38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Greenthread local storage of variables using weak references"""
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import weakref
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from eventlet import corolocal
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class WeakLocal(corolocal.local):
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def __getattribute__(self, attr):
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rval = corolocal.local.__getattribute__(self, attr)
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if rval:
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rval = rval()
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return rval
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def __setattr__(self, attr, value):
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value = weakref.ref(value)
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return corolocal.local.__setattr__(self, attr, value)
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store = WeakLocal()
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