dict_to_object.py

#!/usr/bin/env python
# encoding: utf-8


class DictToObject(object):

    def __init__(self, dictionary):
        def _traverse(k, v):
            if isinstance(v, dict):
                return k, DictToObject(v)
            elif isinstance(v, list):
                #  fix TypeError: unhashable type: 'list'
                return k, tuple(v)
            else:
                return k, v
        object_dict = {_traverse(k, v) for k, v in dictionary.items()}
        self.__dict__.update(object_dict)


if __name__ == '__main__':
    review_dict = {
        "data": {
            "product_id": "B00JLAJNEO",
            "user_name": "け殇之吟か",
            "review_content": "找到了好喝的酒，也是自己蛮喜欢的一款，物美价廉",
            "avg_rating": 5,
            "review_title": "物美价廉",
            "review_created_at": "2014-04-13T00:00:00",
            "user_id": "A1G0FHXLTMZILH"
        },
        "time": "1397533940211",
        "ok": True,
        "errs": []
    }
    review = DictToObject(review_dict)

    assert review.data.product_id == 'B00JLAJNEO'
    assert review.errs == ()

    print('review.data.username = %s ' % review.data.user_name)

    print('review.data.username =', review.data.user_name)
    # Notice: in python 2x out put is a tuple