plexpy/lib/apscheduler/schedulers/gevent.py
2015-02-22 18:32:51 +02:00

35 lines
980 B
Python

from __future__ import absolute_import
from apscheduler.schedulers.blocking import BlockingScheduler
from apscheduler.schedulers.base import BaseScheduler
try:
from gevent.event import Event
from gevent.lock import RLock
import gevent
except ImportError: # pragma: nocover
raise ImportError('GeventScheduler requires gevent installed')
class GeventScheduler(BlockingScheduler):
"""A scheduler that runs as a Gevent greenlet."""
_greenlet = None
def start(self):
BaseScheduler.start(self)
self._event = Event()
self._greenlet = gevent.spawn(self._main_loop)
return self._greenlet
def shutdown(self, wait=True):
super(GeventScheduler, self).shutdown(wait)
self._greenlet.join()
del self._greenlet
def _create_lock(self):
return RLock()
def _create_default_executor(self):
from apscheduler.executors.gevent import GeventExecutor
return GeventExecutor()