python在类里面给类方法定义为装饰器，供其他类方法调用

import logging
import time
from functools import wraps
from traceback import print_exc


logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
logger = logging.getLogger('SPIDER')


class Spider:

    def retry(*args):
        """
        重试装饰器
        支持指定重试次数
        """
        if args:
            num = args[0]
        else:
            num = 1
        def recive_func(func):
            @wraps(func)
            def wrapper(*args, **kwargs):
                # print()
                retry_num = 0
                success = False
                res = None
                while True:
                    try:
                        res = func(*args, **kwargs)
                        success = True
                        break
                    except:
                        logger.error(f'{func.__name__}网络请求失败，重试...')
                        print_exc()
                        retry_num += 1
                        time.sleep(10)
                        print(num)

                return res
            return wrapper
        return recive_func


    @retry()
    def first_req(self, job):
        """
        初次请求
        """
        print(job)
        job+1

if __name__ == '__main__':
    Spider().first_req('dd')