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# GNU MediaGoblin -- federated, autonomous media hosting
# 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
# 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/>.
import pymongo
import mongokit
from paste.deploy.converters import asint
from mediagoblin.db.mongo import models
from mediagoblin.db.mongo.util import MigrationManager
def connect_database_from_config(app_config, use_pymongo=False):
"""
Connect to the main database, take config from app_config
Optionally use pymongo instead of mongokit for the connection.
"""
port = app_config.get('db_port')
if port:
port = asint(port)
if use_pymongo:
connection = pymongo.Connection(
app_config.get('db_host'), port)
else:
connection = mongokit.Connection(
app_config.get('db_host'), port)
return connection
def setup_connection_and_db_from_config(app_config, use_pymongo=False):
"""
Setup connection and database from config.
Optionally use pymongo instead of mongokit.
"""
connection = connect_database_from_config(app_config, use_pymongo)
database_path = app_config['db_name']
db = connection[database_path]
if not use_pymongo:
models.register_models(connection)
return (connection, db)
def check_db_migrations_current(db):
# This MUST be imported so as to set up the appropriate migrations!
from mediagoblin.db.mongo import migrations
# Init the migration number if necessary
migration_manager = MigrationManager(db)
migration_manager.install_migration_version_if_missing()
# Tiny hack to warn user if our migration is out of date
if not migration_manager.database_at_latest_migration():
db_migration_num = migration_manager.database_current_migration()
latest_migration_num = migration_manager.latest_migration()
if db_migration_num < latest_migration_num:
print (
"*WARNING:* Your migrations are out of date, "
"maybe run ./bin/gmg migrate?")
elif db_migration_num > latest_migration_num:
print (
"*WARNING:* Your migrations are out of date... "
"in fact they appear to be from the future?!")
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