Convert Dict to Object

attrdict.py

class AttrDict(dict):
    """
    Convert a dict to an object.
    """
    def __init__(self, new_dict):
        self.__dict__.update(new_dict)
        for key, val in new_dict.items():
            if isinstance(val, dict):
                self.__dict__[key] = AttrDict(val)
            else:
                class AttrType(type(val)):
                    def __getattribute__(self, name):
                        try:
                            return object.__getattribute__(self, name)
                        except AttributeError:
                            return None
                self.__dict__[key] = AttrType(val)

    def __getattr__(self, attr, default=None):
        return self.get(attr, default)


test_dict = {
    'a': [1, 2, 3],
    'b': {
        'ba': 'f',
        'bb': {
            'bba': [1, 2],
            'bbb': {
                'bbba': 1
            }
        }
    },
    'c': 1
}
test_obj = AttrDict(test_dict)

assert isinstance(test_obj.b, AttrDict)
assert test_obj.a == [1, 2, 3]
assert isinstance(test_obj.a, list)
assert test_obj.a.b is None
assert test_obj.b.ba == 'f'
assert isinstance(test_obj.b.ba, str)
assert test_obj.b.bb.bbb.bbba == 1
assert isinstance(test_obj.b.bb.bbb.bbba, int)
assert test_obj.b.bb.bbb.bbbb is None
assert test_obj.b.bb.bbb.get('bbbb') is None
assert test_obj.b.bb.bbb.get('bbbb', 1.) == 1.0

Don't use this!!! It's memory hungry.