Merge pull request #227 from melexis/filter_attr_empty

Support filtering on attributes with empty value

doc/integration_test_report.rst

@@ -249,6 +249,13 @@ List all items with ASIL and Draft/Approved attribute
     :status: (Draft|Approved)
     :asil: (QM|[ABCD])
 
+List all RQT-items with the non_functional attribute
+----------------------------------------------------
+
+.. item-list:: All non-functional requirements
+    :filter: RQT-
+    :non_functional: ^.{0}$
+
 Item matrix
 ===========
 

mlx/directives/item_matrix_directive.py

@@ -34,7 +34,7 @@ def perform_replacement(self, app, collection):
         show_intermediate = bool(self['intermediatetitle']) and bool(self['intermediate'])
         number_of_columns = max(2, len(self['target']) + 1) + int(show_intermediate)
         Rows = namedtuple('Rows', "sorted covered uncovered")
-        source_ids = collection.get_items(self['source'], self['filter-attributes'])
+        source_ids = collection.get_items(self['source'], attributes=self['filter-attributes'])
         targets_with_ids = []
         for target_regex in self['target']:
             targets_with_ids.append(collection.get_items(target_regex))

mlx/traceable_item.py

@@ -316,6 +316,8 @@ def attributes_match(self, attributes):
             bool: True if the given attributes match the item attributes.
         '''
         for attr in attributes:
+            if attr not in self.attributes:
+                return False
             if not re.match(attributes[attr], self.get_attribute(attr)):
                 return False
         return True