python Manager dict

多进程，共享manager.dict，qthread读取有问题，报错，dictproxy，不让读取数据，2019.01.17无解

  

   

    

     

    
    

     

      from multiprocessing import Process, Manager
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      def test(m):
     
    
   

    

     

    
    

     

       # m[0]['id'] = 2 错误写法
     
    
   

    

     

    
    

     

      #正确写法
     
    
   

    

     

    
    

     

       hack = m[0]
     
    
   

    

     

    
    

     

       hack['id'] = 2
     
    
   

    

     

    
    

     

       m[0] = hack
     
    
   

    

     

    
    

     

      if __name__ == '__main__':
     
    
   

    

     

    
    

     

       manager = Manager()
     
    
   

    

     

    
    

     

       m = manager.list()
     
    
   

    

     

    
    

     

       m.append({'id': 1})
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

       p = Process(target=test,args=(m,))
     
    
   

    

     

    
    

     

       p.start()
     
    
   

    

     

    
    

     

       p.join()
     
    
   

    

     

    
    

     

       print(m[0])
     
    
  
 

  

   

    

     

    
    

     

      # coding:utf-8
     
    
   

    

     

    
    

     

      import threading
     
    
   

    

     

    
    

     

      import time
     
    
   

    

     

    
    

     

      from multiprocessing import Process, Manager
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      def test(m):
     
    
   

    

     

    
    

     

       # m[0]['id'] = 2 错误写法
     
    
   

    

     

    
    

     

      #正确写法
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

       for i in range(10):
     
    
   

    

     

    
    

     

       hack = m['id']
     
    
   

    

     

    
    

     

       hack.put(str(i))
     
    
   

    

     

    
    

     

       # hack['id'] = 2
     
    
   

    

     

    
    

     

       # m[0] = hack
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      def action(arg):
     
    
   

    

     

    
    

     

       for i in range(10):
     
    
   

    

     

    
    

     

       time.sleep(0.
     
    
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/86530788