tailbone/tailbone/db.py

43 lines
1.3 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2012 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail 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.
#
# Rattail 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 Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Database Stuff
"""
from sqlalchemy.orm import sessionmaker, scoped_session
Session = scoped_session(sessionmaker())
try:
# Requires zope.sqlalchemy >= 0.7.4
from zope.sqlalchemy import register
except ImportError:
from zope.sqlalchemy import ZopeTransactionExtension
Session.configure(extension=ZopeTransactionExtension())
else:
register(Session)