added support for original audio download; rename

Renamed `ogg' to `webm_audio' in core__file_keynames

mediagoblin/db/sql/migrations.py

@@ -1,5 +1,5 @@
 # GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 MediaGoblin contributors.  See AUTHORS.
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -14,4 +14,22 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from sqlalchemy import MetaData, Table
+
+from mediagoblin.db.sql.util import RegisterMigration
+
+
 MIGRATIONS = {}
+
+
+@RegisterMigration(1, MIGRATIONS)
+def ogg_to_webm_audio(db_conn):
+    metadata = MetaData(bind=db_conn.bind)
+
+    file_keynames = Table('core__file_keynames', metadata, autoload=True,
+                          autoload_with=db_conn.bind)
+
+    db_conn.execute(
+        file_keynames.update().where(file_keynames.c.name=='ogg').
+            values(name='webm_audio')
+    )