class AttrDict(dict):
def __init__(self, *args, **kwargs):
super(AttrDict, self).__init__(*args, **kwargs)
self.__dict__ = self
@classmethod
def deep_copy(cls, attr_dict):
copy = AttrDict(attr_dict)
for key, value in copy.items():
if isinstance(value, AttrDict):
copy[key] = cls.deep_copy(value)
return copy
