本文整理汇总了Python中multiprocessing.pool.Pool._maintain_pool方法的典型用法代码示例。如果您正苦于以下问题：Python Pool._maintain_pool方法的具体用法？Python Pool._maintain_pool怎么用？Python Pool._maintain_pool使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类multiprocessing.pool.Pool的用法示例。
在下文中一共展示了Pool._maintain_pool方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: run
# 需要导入模块: from multiprocessing.pool import Pool [as 别名]
# 或者: from multiprocessing.pool.Pool import _maintain_pool [as 别名]
def run():
setup_logger()
logger.info('Started')
queue = multiprocessing.Queue(maxsize=EVENT_QUEUE_MAX_SIZE)
pool = Pool(processes=WORKERS,
initializer=worker,
initargs=(queue,))
event_handler = EventHandler(queue)
observer = init_observer()
try:
delete_all_files(FRAMES_PATH)
observer.schedule(event_handler, path=FRAMES_PATH, recursive=True)
signal.signal(signal.SIGINT, signal_handler)
observer.start()
while True:
pool._maintain_pool() #restart workers if needed
time.sleep(1)
now = datetime.datetime.now()
if now - event_handler.last_event > datetime.timedelta(minutes=1):
logger.warning("No events received in the last minute.")
# Sometimes watchdog stops receiving events.
# We exit, so the process can be restarted.
break
except KeyboardInterrupt as err:
logger.warning("Keyboard interruption")
except Exception as err:
logger.exception(err)
finally:
observer.stop()
observer.join()
pool.terminate()
logger.warning("Bye")