annotate wiki/tasks.py @ 1191:cc4683870919

Add 2021 MP3 compilation links
author Brian Neal <bgneal@gmail.com>
date Sun, 13 Mar 2022 15:05:04 -0500
parents aeafbf3ecebf
children
rev   line source
bgneal@627 1 """
bgneal@627 2 Celery tasks for the wiki app.
bgneal@627 3
bgneal@627 4 """
bgneal@750 5 from __future__ import absolute_import
bgneal@750 6
bgneal@627 7 import datetime
bgneal@627 8 import logging
bgneal@627 9 import time
bgneal@627 10
bgneal@750 11 from celery import shared_task
bgneal@627 12 from django.conf import settings
bgneal@627 13 import redis
bgneal@627 14
bgneal@627 15 from core.services import get_redis_connection
bgneal@627 16
bgneal@627 17
bgneal@627 18 logger = logging.getLogger(__name__)
bgneal@627 19
bgneal@627 20
bgneal@750 21 @shared_task
bgneal@627 22 def expire_cookies():
bgneal@627 23 """
bgneal@627 24 Periodically run this task to remove expired cookies from the Redis set
bgneal@627 25 that is shared between this Django application & the MoinMoin wiki for
bgneal@627 26 authentication.
bgneal@627 27
bgneal@627 28 """
bgneal@627 29 now = datetime.datetime.utcnow()
bgneal@627 30 cutoff = now - datetime.timedelta(seconds=settings.WIKI_COOKIE_AGE)
bgneal@627 31 min_score = time.mktime(cutoff.utctimetuple())
bgneal@627 32
bgneal@627 33 conn = get_redis_connection()
bgneal@627 34
bgneal@627 35 set_name = settings.WIKI_REDIS_SET
bgneal@627 36 try:
bgneal@627 37 count = conn.zcard(set_name)
bgneal@627 38 except redis.RedisError:
bgneal@627 39 logger.error("Error getting zcard")
bgneal@627 40 return
bgneal@627 41
bgneal@627 42 try:
bgneal@627 43 removed = conn.zremrangebyscore(set_name, 0.0, min_score)
bgneal@627 44 except redis.RedisError:
bgneal@627 45 logger.error("Error removing by score")
bgneal@627 46 return
bgneal@627 47
bgneal@627 48 total = count - removed
bgneal@627 49 logger.info("Expire wiki cookies: removed %d, total is now %d",
bgneal@627 50 removed, total)