk',
+                 indexable = None,
+                 multiple_handling = 'warn'):
         """Initialise an empty property set, optionally populate properties from a supporting representation.
 
         arguments:
@@ -198,6 +205,11 @@ def __init__(self, model = None, support = None, property_set_uuid = None, reali
               if None, then the collection is either covering a whole ensemble (individual properties can each be flagged with a
               realisation number), or is for properties that do not have multiple realizations
            key_mode (str, default 'pk'): either 'pk' (for property kind) or 'title', identifying the basis of property attribute keys
+           indexable (str, optional): if present and key_mode is 'pk', properties with indexable element other than this will
+              have their indexable element included in their key
+           multiple_handling (str, default 'warn'): either 'ignore', 'warn' ,or 'exception'; if 'warn' or 'ignore', and properties
+              exist that generate the same key, then only the first is visible in the attribute property set (and a warning is given
+              for each of the others in the case of 'warn'); if 'exception', a KeyError is raised if there are any duplicate keys
 
         note:
            at present, if the collection is being initialised from a property set, the support argument must also be specified;
@@ -214,9 +226,12 @@ def __init__(self, model = None, support = None, property_set_uuid = None, reali
             property_set_root = None
         else:
             property_set_root = model.root_for_uuid(property_set_uuid)
+        assert multiple_handling in ['ignore', 'warn', 'exception']
 
         super().__init__(support = support, property_set_root = property_set_root, realization = realization)
         self.key_mode = key_mode
+        self.indexable_mode = indexable
+        self.multiple_handling = multiple_handling
         self._make_attributes()
 
     def keys(self):
@@ -241,12 +256,21 @@ def _key(self, part):
                             title = self.citation_title_for_part(part),
                             facet = self.facet_for_part(part),
                             time_index = self.time_index_for_part(part),
-                            realization = self.realization_for_part(part))
+                            realization = self.realization_for_part(part),
+                            indexable_mode = self.indexable_mode,
+                            indexable = self.indexable_for_part(part))
 
     def _make_attributes(self):
         """Setup individual properties with attribute style read access to metadata."""
         for part in self.parts():
             key = self._key(part)
+            if getattr(self, key, None) is not None:
+                if self.multiple_handling == 'warn':
+                    log.warning(f'duplicate key in AttributePropertySet; only first instance included: {key}')
+                    continue
+                if self.multiple_handling == 'ignore':
+                    continue
+                raise KeyError(f'duplicate key in attribute property set: {key}')
             aps_property = ApsProperty(self, part)
             setattr(self, key, aps_property)
 
@@ -255,11 +279,20 @@ def __len__(self):
         return self.number_of_parts()
 
 
-def make_aps_key(key_mode, property_kind = None, title = None, facet = None, time_index = None, realization = None):
+def make_aps_key(key_mode,
+                 property_kind = None,
+                 title = None,
+                 facet = None,
+                 time_index = None,
+                 realization = None,
+                 indexable_mode = None,
+                 indexable = None):
     """Contructs the key (attribute name) for a property based on metadata items."""
     if key_mode == 'pk':
         assert property_kind is not None
         key = property_kind
+        if indexable_mode is not None and indexable is not None and indexable != indexable_mode:
+            key += f'_{indexable}'
         if facet is not None:
             key += f'_{facet}'
     else:

tests/unit_tests/property/test_attribute_property_set.py

@@ -140,6 +140,57 @@ def test_load_attribute_property_collection_pk(example_model_with_prop_ts_rels):
     assert np.all(v == aps.saturation_water_t2.array_ref)
 
 
+def test_load_attribute_property_collection_pk_duplicates(example_model_with_prop_ts_rels, capfd, caplog):
+    # Arrange
+    model = example_model_with_prop_ts_rels
+    grid = model.grid()
+    pc = grid.extract_property_collection()
+
+    # Act
+    aps = rqp.AttributePropertySet(support = grid)
+    facies_col = np.max(aps.facies.values, axis = 0)
+    pc.add_similar_to_imported_list(similar_uuid = aps.facies.uuid,
+                                    cached_array = facies_col,
+                                    indexable_element = 'columns')
+    pc.write_hdf5_for_imported_list()
+    pc.create_xml_for_imported_list_and_add_parts_to_model()
+
+    # check indexable used when needed in key
+    aps = rqp.AttributePropertySet(support = grid, indexable = 'cells')
+    assert aps is not None
+    assert len(aps) == 13
+    assert 'facies' in aps.keys()
+    assert 'facies_columns' in aps.keys()
+
+    # check duplicate ignored
+    aps = rqp.AttributePropertySet(support = grid, indexable = None, multiple_handling = 'ignore')
+    assert aps is not None
+    assert len(aps) == 13
+    key_list = list(aps.keys())
+    assert len(key_list) == 13  # all parts still exist in the PropertyCollection
+    assert len(
+        set(key_list)) == 12  # but two will have the same aps key (only the first is visible as AttributeProperty)
+    assert 'facies' in aps.keys()
+    assert 'facies_columns' not in aps.keys()
+
+    # check that multiple handling 'exception' raises key error
+    with pytest.raises(KeyError) as e_info:
+        aps = rqp.AttributePropertySet(support = grid, multiple_handling = 'exception')
+
+    # check that multiple handling 'warn' generates log warning
+    aps = rqp.AttributePropertySet(support = grid, multiple_handling = 'warn')
+    assert len(caplog.records) > 0
+    assert caplog.records[-1].getMessage().endswith(
+        "duplicate key in AttributePropertySet; only first instance included: facies")
+    assert aps is not None
+    assert len(aps) == 13
+    key_list = list(aps.keys())
+    assert len(key_list) == 13
+    assert len(set(key_list)) == 12
+    assert 'facies' in aps.keys()
+    assert 'facies_columns' not in aps.keys()
+
+
 def test_load_attribute_property_collection_title(example_model_with_prop_ts_rels):
     # Arrange
     model = example_model_with_prop_ts_rels