python 进程间通信 Queue

 1 """
 2 进程间通信
 3 """
 4 import time
 5 from multiprocessing import Pool, Queue, Process
 6 
 7 
 8 def pull_task(q: Queue):
 9     tasks = ["任务1", "任务2", "任务3", "任务4", "任务5", "任务6", "任务7"]
10     for task in tasks:
11         print("正在执行", task)
12         time.sleep(1)
13         q.put(task)
14 
15 
16 def get_task(q: Queue):
17     while True:
18         try:
19             print(q.get(timeout=5))
20         except:
21             print("任务全部完成")
22             break
23 
24 
25 if __name__ == '__main__':
26     q = Queue(5)
27     p1 = Process(target=pull_task, args=(q,))
28     p2 = Process(target=get_task, args=(q,))
29     p1.start()
30     p2.start()
31     p1.join()
32     p2.join()
33 
34     print("over")