10 lines
297 B
Python
10 lines
297 B
Python
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def cached(func):
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""" caches func return value """
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def cached_func(self, *args, **kwargs):
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attr = '_cached_' + func.__name__
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if not hasattr(self, attr):
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setattr(self, attr, func(self, *args, **kwargs))
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return getattr(self, attr)
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return cached_func
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