Design-Patterns-in-Python/wrapper.py at master · coder-zh/Design-Patterns-in-Python · GitHub

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class RestrictingWrapper(object):
    def __init__(self, w, block):
        self._w = w
        self._block = block
    def __getattr__(self, n):
        if n in self._block:
            raise AttributeError, n
        return getattr(self._w, n)