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Enso-Bot/venv/Lib/site-packages/apscheduler/schedulers/background.py

42 lines
1.5 KiB
Python

from __future__ import absolute_import
from threading import Thread, Event
from apscheduler.schedulers.base import BaseScheduler
from apscheduler.schedulers.blocking import BlockingScheduler
from apscheduler.util import asbool
class BackgroundScheduler(BlockingScheduler):
"""
A scheduler that runs in the background using a separate thread
(:meth:`~apscheduler.schedulers.base.BaseScheduler.start` will return immediately).
Extra options:
========== =============================================================================
``daemon`` Set the ``daemon`` option in the background thread (defaults to ``True``, see
`the documentation
<https://docs.python.org/3.4/library/threading.html#thread-objects>`_
for further details)
========== =============================================================================
"""
_thread = None
def _configure(self, config):
self._daemon = asbool(config.pop('daemon', True))
super(BackgroundScheduler, self)._configure(config)
def start(self, *args, **kwargs):
self._event = Event()
BaseScheduler.start(self, *args, **kwargs)
self._thread = Thread(target=self._main_loop, name='APScheduler')
self._thread.daemon = self._daemon
self._thread.start()
def shutdown(self, *args, **kwargs):
super(BackgroundScheduler, self).shutdown(*args, **kwargs)
self._thread.join()
del self._thread