Implementierung einer zeitgesteuerten Schleifenausführung von Aufgaben über Python3

import threading
def func1(a):
    #Do something
    print('Do something')
    a+=1
    print(a)
    print('当前线程数为{}'.format(threading.activeCount()))
    if a>5:
        return
    t=threading.Timer(5,func1,(a,))
    t.start()

#!/user/bin/env python
#定时执行任务命令
import time,os,sched
schedule = sched.scheduler(time.time,time.sleep)
def perform_command(cmd,inc):
  os.system(cmd)
  print('task')
def timming_exe(cmd,inc=60):
  schedule.enter(inc,0,perform_command,(cmd,inc))
  schedule.run()
print('show time after 2 seconds:')
timming_exe('echo %time%',2)

#!/user/bin/env python
import time,os,sched
schedule = sched.scheduler(time.time,time.sleep)
def perform_command(cmd,inc):
  #在inc秒后再次运行自己，即周期运行
  schedule.enter(inc, 0, perform_command, (cmd, inc))
  os.system(cmd)
def timming_exe(cmd,inc=60):
  schedule.enter(inc,0,perform_command,(cmd,inc))
  schedule.run()#持续运行，直到计划时间队列变成空为止
print('show time after 2 seconds:')
timming_exe('echo %time%',2)

#!/user/bin/env python
import time,os
def re_exe(cmd,inc = 60):
  while True:
    os.system(cmd)
    time.sleep(inc)
re_exe("echo %time%",5)

import threading ,time
from time import sleep, ctime
class Timer(threading.Thread):
        """
        very simple but useless timer.
        """
        def __init__(self, seconds):
                self.runTime = seconds
                threading.Thread.__init__(self)
        def run(self):
                time.sleep(self.runTime)
                print ("Buzzzz!! Time's up!")
class CountDownTimer(Timer):
        """
        a timer that can counts down the seconds.
        """
        def run(self):
                counter = self.runTime
                for sec in range(self.runTime):
                        print (counter)
                        time.sleep(1.0)
                        counter -= 1
                print ("Done")
 
class CountDownExec(CountDownTimer):
        """
        a timer that execute an action at the end of the timer run.
        """
        def __init__(self, seconds, action, args=[]):
                self.args = args
                self.action = action
                CountDownTimer.__init__(self, seconds)
        def run(self):
                CountDownTimer.run(self)
                self.action(self.args)
 
def myAction(args=[]):
        print ("Performing my action with args:")
        print (args)
 
if __name__ == "__main__":
        t = CountDownExec(3, myAction, ["hello", "world"])
        t.start()
        print("2333")

'''
使用sched模块实现的timer,sched模块不是循环的，一次调度被执行后就Over了，如果想再执行，
可以使用while循环的方式不停的调用该方法
'''
import time, sched
#被调度触发的函数
def event_func(msg):
    print("Current Time:", time.strftime("%y-%m-%d %H:%M:%S"), 'msg:', msg)
def run_function():
    #初始化sched模块的scheduler类
    s = sched.scheduler(time.time, time.sleep)
    #设置一个调度,因为time.sleep()的时间是一秒,所以timer的间隔时间就是sleep的时间,加上enter的第一个参数
    s.enter(0, 2, event_func, ("Timer event.",))
    s.run()
def timer1():
    while True:
        #sched模块不是循环的，一次调度被执行后就Over了，如果想再执行，可以使用while循环的方式不停的调用该方法
        time.sleep(1)
        run_function()
if __name__ == "__main__":
    timer1()