python 定时器

def run():
    t = time.gmtime()
    hour = t.tm_hour + 8
    minute = t.tm_min
    sec = t.tm_sec
    if hour < 10:
        hour = hour
        hour = '0' + str(hour)
    if minute < 10:
        minute = '0' + str(minute)
    if sec < 10:
        sec = '0' + str(sec)

    print str(hour) + '.' + str(minute)
    curTime = str(hour) + '.' + str(minute)
    SAKS.digital_display.show(curTime)
    # print("timer run:" ,time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())))
    global timer
    timer = threading.Timer(1, run)
    timer.start()

timer = threading.Timer(0,run)
timer.start()