gistfile1.txt

class CustomObject(object):

    @classmethod
    def from_dict(cls, obj):
        local_dict = {}
        for a, v in obj.items():
            if isinstance(v, dict):
                local_dict[a] = cls._attribute_types[a][0].from_dict(v)
            elif isinstance(v, list):
                subtype = cls._attribute_types[a][1]
                ret = []
                for i in v:
                    ret.append(subtype(**i))
                local_dict[a] = ret
            else:
                local_dict[a] = cls._attribute_types[a][0](v)
        return cls(**local_dict)