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...
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
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") ...
defwait_if_needed(self): now = time.time()# 移除超出时间窗口的请求记录whileself.request_timesandnow -self.request_times[0] >self.time_window:self.request_times.popleft()iflen(self.request_times) >=self.max_requests:# 计算需要等待的时间wait_time =self.time_window - (now -self.request_...
)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)...
[:port] # http://hostname[:port] # 2) Do not add a trailing slash at the end of file server path. FILE_SERVER = 'sftp://sftpuser:Pwd123@10.1.3.2' # Remote file paths: # 1) The path may include directory name and file name. # 2) If file name is not specified, indicate ...
import time import functools class DelayFunc: def __init__(self, duration, func): self.duration = duration self.func = func def __call__(self, *args, **kwargs): print(f'Wait for {self.duration} seconds...') time.sleep(self.duration) ...