mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-25 02:57:22 +00:00
87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2020 mmonkey
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import division, print_function, unicode_literals
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import datetime
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from . import config, constants
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from .services.background_scheduler import BackgroundScheduler
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from .tasks.database import TaskReconnectDatabase
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from .tasks.thumbnail import TaskGenerateCoverThumbnails, TaskGenerateSeriesThumbnails
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from .services.worker import WorkerThread
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def get_scheduled_tasks(reconnect=True):
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tasks = list()
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# Reconnect Calibre database (metadata.db)
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if reconnect:
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tasks.append(lambda: TaskReconnectDatabase())
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# Generate all missing book cover thumbnails
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if config.schedule_generate_book_covers:
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tasks.append(lambda: TaskGenerateCoverThumbnails())
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# Generate all missing series thumbnails
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if config.schedule_generate_series_covers:
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tasks.append(lambda: TaskGenerateSeriesThumbnails())
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return tasks
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def end_scheduled_tasks():
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worker = WorkerThread.get_instance()
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for __, __, __, task in worker.tasks:
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if task.scheduled and task.is_cancellable:
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worker.end_task(task.id)
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def register_scheduled_tasks():
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scheduler = BackgroundScheduler()
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if scheduler:
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# Remove all existing jobs
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scheduler.remove_all_jobs()
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start = config.schedule_start_time
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end = config.schedule_end_time
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# Register scheduled tasks
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if start != end:
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scheduler.schedule_tasks(tasks=get_scheduled_tasks(), trigger='cron', hour=start)
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scheduler.schedule(func=end_scheduled_tasks, trigger='cron', hour=end)
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# Kick-off tasks, if they should currently be running
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now = datetime.datetime.now().hour
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if start <= now < end:
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scheduler.schedule_tasks_immediately(tasks=get_scheduled_tasks(False))
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def register_startup_tasks():
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scheduler = BackgroundScheduler()
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if scheduler:
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start = config.schedule_start_time
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end = config.schedule_end_time
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now = datetime.datetime.now().hour
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# Run scheduled tasks immediately for development and testing
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# Ignore tasks that should currently be running, as these will be added when registering scheduled tasks
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if constants.APP_MODE in ['development', 'test'] and not (start <= now < end):
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scheduler.schedule_tasks_immediately(tasks=get_scheduled_tasks(False))
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