Convert media_data for video

This creates fresh VideoData rows for all the videos in the
mongodb.

mediagoblin/db/sql/convert.py

@@ -106,6 +106,19 @@ def convert_media_entries(mk_db):
     session.close()
 
 
+def convert_video(mk_db):
+    session = Session()
+
+    for media in mk_db.MediaEntry.find(
+            {'media_type': 'mediagoblin.media_types.video'}).sort('created'):
+        media_data_row = VideoData(*media.media_data)
+        media_data_row.media_entry = obj_id_table[media._id]
+        session.add(media_data_row)
+
+    session.commit()
+    session.close()
+
+
 def convert_media_tags(mk_db):
     session = Session()
     session.autoflush = False
@@ -167,6 +180,8 @@ def run_conversion(config_name):
     Session.remove()
     convert_media_entries(mk_db)
     Session.remove()
+    convert_video(mk_db)
+    Session.remove()
     convert_media_tags(mk_db)
     Session.remove()
     convert_media_comments(mk_db)