from datetime import datetime import os from twisted.internet import reactor from apscheduler.schedulers.twisted import TwistedScheduler def tick(): print('Tick! The time is: %s' % datetime.now()) if __name__ == '__main__': scheduler = TwistedScheduler() scheduler.add_job(tick, 'interval', seconds=3) scheduler.start() print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C')) # Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed. try: reactor.run() except (KeyboardInterrupt, SystemExit): pass
twisted 作爲服務器端tcp併發常常須要一些定時器來處理一些事,通常狀況下,咱們能夠使用CallLater只能作到定時器的功能,可是使用任務調度框架就能夠實現一些常規化的工做, 如定時產生twisted 當前鏈接客戶端的信息python