matplotlib_standalone.py 文件源码

def begin(queue, event=None):
  signal.signal(signal.SIGINT, sigint_handler)
  signal.signal(signal.SIGTERM, sigterm_handler)

  load(queue)
  start()

  try:
    while True:
      signal.pause()
  except AttributeError:
    # signal.pause() not implemented on windows
   # while not event.is_set():
    while not event:
      time.sleep(1)

    print('event was set, stopping')
    stop()