margin-user-lib.py

class IsAuthenticated(object):
    def __init__(self, origin):
        self.origin = origin
        
    def __nonzero__(self):
        raise Exception("lol noob")

    def __call__(self, *args, **kwargs):
        return self.origin._noob_is_authenticated()
    

class MartinsUser(User):
    def __init__(self, *args, **kwargs):
        super(MartinsUser, self).__init__(*args, **kwargs)
        self._noob_is_authenticated = self.is_authenticated
        self.is_authenticated = IsAuthenticated(self)