如何取消python日程安排

Question

我有一个重复的python日程安排任务如下,需要在startMonitor()中每3分钟运行一次getMyStock():

from stocktrace.util import settings
import time, os, sys, sched
schedule = sched.scheduler(time.time, time.sleep)

def periodic(scheduler, interval, action, actionargs=()):
  scheduler.enter(interval, 1, periodic,
                  (scheduler, interval, action, actionargs))
  action(*actionargs)


def startMonitor():    
    from stocktrace.parse.sinaparser import getMyStock       

    periodic(schedule, settings.POLLING_INTERVAL, getMyStock)
    schedule.run( )

问题是:

1.当某些用户事件发生时,我可以取消或停止计划吗？

2.有没有其他python模块可以更好地重复调度？就像java quartz一样？

Answer 1

Q1:scheduler.enter返回已安排的事件对象,因此请保留一个句柄,您可以cancel:

from stocktrace.util import settings
from stocktrace.parse.sinaparser import getMyStock   
import time, os, sys, sched

class Monitor(object):
    def __init__(self):
        self.schedule = sched.scheduler(time.time, time.sleep)
        self.interval = settings.POLLING_INTERVAL
        self._running = False

    def periodic(self, action, actionargs=()):
        if self._running:
            self.event = self.scheduler.enter(self.interval, 1, self.periodic, (action, actionargs))
            action(*actionargs)

    def start(self):
        self._running = True
        self.periodic(getMyStock)
        self.schedule.run( )

    def stop(self):
        self._running = False
        if self.schedule and self.event:
            self.schedule.cancel(self.event)

我已将您的代码移动到一个类中,以便更方便地引用该事件.

Q2超出了本网站的范围.