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# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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.
"""Base class for classes that need modular database access."""
from oslo_utils import importutils
import nova.conf
CONF = nova.conf.CONF
class Base(object):
"""DB driver is injected in the init method."""
def __init__(self, db_driver=None):
super(Base, self).__init__()
if not db_driver:
db_driver = CONF.db_driver
self.db = importutils.import_module(db_driver)
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