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SickRage/sickbeard/showUpdater.py

112 lines
4.8 KiB
Python

# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of Sick Beard.
#
# Sick Beard 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.
#
# Sick Beard 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 Sick Beard. If not, see <http://www.gnu.org/licenses/>.
import datetime
import os
import sickbeard
from sickbeard import logger
from sickbeard import exceptions
from sickbeard import ui
from sickbeard.exceptions import ex
from sickbeard import encodingKludge as ek
from sickbeard import db
from indexers.indexer_api import indexerApi
class ShowUpdater():
def __init__(self):
self.updateInterval = datetime.timedelta(hours=1)
def run(self, force=False):
# update at 3 AM
run_updater_time = datetime.time(hour=3)
update_datetime = datetime.datetime.now()
update_date = update_datetime.date()
logger.log(u"Checking update interval", logger.DEBUG)
hour_diff = update_datetime.time().hour - run_updater_time.hour
# if it's less than an interval after the update time then do an update (or if we're forcing it)
if 0 <= hour_diff < self.updateInterval.seconds / 3600 or force:
logger.log(u"Doing full update on all shows")
else:
return
# clean out cache directory, remove everything > 12 hours old
if sickbeard.CACHE_DIR:
for indexer in indexerApi().indexers:
cache_dir = indexerApi(indexer=indexer).cache
logger.log(u"Trying to clean cache folder " + cache_dir)
# Does our cache_dir exists
if not ek.ek(os.path.isdir, cache_dir):
logger.log(u"Can't clean " + cache_dir + " if it doesn't exist", logger.WARNING)
else:
max_age = datetime.timedelta(hours=12)
# Get all our cache files
cache_files = ek.ek(os.listdir, cache_dir)
for cache_file in cache_files:
cache_file_path = ek.ek(os.path.join, cache_dir, cache_file)
if ek.ek(os.path.isfile, cache_file_path):
cache_file_modified = datetime.datetime.fromtimestamp(ek.ek(os.path.getmtime, cache_file_path))
if update_datetime - cache_file_modified > max_age:
try:
ek.ek(os.remove, cache_file_path)
except OSError, e:
logger.log(u"Unable to clean " + cache_dir + ": " + repr(e) + " / " + str(e), logger.WARNING)
break
# select 10 'Ended' tv_shows updated more than 90 days ago to include in this update
stale_should_update = []
stale_update_date = (update_date - datetime.timedelta(days=90)).toordinal()
myDB = db.DBConnection()
# last_update_date <= 90 days, sorted ASC because dates are ordinal
sql_result = myDB.select("SELECT indexer_id FROM tv_shows WHERE status = 'Ended' AND last_update_indexer <= ? ORDER BY last_update_indexer ASC LIMIT 10;", [stale_update_date])
for cur_result in sql_result:
stale_should_update.append(cur_result['indexer_id'])
# start update process
piList = []
for curShow in sickbeard.showList:
try:
# if should_update returns True (not 'Ended') or show is selected stale 'Ended' then update, otherwise just refresh
if curShow.should_update(update_date=update_date) or curShow.indexerid in stale_should_update:
curQueueItem = sickbeard.showQueueScheduler.action.updateShow(curShow, True) # @UndefinedVariable
else:
logger.log(u"Not updating episodes for show " + curShow.name + " because it's marked as ended and last/next episode is not within the grace period.", logger.DEBUG)
curQueueItem = sickbeard.showQueueScheduler.action.refreshShow(curShow, True) # @UndefinedVariable
piList.append(curQueueItem)
except (exceptions.CantUpdateException, exceptions.CantRefreshException), e:
logger.log(u"Automatic update failed: " + ex(e), logger.ERROR)
ui.ProgressIndicators.setIndicator('dailyUpdate', ui.QueueProgressIndicator("Daily Update", piList))