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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