python使用队列实现生产者消费者

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# -*- coding: utf-8 -*-"""Created on Thu May  8 11:09:11 2014@author: lifeix"""import timeimport threadingfrom Queue import Queueimport randomclass Producer(threading.Thread):    def __init__(self, t_name, queue):        threading.Thread.__init__(self, name=t_name)        self.data = queue    def run(self):        for i in range(20):            print "%s:%s 正在生产 %d to the queue!\n" %(time.ctime(), self.getName(),i)            self.data.put(i)            time.sleep(random.randrange(10)/5)        print "%s: %s finished!" %(time.ctime(), self.getName())        class Consumer(threading.Thread):        def __init__(self, t_name, queue):        threading.Thread.__init__(self, name=t_name)        self.data = queue            def run(self):        for i in range(20):            val = self.data.get()            print "%s: %s is 正在消费. %d in the queue is consumed!\n" %(time.ctime(),self.getName(), val)            time.sleep(random.randrange(10)/5)        print "%s: %s finished!" %(time.ctime(), self.getName())        if __name__== '__main__':    #test()    #test1()    queue = Queue()    producer = Producer('Pro.', queue)    consumer = Consumer('Con.', queue)    producer.start()    consumer.start()    producer.join()    consumer.join()    print 'All threads terminate!'

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