Python实现：生产者消费者模型（Producer Consumer Model）

#!/usr/bin/env python
#encoding:utf8

from Queue import Queue
import random,threading,time

#生产者类
class Producer(threading.Thread):
    def __init__(self, name,queue):
        threading.Thread.__init__(self, name=name)
        self.data=queue

    def run(self):
        for i in range(5):
            print("%s is producing %d to the queue!" % (self.getName(), i))
            self.data.put(i)
            time.sleep(random.randrange(10)/5)
        print("%s finished!" % self.getName())

#消费者类
class Consumer(threading.Thread):
    def __init__(self,name,queue):
        threading.Thread.__init__(self,name=name)
        self.data=queue
    def run(self):
        for i in range(5):
            val = self.data.get()
            print("%s is consuming. %d in the queue is consumed!" % (self.getName(),val))
            time.sleep(random.randrange(10))
        print("%s finished!" % self.getName())

def main():
    queue = Queue()
    producer = Producer(‘Producer‘,queue)
    consumer = Consumer(‘Consumer‘,queue)

    producer.start()
    consumer.start()

    #producer.join()
    #consumer.join()
    print ‘All threads finished!‘

if __name__ == ‘__main__‘:
    main()