Recipe 576720 revision 6

def lazyproperty(func):
    """A decorator for lazy evaluation of properties
    """
    cache = {}
    def _get(self):
        try:
            return cache[self]
        except KeyError:
            cache[self] = value = func(self)
            return value
        
    return property(_get)

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• revision 6 (14 years ago)
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