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# 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.db import util as db_util
from mediagoblin.gmg_commands import util as commands_util
def migrate_parser_setup(subparser):
subparser.add_argument(
'-cf', '--conf_file', default='mediagoblin.ini',
help="Config file used to set up environment")
def migrate(args):
mgoblin_app = commands_util.setup_app(args)
# Clear old indexes
print "== Clearing old indexes... =="
removed_indexes = db_util.remove_deprecated_indexes(mgoblin_app.db)
for collection, index_name in removed_indexes:
print "Removed index '%s' in collection '%s'" % (
index_name, collection)
# Migrate
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)
# Add new indexes
print "== Adding new indexes... =="
new_indexes = db_util.add_new_indexes(mgoblin_app.db)
for collection, index_name in new_indexes:
print "Added index '%s' to collection '%s'" % (
index_name, collection)
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