Dictionary with accessing keys like an attributes

dict_attr.py

class DictWithAttributeAccess(dict):

    def __getattr__(self, key):
        return self[key]

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


class AttrDict:

    def __init__(self, params_dict):
        self.__dict__['_d'] = self.parse(params_dict)

    def parse(self, d: dict):
        for k, v in d.items():
            if isinstance(v, dict):
                d[k] = self.parse(v)

        return DictWithAttributeAccess(d)

    def __getattr__(self, item):
        return self._d[item]

    def __setattr__(self, key, value):
        self._d[key] = value

d = AttrDict({"hello": "world", {"subdictkey": "value"}})
d.hello.subdictkey