mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-17 23:34:53 +00:00
53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
|
|
# Copyright (C) 2020 mmonkey
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from __future__ import division, print_function, unicode_literals
|
|
import atexit
|
|
|
|
from .. import logger
|
|
from .worker import WorkerThread
|
|
from apscheduler.schedulers.background import BackgroundScheduler as BScheduler
|
|
|
|
|
|
class BackgroundScheduler:
|
|
_instance = None
|
|
|
|
def __new__(cls):
|
|
if cls._instance is None:
|
|
cls._instance = super(BackgroundScheduler, cls).__new__(cls)
|
|
|
|
scheduler = BScheduler()
|
|
atexit.register(lambda: scheduler.shutdown())
|
|
|
|
cls.log = logger.create()
|
|
cls.scheduler = scheduler
|
|
cls.scheduler.start()
|
|
|
|
return cls._instance
|
|
|
|
def add(self, func, trigger, **trigger_args):
|
|
return self.scheduler.add_job(func=func, trigger=trigger, **trigger_args)
|
|
|
|
def add_task(self, user, task, trigger, **trigger_args):
|
|
def scheduled_task():
|
|
worker_task = task()
|
|
self.log.info('Running scheduled task in background: ' + worker_task.name + ': ' + worker_task.message)
|
|
WorkerThread.add(user, worker_task)
|
|
|
|
return self.add(func=scheduled_task, trigger=trigger, **trigger_args)
|