Handle target URIs relative to the base

2 files changed, 9 insertions, 1 deletions

diff --git a/mammoth/docx/body_xml.py b/mammoth/docx/body_xml.py
index 1fcd567..433d5a2 100644
--- a/mammoth/docx/body_xml.py
+++ b/mammoth/docx/body_xml.py
@@ -3,6 +3,7 @@ import contextlib
 from .. import documents
 from .. import results
 from .. import lists
+from ..zips import uri_to_zip_entry_name
 from .xmlparser import node_types, XmlElement
 from .styles_xml import Styles
 
@@ -317,7 +318,7 @@ def _create_reader(numbering, content_types, relationships, styles, docx_file, f
             return _find_linked_image(link_relationship_id)
     
     def _find_embedded_image(relationship_id):
-        image_path = "word/" + relationships[relationship_id].target.lstrip("/")
+        image_path = uri_to_zip_entry_name("word", relationships[relationship_id].target)
         
         def open_image():
             image_file = docx_file.open(image_path)
diff --git a/mammoth/zips.py b/mammoth/zips.py
index 432be5d..8e09924 100644
--- a/mammoth/zips.py
+++ b/mammoth/zips.py
@@ -54,3 +54,10 @@ def update_zip(fileobj, files):
     fileobj.seek(0)
     destination_fileobj.seek(0)
     shutil.copyfileobj(destination_fileobj, fileobj)
+
+
+def uri_to_zip_entry_name(base, uri):
+    if uri.startswith("/"):
+        return uri[1:]
+    else:
+        return base + "/" + uri