self.event.wait(self.interval) ifnotself.event.is_set(): self.fn(*self.args) defadd(x,y): logging.warning(x+y) t=MyTimer(5,add,(4,5)) t.start() # time.sleep(2) # t.cancel() 运行结果: WARNING:root:9 Event事件,是线程间通信机制中最简单的实现,使用一个内部的标记flag,通过flag...
@timeout (1)defprocessNum(num):num_add=num+1# results.append(str(threading.current_thread())+": "+str(num)+" → "+str(num_add))sleep (2)returnstr(threading.current_thread())+": "+str(num)+" → "+str(num_add)defmain():ts=time()pool=ThreadPool(4)results=pool.map(processNum...
schedule.enter(0,0,printTime,(inc,))schedule.run()# 10s 输出一次main(10) sched 使用步骤如下: (1)生成调度器: s = sched.scheduler(time.time,time.sleep) 第一个参数是一个可以返回时间戳的函数,第二个参数可以在定时未到达之前阻塞。 (2)加入调度事件 其实有 enter、enterabs 等等,我们以 enter ...
hours (int) – number of hours to wait minutes (int) – number of minutes to wait seconds (int) – number of seconds to wait start_date (datetime|str) – starting point for the interval calculation end_date (datetime|str) – latest possible date/time to trigger on timezone (datetime.t...
strftime是time2str。 上例中datetime_obj.strftime(format)是其对象式编程的写法,由于里面只有一个format参数,因而也往往容易诱导python用户在写strptime的时候也将format写在前面。 strftime的函数式写法为 In [9]: datetime.strftime(datetime.now(),"%b %d %Y %H:%M:%S") ...
python tcp 设置timewait python tcp send 1. TCP数据通讯 服务端: import socket host = '192.168.33.1' # 服务端IP地址 prot = 8080 # 设置端口号(可任意) server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 创建套接字
add_job(task, trigger=IntervalTrigger(seconds=3)) logger.error("开始定时任务") # 开始执行定时任务调度器 scheduler.start() time.sleep(6) logger.error("终止调度器") scheduler.shutdown(wait=False) logger.error(scheduler.get_jobs()) except (KeyboardInterrupt, SystemExit): logger.error("进程已...
= 'cpu':model(torch.zeros(1, 3, imgsz, imgsz).to(device).type_as(next(model.parameters())) # run oncet0 = time.time()# Apply NMSpred = non_max_suppression(pred, opt.conf_thres, opt.iou_thres, classes=opt.classes, agnostic=opt.agnostic_nms)t2 = time_synchronized()# Apply Class...
= http.client.OK: raise OPIExecError('Failed to delete SSH client RSA key') except Exception as reason: logging.error(reason) _del_rsa_peer_key(ops_conn, server_name) def _set_sshc_first_time(ops_conn, switch): """Set SSH client attribute of authenticating user for the first time ...
)number_i += 1 # 编号数+1label = '%s %.2f' % (names[int(cls)], conf)# 画出检测到的目标物plot_one_box(image, xyxy, label=label, color=colors[int(cls)])# 实时显示检测画面cv2.imshow('Stream', image)# if cv2.waitKey(1) & 0xFF == ord('q'):# breakc = cv2.waitKey(0)...