python单线程实现多个定时器示例

2019-10-06 18:42:25王旭

            if not boxs:
                self.ready.pop(slot.fire)
        except (AttributeError, KeyError):
            raise CancelFail

    """ inside """
    def _start(self):
        global TimerStamp

        try:
            self.firestamp = sorted( self.ready.keys() )[0]
            stamp = float((TimerStamp + self.firestamp - int(time.time()*1000)))/1000
        except IndexError:
            self.firestamp = self.nofire
            stamp = self.nofire

        try:
            self.timer.cancel()
        except AttributeError:
            pass

        self.timer = Timer( stamp, self.hander)
        self.timer.start()

    def hander(self, *args, **kwargs):
        """ find time arrive slot, do it function """

        self.lock.acquire()

        try:
            boxs = self.ready.pop( self.firestamp )
            slots = boxs.values()
        except KeyError:
            slots = []

        for slot in slots:
            if slot.period:
                slot.pc += 1
                if slot.pc != slot.period:
                    slot.fire = slot.interval + slot.fire
                    self._addToReadyList(slot, slot.fire)
            elif slot.period == -1:
                slot.fire = slot.interval + slot.fire