[Django Upgrade] Upgrade markdown and mdx_del_ins (#9984)

Co-authored-by: John Tordoff <>

addons/wiki/models.py

@@ -67,16 +67,12 @@ def build_html_output(content, node):
         content,
         extensions=[
             wikilinks.WikiLinkExtension(
-                configs=[
-                    ('base_url', ''),
-                    ('end_url', ''),
-                    ('build_url', functools.partial(build_wiki_url, node))
-                ]
+                base_url='',
+                end_url='',
+                build_url=functools.partial(build_wiki_url, node)
             ),
             fenced_code.FencedCodeExtension(),
-            codehilite.CodeHiliteExtension(
-                [('css_class', 'highlight')]
-            )
+            codehilite.CodeHiliteExtension(css_class='highlight')
         ]
     )
 

requirements.txt

@@ -11,7 +11,7 @@ Werkzeug==1.0.0
 Flask==1.0
 gevent==1.2.2
 Mako==1.0.7
-Markdown==2.6.9
+Markdown==3.3.7
 WTForms==1.0.4
 # Fork of celery 4.1.1 with https://github.com/celery/celery/pull/4278 backported,
 # which fixes a bug that was causing stuck registrations
@@ -40,7 +40,7 @@ pymongo==3.7.1
 PyYAML==6.0
 tqdm==4.28.1
 # Python markdown extensions for comment emails
-git+https://github.com/CenterForOpenScience/mdx_del_ins.git
+git+https://github.com/Johnetordoff/mdx_del_ins.git@django-3
 
 certifi==2020.12.5
 sendgrid==1.5.13

website/project/views/comment.py

@@ -106,7 +106,7 @@ def update_comment_node(root_target_id, source_node, destination_node):
 
 
 def render_email_markdown(content):
-    return markdown.markdown(content, ['del_ins', 'markdown.extensions.tables', 'markdown.extensions.fenced_code'])
+    return markdown.markdown(content, extensions=['mdx_del_ins', 'markdown.extensions.tables', 'markdown.extensions.fenced_code'])
 
 
 @comment_added.connect