Caching and refactors

judge/jinja2/comment.py

@@ -0,0 +1,12 @@
+from . import registry
+
+from django.contrib.contenttypes.models import ContentType
+
+from judge.models.comment import get_visible_comment_count
+from judge.caching import cache_wrapper
+
+
+@registry.function
+def comment_count(obj):
+    content_type = ContentType.objects.get_for_model(obj)
+    return get_visible_comment_count(content_type, obj.pk)