"""
@author: luojunhui
"""
import time


def retryOnNone():
    """
    基于None类型数据的重试装饰器
    :return:
    """

    def decorator(func):
        """
        :param func:
        :return:
        """
        max_retries = 10
        wait_seconds = 1

        def wrapper(*args, **kwargs):
            """

            :param args:
            :param kwargs:
            :return:
            """
            for attempt in range(max_retries):
                response = func(*args, **kwargs)
                if response['data'] is not None:
                    return response
                time.sleep(wait_seconds)
            return None

        return wrapper

    return decorator