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| 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
|
|
