neutron-lbaas/neutron/db/model_base.py
Mark McClain ee3fe4e836 Rename Quantum to Neutron
This change renames everything to Neutron while providing backwards
compatible adjustments for Grizzly configuration files.

implements blueprint: remove-use-of-quantum

Change-Id: Ie7d07ba7c89857e13d4ddc8f0e9b68de020a3d19
2013-07-06 15:02:43 -04:00

76 lines
2.3 KiB
Python

# Copyright (c) 2012 OpenStack Foundation.
#
# 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.
from sqlalchemy.ext import declarative
from sqlalchemy import orm
class NeutronBase(object):
"""Base class for Neutron Models."""
__table_args__ = {'mysql_engine': 'InnoDB'}
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()
def __repr__(self):
"""sqlalchemy based automatic __repr__ method."""
items = ['%s=%r' % (col.name, getattr(self, col.name))
for col in self.__table__.columns]
return "<%s.%s[object at %x] {%s}>" % (self.__class__.__module__,
self.__class__.__name__,
id(self), ', '.join(items))
class NeutronBaseV2(NeutronBase):
@declarative.declared_attr
def __tablename__(cls):
# NOTE(jkoelker) use the pluralized name of the class as the table
return cls.__name__.lower() + 's'
BASEV2 = declarative.declarative_base(cls=NeutronBaseV2)