python Pipe 双管道通信

 1 from multiprocessing import Process,current_process,Queue,Pipe
 2 import time
 3 import pickle
 4 
 5 def func_left(q,left):
 6     for a in range(5000):
 7         b = q.get()#从队列中获取数据
 8         print(‘向右管道发送数据‘,b)
 9         msg = pickle.dumps(b)#给右管道发送数据 数据是序列化之后的数据
10         # left.send(msg)#发送数据
11         
12 
13 def func_right(q,right):
14     for a in range(5000):
15         #从队列中获取数据
16         msg = pickle.loads(right.recv())#从右管道接受数据 数据是反序列化之后的数据
17         print(‘接受到左管道发送的数据‘,msg)#打印出接受的数据
18 
19 
20     
21 
22 
23 def main():
24     q = Queue()#新建立一个queue共享数据
25     for a in range(10001):
26         q.put(a)
27     left,right = Pipe()#建立双管道
28     p1 = Process(target = func_left,name = ‘左管道‘,args=(q,left))
29     p2 = Process(target = func_right,name = ‘右管道‘,args=(q,right))
30     p1.start()
31     p2.start()
32 
33 
34 if __name__ == ‘__main__‘:
35     main()