+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 Free Software Foundation, Inc
+#
+# 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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# 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 mediagoblin.db import migrations
+from mediagoblin.gmg_commands import util as commands_util
+from mediagoblin import globals as mgoblin_globals
+
+
+def migrate_parser_setup(subparser):
+ subparser.add_argument(
+ '-cf', '--conf_file', default='mediagoblin.ini',
+ help="Config file used to set up environment")
+ subparser.add_argument(
+ '-cs', '--app_section', default='app:mediagoblin',
+ help="Section of the config file where the app config is stored.")
+
+
+def migrate(args):
+ mgoblin_app = commands_util.setup_app(args)
+ print "Applying migrations..."
+
+ for model_name in migrations.MIGRATE_CLASSES:
+ model = getattr(mgoblin_app.db, model_name)
+
+ if not hasattr(model, 'migration_handler') or not model.collection:
+ continue
+
+ migration = model.migration_handler(model)
+ migration.migrate_all(collection=model.collection)
+
+ print "... done."