retry示例

#!/usr/bin/python2.7
# -*- coding: utf-8 -*-

import time
import exceptions

def func():
    # a,b = None
    1/0
    time.sleep(1)
    print 'func done
'

count = 0
start_t = None
success = False

while True:
    try:
        if not start_t:
            start_t = int(round(time.time() * 1000))  # Millisecond
        func()
        success = True
    except TypeError as e:
        print '{} type err'.format(time.time())
        if 3 == count:
            success = True
            continue
        if count < 3:
            count += 1
            time.sleep(1)
    except exceptions.Exception as e:
        print "other"
        success = True
    finally:
        if success:
            end_t = int(round(time.time() * 1000))  # Millisecond
            run_t = format(float(end_t-start_t)/1000,'.3f')
            sleep_t = 10-float(run_t)
            print 'START: {}, END: {}, Runtime: {}'.format(start_t,end_t,run_t)
            print 'Need to sleep : {} seconds
'.format(sleep_t)
            count = 0
            start_t = None
            success = False
            time.sleep(sleep_t)