gistfile1.txt

class Container(collections.OrderedDict):
    __slots__ = ["__keys_order__","__recursion_lock__"]

    def __getattr__(self, name):
        try:
            return self[name]
        except KeyError:
            raise AttributeError(name)

    def __setattr__(self, name, value):
        self[name] = value

    def __delattr__(self, name):
        del self[name]

    def __call__(self, **kw):
        """
        Chains adding new entries to the same container. See ctor.
        """
        for k,v in kw.items():
            self.__setitem__(k, v)
        return self