python 线程控制类

class WorkManager(object):    def __init__(self, work_num=1000,thread_num=2):        self.work_queue = Queue.Queue()        self.threads = []        self.__init_work_queue(work_num)        self.__init_thread_pool(thread_num)    #----初始化线程--------------------------------------     def __init_thread_pool(self,thread_num):        for i in range(thread_num):            self.threads.append(Work(self.work_queue))    #----初始化工作队列--------------------------------------     def __init_work_queue(self, jobs_num):        for i in range(jobs_num):            self.add_job(do_job, i)    #----添加一项工作入队--------------------------------------     def add_job(self, func, *args):        self.work_queue.put((func, list(args)))#任务入队，Queue内部实现了同步机制    #----等待所有线程运行完毕--------------------------------------     def wait_allcomplete(self):        for item in self.threads:            if item.isAlive():item.join()class Work(threading.Thread):    def __init__(self, work_queue):        threading.Thread.__init__(self)        self.work_queue = work_queue        self.start()    #-----死循环，从而让创建的线程在一定条件下关闭退出    def run(self):                while True:            try:                do, args = self.work_queue.get(block=False)#任务异步出队，Queue内部实现了同步机制                do(args)                self.work_queue.task_done()#通知系统任务完成            except:                breakdef do_job(args):    passwork_manager =  WorkManager(num,10)work_manager.wait_allcomplete()

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