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17 lines
432 B
Python
17 lines
432 B
Python
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class cached_property(object):
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"""Like @property, but caches the value."""
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def __init__(self, func):
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self.__name__ = func.__name__
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self.__module__ = func.__module__
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self.__doc__ = func.__doc__
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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 = self._func(obj)
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obj.__dict__[self.__name__] = value
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return value
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