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python定时器使用示例分享

　　发布时间：2023-04-06 15:03:57　

标签：python,定时器


class SLTimer(multiprocessing.Process):
    #from datetime import datetime
    #import time

    def __init__(self, target=None, args=(), kwargs={},date=None,time=None):
        '''\
        @param date 1900-01-01
        @param time 00:00:00
        '''
        super(SLTimer,self).__init__(target=target,args=args,kwargs=kwargs)
        _date = ''
        if date is None:
            _date = datetime.now().__str__()[:10]
        else :
            _date = date

        _time = ''
        if time is None:
            _time = datetime.now().__str__()[11:19]
        else:
            _time = time

        self.__runtime = '％s ％s' ％ (_date,_time)

    def run(self):
        timeLen = len('1900-00-00 00:00:00')

        while True:
            now = datetime.now().__str__()[:timeLen]
            if now>=self.__runtime:
                break
            print 'sleeping... ％s' ％ now
            time.sleep(1.0)

        super(SLTimer,self).run()

测试


def show1():
    from datetime import datetime
    print 'hello,current time:％s' ％ datetime.now().__str__()

def t23():
    from  stock.task import SLTimer

    timer = SLTimer(show1, time='16:31:50')
    timer.start()

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