Ignore v:imagedata elements without relationship ID with warning

1 files changed, 7 insertions, 2 deletions

diff --git a/mammoth/docx/body_xml.py b/mammoth/docx/body_xml.py
index fbf813c..b5e2997 100644
--- a/mammoth/docx/body_xml.py
+++ b/mammoth/docx/body_xml.py
@@ -329,8 +329,13 @@ def _create_reader(numbering, content_types, relationships, styles, docx_file, f
         return image_path, open_image
     
     def read_imagedata(element):
-        title = element.attributes.get("o:title")
-        return _read_image(lambda: _find_embedded_image(element.attributes["r:id"]), title)
+        relationship_id = element.attributes.get("r:id")
+        if relationship_id is None:
+            warning = results.warning("A v:imagedata element without a relationship ID was ignored")
+            return _empty_result_with_message(warning)
+        else:
+            title = element.attributes.get("o:title")
+            return _read_image(lambda: _find_embedded_image(relationship_id), title)
     
     def note_reference_reader(note_type):
         def note_reference(element):