comment.migration re-render all comments

spirit/comment/migrations/0003_auto_20151115_0400.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+# todo: remove in Spirit 0.5
+
+def render_comments(apps, schema_editor):
+    # This is due to a changes in the emoji renderer (images -> css) and no-follow links
+    from ...core.utils.markdown import Markdown
+
+    Comment = apps.get_model("spirit_comment", "Comment")
+
+    for comment in Comment.objects.all():
+        comment.comment_html = Markdown().render(comment.comment)
+        comment.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('spirit_comment', '0002_auto_20150828_2003'),
+    ]
+
+    operations = [
+        migrations.RunPython(render_comments),
+    ]