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v0.8.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision ee933eccc98a62d1b9a4087a7fdea9a97e46fa10 authored by Benjamin Peterson on 15 March 2012, 17:25:54 UTC, committed by Benjamin Peterson on 15 March 2012, 17:25:54 UTC 
bump to 2.7.3rc2
1 parent 66d2bd7
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Tip revision: ee933eccc98a62d1b9a4087a7fdea9a97e46fa10 authored by Benjamin Peterson on 15 March 2012, 17:25:54 UTC
bump to 2.7.3rc2
Tip revision: ee933ec
Delegator.py 
class Delegator:

    # The cache is only used to be able to change delegates!

    def __init__(self, delegate=None):
        self.delegate = delegate
        self.__cache = {}

    def __getattr__(self, name):
        attr = getattr(self.delegate, name) # May raise AttributeError
        setattr(self, name, attr)
        self.__cache[name] = attr
        return attr

    def resetcache(self):
        for key in self.__cache.keys():
            try:
                delattr(self, key)
            except AttributeError:
                pass
        self.__cache.clear()

    def cachereport(self):
        keys = self.__cache.keys()
        keys.sort()
        print keys

    def setdelegate(self, delegate):
        self.resetcache()
        self.delegate = delegate

    def getdelegate(self):
        return self.delegate
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