SinfulDict

class NamedDict(dict[str, Any]):
    class _Get:
        __slots__ = ('instance',)
        instance: 'NamedDict'

        def __call__(self, key: str, default=None):
            return super(NamedDict, self.instance).get(key, default)

        def __get__(self, instance, owner=None):
            self.instance = instance
            return self

        def __getattr__(self, name: str):
            return super(NamedDict, self.instance).get(name)

    class _SetDefault:
        __slots__ = ('instance',)
        instance: 'NamedDict'

        def __call__(self, key: str, default=None):
            return super(NamedDict, self.instance).setdefault(key, default)

        def __get__(self, instance, owner=None):
            self.instance = instance
            return self

        def __getattr__(self, name: str):
            def setdefault(default=None):
                return super(NamedDict, self.instance).setdefault(name, default)

            return setdefault

    get = _Get()
    setdefault = _SetDefault()

    def __getattr__(self, name: str):
        return self[name]

    def __setattr__(self, name: str, value):
        if name in vars(self):
            super().__setattr__(name, value)
        else:
            self[name] = value

    def __delattr__(self, name: str):
        if name in vars(self):
            super().__delattr__(name)
        else:
            del self[name]