class Facade(object): def __getattr__(self, what): try: return super(Facade, self).__getattribute__(what) except AttributeError: super(Facade, self).__getattribute__("method_missing")(what) def method_missing(self, what): print "No %s here!"%what class foo(Facade): def __init__(self): self.x = 1 def new_method_missing(self, what): print "Definitely no %s here!"%what def test(self): print "1", self.x del self.x print "2", self.x self.method_missing = self.new_method_missing print "3", self.x del self.method_missing print "4", self.x x = foo() x.test()
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