PYTHON线程知识再研习F---队列同步Queue

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import threading
import time
from Queue import Queue

class Producer(threading.Thread):
    def run(self):
        global queue
        count = 0
        while True:
            for i in range(100):
                if queue.qsize() > 1000:
                    pass
                else:
                    count += 1
                    msg = '生成产品' + str(count)
                    queue.put(count)
                    print msg
            time.sleep(1)

class Consumer(threading.Thread):
    def run(self):
        global queue
        while True:
            for i in range(3):
                if queue.qsize() < 100:
                    pass
                else:
                    msg = self.name + '消费了' + queue.get()
                    print msg
            time.sleep(1)
queue = Queue()

def test():
    for i in range(500):
        queue.put('初始产品' + str(i))
    for i in range(2):
        p = Producer()
        p.start()
    for i in range(5):
        c = Consumer()
        c.start()

if __name__ == '__main__':
    test()