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42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
## @file
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# help with caching in BaseTools
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#
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# Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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## Import Modules
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#
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# for class function
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class cached_class_function(object):
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def __init__(self, function):
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self._function = function
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def __get__(self, obj, cls):
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def CallMeHere(*args,**kwargs):
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Value = self._function(obj, *args,**kwargs)
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obj.__dict__[self._function.__name__] = lambda *args,**kwargs:Value
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return Value
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return CallMeHere
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# for class property
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class cached_property(object):
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def __init__(self, function):
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self._function = function
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def __get__(self, obj, cls):
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Value = obj.__dict__[self._function.__name__] = self._function(obj)
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return Value
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# for non-class function
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class cached_basic_function(object):
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def __init__(self, function):
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self._function = function
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# wrapper to call _do since <class>.__dict__ doesn't support changing __call__
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def __call__(self,*args,**kwargs):
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return self._do(*args,**kwargs)
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def _do(self,*args,**kwargs):
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Value = self._function(*args,**kwargs)
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self.__dict__['_do'] = lambda self,*args,**kwargs:Value
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return Value
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