allow picture through (#299)

Author: mistwire

readme_renderer/__main__.py

@@ -28,7 +28,7 @@ def main(cli_args: Optional[List[str]] = None) -> None:
 
         # Infer the format of the description from package metadata.
         if not content_format:
-            content_type = message.get("Description-Content-Type", "text/x-rst")  # type: ignore[attr-defined] # noqa: E501 https://github.com/python/typeshed/issues/10021
+            content_type = message.get("Description-Content-Type", "text/x-rst")
             if content_type == "text/x-rst":
                 content_format = "rst"
             elif content_type == "text/markdown":

readme_renderer/clean.py

@@ -27,7 +27,7 @@
     "dl", "dt", "h1", "h2", "h3", "h4", "h5", "h6", "hr", "img", "p", "pre",
     "span", "sub", "summary", "sup", "table", "tbody", "td", "th", "thead",
     "tr", "tt", "kbd", "var", "input", "section", "aside", "nav", "s", "figure",
-    "figcaption",
+    "figcaption", "picture",
 }
 
 ALLOWED_ATTRIBUTES = {

tests/fixtures/test_GFM_picture.html

@@ -0,0 +1,3 @@
+<picture>
+  <img src="/media/cc0-images/painted-hand-298-332.jpg" alt="">
+</picture>

tests/fixtures/test_GFM_picture.md

@@ -0,0 +1,3 @@
+<picture>
+  <img src="/media/cc0-images/painted-hand-298-332.jpg" alt="" />
+</picture>