python 代码-代码的重试机制（python简单实现）

# -*-coding:utf-8-*-

'''

Created on 2015年5月27日

@author: kanpiaoxue

'''

from time import sleep

class RetryClass(object):

def __init__(self, retryTimes, intervalTimes):

self.retryTimes = retryTimes

self.intervalTimes = intervalTimes

def doAction(self):

print 'doAction'

retryRunCount = 0

while True:

try:

self.retryAction()

break

except IOError, ex:

print 'catch Exception:', IOError, ':', ex

if retryRunCount < self.retryTimes:

retryRunCount += 1

print 'after', self.intervalTimes, 'seconds it will retry again for times:' , retryRunCount

sleep(self.intervalTimes)

continue

else:

msg = 'it retry ' + str(retryRunCount) + ' times. But it does not run successfully! Please check it.'

raise Exception(msg)

def retryAction(self):

print 'retryAction'

raise IOError('retryAction')

if __name__ == '__main__':

retryTimes = 10

intervalTimes = 1

retry = RetryClass(retryTimes, intervalTimes)

retry.doAction()