Add support for markdown images

ponyconf/utils.py

@@ -16,6 +16,7 @@ class PonyConfModel(models.Model):
 
 def markdown_to_html(md):
     html = markdown(md)
-    allowed_tags = bleach.ALLOWED_TAGS + ['p', 'pre', 'span' ] + ['h%d' % i for i in range(1, 7) ]
-    html = bleach.clean(html, tags=allowed_tags)
+    allowed_tags = bleach.ALLOWED_TAGS + ['p', 'pre', 'span', 'img'] + ['h%d' % i for i in range(1, 7) ]
+    allowed_attributes = bleach.ALLOWED_ATTRIBUTES['img'] = ['src', 'alt']
+    html = bleach.clean(html, tags=allowed_tags, attributes=allowed_attributes)
     return mark_safe(html)