380b0e7db6
This change renames everything to Neutron while providing backwards compatible adjustments for Grizzly configuration files. implements blueprint: remove-use-of-quantum Change-Id: Ie7d07ba7c89857e13d4ddc8f0e9b68de020a3d19
49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2011 OpenStack Foundation.
|
|
# 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.
|
|
|
|
"""Greenthread local storage of variables using weak references"""
|
|
|
|
import weakref
|
|
|
|
from eventlet import corolocal
|
|
|
|
|
|
class WeakLocal(corolocal.local):
|
|
def __getattribute__(self, attr):
|
|
rval = corolocal.local.__getattribute__(self, attr)
|
|
if rval:
|
|
# NOTE(mikal): this bit is confusing. What is stored is a weak
|
|
# reference, not the value itself. We therefore need to lookup
|
|
# the weak reference and return the inner value here.
|
|
rval = rval()
|
|
return rval
|
|
|
|
def __setattr__(self, attr, value):
|
|
value = weakref.ref(value)
|
|
return corolocal.local.__setattr__(self, attr, value)
|
|
|
|
|
|
# NOTE(mikal): the name "store" should be deprecated in the future
|
|
store = WeakLocal()
|
|
|
|
# A "weak" store uses weak references and allows an object to fall out of scope
|
|
# when it falls out of scope in the code that uses the thread local storage. A
|
|
# "strong" store will hold a reference to the object so that it never falls out
|
|
# of scope.
|
|
weak_store = WeakLocal()
|
|
strong_store = corolocal.local
|