buildmimetree.py: handle image URLs starting with cid:

diff --git a/.config/neomutt/buildmimetree.py b/.config/neomutt/buildmimetree.py
index 97ada97a0fe1170686b634d9a25a1e28a89c8d40..e2a23a741bbee012d1fd42c6eecf3fbc5fcef7e6 100755 (executable)
--- a/.config/neomutt/buildmimetree.py
+++ b/.config/neomutt/buildmimetree.py
@@ -266,6 +266,9 @@ def collect_inline_images(
 ):
     relparts = []
     for path, info in images.items():
+        if path.startswith("cid:"):
+            continue
+
         data = request.urlopen(path)
 
         mimetype = data.headers["Content-Type"]
@@ -948,6 +951,23 @@ try:
             assert tree.children[1].path == written[0]
             assert written[1] == request.urlopen(test_png).read()
 
+        def test_converter_tree_inline_image_cid(
+            self, const1, fake_filewriter
+        ):
+            text = f"![inline base64 image](cid:{const1})"
+            path = pathlib.Path(const1)
+            tree = convert_markdown_to_html(
+                text,
+                path,
+                filewriter_fn=fake_filewriter,
+                related_to_html_only=False,
+            )
+            assert len(tree.children) == 2
+            assert tree.children[0].cid != const1
+            assert tree.children[0].type != "image"
+            assert tree.children[1].cid != const1
+            assert tree.children[1].type != "image"
+
         def test_inline_image_collection(
             self, test_png, const1, const2, fake_filewriter
         ):