text: # -*- coding: utf-8 -*-
  """
  进程池执行器
  """
  import os
  from datetime import datetime
  
  from apscheduler.schedulers.blocking import BlockingScheduler
  
  
  def tick():
      print('Tick! The time is: %s' % datetime.now())
  
  
  if __name__ == '__main__':
      scheduler = BlockingScheduler()
      scheduler.add_executor('processpool')
      scheduler.add_job(tick, 'interval', seconds=3)
      print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
  
      try:
          scheduler.start()
      except (KeyboardInterrupt, SystemExit):
          pass
  