A fork of the original contentdb, codenamed "Okapi".
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# ContentDB
# Copyright (C) 2018-21 rubenwardy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from logging import Filter
import flask
from celery import Celery, signals
from celery.schedules import crontab
from app import app
class TaskError(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr("TaskError: " + self.value)
class FlaskCelery(Celery):
def __init__(self, *args, **kwargs):
super(FlaskCelery, self).__init__(*args, **kwargs)
self.patch_task()
if 'app' in kwargs:
self.init_app(kwargs['app'])
def patch_task(self):
BaseTask : celery.Task = self.Task
_celery = self
class ContextTask(BaseTask):
abstract = True
def __call__(self, *args, **kwargs):
if flask.has_app_context():
return super(BaseTask, self).__call__(*args, **kwargs)
else:
with _celery.app.app_context():
return super(BaseTask, self).__call__(*args, **kwargs)
self.Task = ContextTask
def init_app(self, app):
self.app = app
self.config_from_object(app.config)
def make_celery(app):
celery = FlaskCelery(app.import_name, backend=app.config['CELERY_RESULT_BACKEND'],
broker=app.config['CELERY_BROKER_URL'])
celery.init_app(app)
return celery
celery = make_celery(app)
CELERYBEAT_SCHEDULE = {
'topic_list_import': {
'task': 'app.tasks.forumtasks.importTopicList',
'schedule': crontab(minute=1, hour=1), # 0101
},
'package_score_update': {
'task': 'app.tasks.pkgtasks.updatePackageScores',
'schedule': crontab(minute=10, hour=1), # 0110
},
'check_for_updates': {
'task': 'app.tasks.importtasks.check_for_updates',
'schedule': crontab(minute=10, hour=1), # 0110
},
'send_pending_notifications': {
'task': 'app.tasks.emails.send_pending_notifications',
'schedule': crontab(minute='*/5'), # every 5 minutes
},
'send_notification_digests': {
'task': 'app.tasks.emails.send_pending_digests',
'schedule': crontab(minute=0, hour=14), # 1400
},
'delete_inactive_users': {
'task': 'app.tasks.users.delete_inactive_users',
'schedule': crontab(minute=15), # every hour at quarter past
},
}
celery.conf.beat_schedule = CELERYBEAT_SCHEDULE
from . import importtasks, forumtasks, emails, pkgtasks, celery
# noinspection PyUnusedLocal
@signals.after_setup_logger.connect
def on_after_setup_logger(**kwargs):
from app.maillogger import build_handler
class ExceptionFilter(Filter):
def filter(self, record):
if record.exc_info:
exc, _, _ = record.exc_info
if exc == TaskError:
return False
return True
logger = celery.log.get_default_logger()
handler = build_handler(app)
handler.addFilter(ExceptionFilter())
logger.addHandler(handler)