quartz学习笔记6：多线程

import Queueimport threadingimport sysimport timeimport urllib class ThreadPool:    def __init__( self,num_of_threads=10):        self.workQueue = Queue.Queue()        #self.resultQueue = Queue.Queue()        self.threads = []        self.__createThreadPool( num_of_threads )     def __createThreadPool( self, num_of_threads ):        for i in range( num_of_threads ):            #self.resultQueue             thread = MyThread(self.workQueue)            self.threads.append(thread)     def wait_for_complete(self):        #等待所有线程完成。        while len(self.threads):            thread = self.threads.pop()            #print thread.current_thread().name            #等待线程结束            if thread.isAlive():#判断线程是否还存活来决定是否调用join                thread.join()         def add_job( self, func, *args, **kwargs ):        self.workQueue.put((func,args,kwargs))   #替我们工作的线程池中的线程class MyThread(threading.Thread):    # resultQueue,    def __init__(self, workQueue, timeout=30, **kwargs):        threading.Thread.__init__(self, kwargs=kwargs)        #线程在结束前等待任务队列多长时间        self.timeout = timeout        self.setDaemon(True)        self.workQueue = workQueue        #self.resultQueue = resultQueue        self.start()     def run(self):        while True:            try:                #从工作队列中获取一个任务                func, args, kwargs = self.workQueue.get(timeout=self.timeout)                #我们要执行的任务                res = func(args, kwargs)                if self.workQueue.empty():                                        break                #报任务返回的结果放在结果队列中                #self.resultQueue.put(res)                except :                print sys.exc_info()                raise      def test_job(id, sleep = 0.001 ):    html = ""    try:        time.sleep(1)        conn = urllib.urlopen('http://fucheng830.sinaapp.com/')        html = conn.read(20)        print html        #print threading.current_thread(),id            except:        print  sys.exc_info()        return  html def test():    print 'start testing'    tp = ThreadPool(10)    for i in range(50):        time.sleep(0.2)        tp.add_job( test_job, i, i*0.001 )    tp.wait_for_complete()        #处理结果    #print 'result Queue\'s length == %d '% tp.resultQueue.qsize()    #while tp.resultQueue.qsize():    #    print tp.resultQueue.get()    print 'end testing'        if __name__ == '__main__':    test()