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b23414f6 JC |
1 | ## @file\r |
2 | # help with caching in BaseTools\r | |
3 | #\r | |
4 | # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>\r | |
5 | #\r | |
2e351cbe | 6 | # SPDX-License-Identifier: BSD-2-Clause-Patent\r |
b23414f6 JC |
7 | #\r |
8 | \r | |
9 | ## Import Modules\r | |
10 | #\r | |
11 | \r | |
12 | # for class function\r | |
13 | class cached_class_function(object):\r | |
14 | def __init__(self, function):\r | |
15 | self._function = function\r | |
16 | def __get__(self, obj, cls):\r | |
17 | def CallMeHere(*args,**kwargs):\r | |
18 | Value = self._function(obj, *args,**kwargs)\r | |
19 | obj.__dict__[self._function.__name__] = lambda *args,**kwargs:Value\r | |
20 | return Value\r | |
21 | return CallMeHere\r | |
22 | \r | |
23 | # for class property\r | |
24 | class cached_property(object):\r | |
25 | def __init__(self, function):\r | |
26 | self._function = function\r | |
27 | def __get__(self, obj, cls):\r | |
28 | Value = obj.__dict__[self._function.__name__] = self._function(obj)\r | |
29 | return Value\r | |
30 | \r | |
31 | # for non-class function\r | |
32 | class cached_basic_function(object):\r | |
33 | def __init__(self, function):\r | |
34 | self._function = function\r | |
35 | # wrapper to call _do since <class>.__dict__ doesn't support changing __call__\r | |
36 | def __call__(self,*args,**kwargs):\r | |
37 | return self._do(*args,**kwargs)\r | |
38 | def _do(self,*args,**kwargs):\r | |
39 | Value = self._function(*args,**kwargs)\r | |
40 | self.__dict__['_do'] = lambda self,*args,**kwargs:Value\r | |
41 | return Value\r |