ssh_config_utils/tests/test_class.py

class DictThing:
    def __init__(self, init_dict):
        self.d = init_dict

    def __setattr__(self, name, value):
        if name == "d":
            super().__setattr__("d", value)
        else:

            self.d[name] = value

    def __getattr__(self, name):
        if name == "d":
            return super().__getattribute__("d")
        return self.d[name]


if __name__ == "__main__":
    e = DictThing(dict(a="a", b="b", c="c"))