python单线程实现多个定时器示例

2019-10-06 18:42:25王旭

                self._addToReadyList(slot, slot.fire)

        """ """
        self._start()
        self.lock.release()

        for slot in slots:
            try:
                slot.function(slot.args, slot.kwargs)
            except Exception:
                print "slot id %s, timer function fail" % slot.id

    """ operate new timer manager itself """
    def stop(self):
        self.timer.cancel()

    """ new timer manager """
    def add(self, period=0, interval=1, function=None, args=[], kwargs={}):
        """
        period: one time = 0, times = >0, always = -1
        interval: timer fire relative TimerReference
        function: when timer fire, call back function
        args,kwargs: callback function args
        """
        interval = int(interval) * self.resolution#seconds
        if interval < self.resolution:
            interval = self.resolution

        slot = Slot( period, interval, function, *args, **kwargs )
        box = dict([(slot.id, slot)])
        self.wait.update(box)

        return slot

    def remove(self, slot):
        if isinstance(slot, Slot):
            self.cancel(slot)

            try:
                self.wait.pop(slot.id)
            except KeyError:
                print "wait dict not has the cancel timer"

    """ timer api """
    def reset(self, slot):
        if isinstance(slot, Slot):
            self.cancel(slot)
            slot.pc = 0