python多线程简单示例

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

import threadpool 
import time,random 

"""
安装threadpool
sudo easy_install threadpool
"""

def threadpool_test(arg): 
    # 做一些事情
    time.sleep(0.01) 
    return arg 

def print_result(request, result): 
    print "结果 %s %r" % (request.requestID, result) 

if __name__ == "__main__":
    data = ['test_%d' % i for i in range(20)] 

    pool = threadpool.ThreadPool(5) 
    requests = threadpool.makeRequests(threadpool_test, data, print_result) 
    for req in requests:
        pool.putRequest(req) 

    pool.wait() 

    print '结束！'