vmware-nsx/quantum/db/model_base.py
Aaron Rosen f21343cdb2 OVS plugin support for v2 Quantum API
blueprint: ovs-api-v2-support

This commit allows the ovs_quantum_plugin to work with the v2 api.

change-Id: I9e332a799f6bee8a90755f961fbb9711a1ecdaca
2012-07-02 12:30:38 -07:00

66 lines
1.9 KiB
Python

# Copyright (c) 2012 OpenStack, LLC.
#
# 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.
import sqlalchemy as sa
from sqlalchemy.ext import declarative
from sqlalchemy import orm
class QuantumBase(object):
"""Base class for Quantum Models."""
def __setitem__(self, key, value):
setattr(self, key, value)
def __getitem__(self, key):
return getattr(self, key)
def get(self, key, default=None):
return getattr(self, key, default)
def __iter__(self):
self._i = iter(orm.object_mapper(self).columns)
return self
def next(self):
n = self._i.next().name
return n, getattr(self, n)
def update(self, values):
"""Make the model object behave like a dict"""
for k, v in values.iteritems():
setattr(self, k, v)
def iteritems(self):
"""Make the model object behave like a dict.
Includes attributes from joins."""
local = dict(self)
joined = dict([(k, v) for k, v in self.__dict__.iteritems()
if not k[0] == '_'])
local.update(joined)
return local.iteritems()
class QuantumBaseV2(QuantumBase):
@declarative.declared_attr
def __tablename__(cls):
# NOTE(jkoelker) use the pluralized name of the class as the table
return cls.__name__.lower() + 's'
BASE = declarative.declarative_base(cls=QuantumBase)
BASEV2 = declarative.declarative_base(cls=QuantumBaseV2)