python实现对象字典

class ObjectDict(object):
    def __init__(self, d):
        self.__d__ = d

    def __setattr__(self, key, value):
        if key == '__d__':
            return super.__setattr__(self, key, value)

        self.__d__.__setitem__(key, value)

    def __getattr__(self, item):
        if item == '__d__':
            return super.__getattr__(self, item)

        val = self.__d__.__getitem__(item)
        if isinstance(val, dict):
            return self.__class__(val)
        elif isinstance(val, list):
            return [self.__class__(d) for d in val]
        else:
            return val


if __name__ == '__main__':
    data = {
        'id': 1,
        'name': '苹果',
        'solder': [
            {
                'id': 1,
                'name': 'a'
            },
            {
                'id': 2,
                'name': 'b'
            }
        ]
    }
    od = ObjectDict(data)
    print(od.solder[0].name)
    od.solder[0].name = 'jack'
    print(od.solder[0].name)
    print(data)