26649465c6
This is the initial version of pyVmomi which represents vSphere API 5.1. Going forward, expect only the 'Objects' and 'Types' generated source files to need updating via official OSS drops.
43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
# VMware vSphere Python SDK
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# Copyright (c) 2008-2013 VMware, Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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This module implements the cache decorator
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"""
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__author__ = "VMware, Inc."
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def Cache(fn):
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""" Function cache decorator """
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def fnCache(*args, **kwargs):
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""" Cache function """
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key = (args and tuple(args) or None,
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kwargs and frozenset(kwargs.items()) or None)
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if key not in fn.__cached__:
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fn.__cached__[key] = cache = fn(*args, **kwargs)
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else:
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cache = fn.__cached__[key]
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return cache
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def ResetCache():
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""" Reset cache """
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fn.__cached__ = {}
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setattr(fn, "__cached__", {})
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setattr(fn, "__resetcache__", ResetCache)
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fnCache.__name__ = fn.__name__
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fnCache.__doc__ = fn.__doc__
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fnCache.__dict__.update(fn.__dict__)
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return fnCache
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