python 线程控制类

排第四偶家

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:
break
def do_job(args):
pass
work_manager =  WorkManager(num,10)
work_manager.wait_allcomplete()