SoFunction
Updated on 2024-11-15

Example python retry decorator


#!/usr/bin/env python
# -*- coding: utf-8 -*-
#  tanyewei@
#  2014/01/27 10:36
import time
import logging
import socket
from functools import wraps

(level=)

def retry(MyException, tries=4, delay=3, backoff=2, logger=None):
    def deco_retry(f):
        @wraps(f)
        def f_retry(*args, **kwargs):
            mtries, mdelay = tries, delay
            while mtries > 1:
                try:
                    return f(*args, **kwargs)
                except MyException as ex:
                    msg = "%s, Retrying in %d seconds..." % (str(ex), mdelay)
                    if logger:
                        (msg)
                    else:
                        print msg
                    (mdelay)
                    mtries -= 1
                    mdelay *= backoff
            return str(ex)

        return f_retry

    return deco_retry

@retry(Exception, logger=logging)
def check():
    sk = ()
    (5)
    (('6.6.6.6', 80))

if __name__ == "__main__":
    check()