python多线程简单示例

来源：http://www.open-open.com/code/view/1461224708346

1. #!/usr/bin/env python2.7
   
2. # -*- coding: utf-8 -*-
   
3. 
   
4. import threadpool
   
5. import time,random
   
6. 
   
7. """
   
8. 安装threadpool
   
9. sudo easy_install threadpool
   
10. """
    
11. 
    
12. def threadpool_test(arg):
    
13.     # 做一些事情
    
14.     time.sleep(0.01)
    
15.     return arg
    
16. 
    
17. def print_result(request, result):
    
18.     print "结果 %s %r" % (request.requestID, result)
    
19. 
    
20. if __name__ == "__main__":
    
21.     data = ['test_%d' % i for i in range(20)]
    
22. 
    
23.     pool = threadpool.ThreadPool(5)
    
24.     requests = threadpool.makeRequests(threadpool_test, data, print_result)
    
25.     for req in requests:
    
26.         pool.putRequest(req)
    
27. 
    
28.     pool.wait()
    
29. 
    
30.     print '结束！'

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