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## @file
# help with caching in BaseTools
#
# Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
## Import Modules
#
# for class function
class cached_class_function(object):
def __init__(self, function):
self._function = function
def __get__(self, obj, cls):
def CallMeHere(*args,**kwargs):
Value = self._function(obj, *args,**kwargs)
obj.__dict__[self._function.__name__] = lambda *args,**kwargs:Value
return Value
return CallMeHere
# for class property
class cached_property(object):
def __init__(self, function):
self._function = function
def __get__(self, obj, cls):
Value = obj.__dict__[self._function.__name__] = self._function(obj)
return Value
# for non-class function
class cached_basic_function(object):
def __init__(self, function):
self._function = function
# wrapper to call _do since <class>.__dict__ doesn't support changing __call__
def __call__(self,*args,**kwargs):
return self._do(*args,**kwargs)
def _do(self,*args,**kwargs):
Value = self._function(*args,**kwargs)
self.__dict__['_do'] = lambda self,*args,**kwargs:Value
return Value
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