trove/reddwarf/db/sqlalchemy/migrate_repo/schema.py
mbasnight 0fe9b2323c Getting hooked up w/ the db.
* connection db and all that jazz
* migrations are working
* local DB models are working (only save)
2012-02-22 18:03:39 -06:00

64 lines
1.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Various conveniences used for migration scripts."""
import logging
import sqlalchemy.types
logger = logging.getLogger('reddwarf.db.sqlalchemy.migrate_repo.schema')
String = lambda length: sqlalchemy.types.String(
length=length, convert_unicode=False, assert_unicode=None,
unicode_error=None, _warn_on_bytestring=False)
Text = lambda: sqlalchemy.types.Text(
length=None, convert_unicode=False, assert_unicode=None,
unicode_error=None, _warn_on_bytestring=False)
Boolean = lambda: sqlalchemy.types.Boolean(create_constraint=True, name=None)
DateTime = lambda: sqlalchemy.types.DateTime(timezone=False)
Integer = lambda: sqlalchemy.types.Integer()
BigInteger = lambda: sqlalchemy.types.BigInteger()
def create_tables(tables):
for table in tables:
logger.info("creating table %(table)s" % locals())
table.create()
def drop_tables(tables):
for table in tables:
logger.info("dropping table %(table)s" % locals())
table.drop()
def Table(name, metadata, *args, **kwargs):
return sqlalchemy.schema.Table(name, metadata, *args,
mysql_engine='INNODB', **kwargs)