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13 lines
291 B
Python
13 lines
291 B
Python
def identity(obj):
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return obj
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class cached_property(object):
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def __init__(self, func):
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self.func = func
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def __get__(self, obj, cls):
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if obj is None:
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return self
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value = obj.__dict__[self.func.__name__] = self.func(obj)
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return value
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