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SickRage/sickbeard/search_queue.py

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# 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/>.
from __future__ import with_statement
import datetime
from threading import Thread
import threading
import time
import sickbeard
from sickbeard import db, logger, common, exceptions, helpers
from sickbeard import generic_queue
from sickbeard import search, failed_history, history
from sickbeard import ui
from lib.concurrent import futures
BACKLOG_SEARCH = 10
RSS_SEARCH = 20
FAILED_SEARCH = 30
MANUAL_SEARCH = 30
class SearchQueue(generic_queue.GenericQueue):
def __init__(self):
generic_queue.GenericQueue.__init__(self)
self.queue_name = "SEARCHQUEUE"
def is_in_queue(self, show, segment):
for cur_item in self.queue:
if isinstance(cur_item, BacklogQueueItem) and cur_item.show == show and cur_item.segment == segment:
return True
return False
def is_ep_in_queue(self, ep_obj):
for cur_item in self.queue:
if isinstance(cur_item, ManualSearchQueueItem) and cur_item.ep_obj == ep_obj:
return True
return False
def pause_backlog(self):
self.min_priority = generic_queue.QueuePriorities.HIGH
def unpause_backlog(self):
self.min_priority = 0
def is_backlog_paused(self):
# backlog priorities are NORMAL, this should be done properly somewhere
return self.min_priority >= generic_queue.QueuePriorities.NORMAL
def is_backlog_in_progress(self):
for cur_item in self.queue + [self.currentItem]:
if isinstance(cur_item, BacklogQueueItem):
return True
return False
def add_item(self, item):
if isinstance(item, RSSSearchQueueItem):
generic_queue.GenericQueue.add_item(self, item)
elif isinstance(item, BacklogQueueItem) and not self.is_in_queue(item.show, item.segment):
generic_queue.GenericQueue.add_item(self, item)
elif isinstance(item, ManualSearchQueueItem) and not self.is_ep_in_queue(item.ep_obj):
generic_queue.GenericQueue.add_item(self, item)
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elif isinstance(item, FailedQueueItem) and not self.is_in_queue(item.show, item.episodes):
generic_queue.GenericQueue.add_item(self, item)
else:
logger.log(u"Not adding item, it's already in the queue", logger.DEBUG)
class ManualSearchQueueItem(generic_queue.QueueItem):
def __init__(self, ep_obj):
generic_queue.QueueItem.__init__(self, 'Manual Search', MANUAL_SEARCH)
self.priority = generic_queue.QueuePriorities.HIGH
self.ep_obj = ep_obj
self.success = None
def execute(self):
generic_queue.QueueItem.execute(self)
foundResults = []
didSearch = False
providers = [x for x in sickbeard.providers.sortedProviderList() if x.isActive()]
try:
with futures.ThreadPoolExecutor(sickbeard.NUM_OF_THREADS) as executor:
foundResults = list(
executor.map(self.process, providers))
didSearch = True
except Exception, e:
pass
if not didSearch:
logger.log(
u"No NZB/Torrent providers found or enabled in your SickRage config. Please check your settings.",
logger.ERROR)
result = False
if not len(foundResults):
if self.ep_obj.show.air_by_date:
ui.notifications.message('No downloads were found ...',
"Couldn't find a download for <i>%s</i>" % self.ep_obj.prettyABName())
logger.log(u"Unable to find a download for " + self.ep_obj.prettyABDName())
else:
ui.notifications.message('No downloads were found ...',
"Couldn't find a download for <i>%s</i>" % self.ep_obj.prettyName())
logger.log(u"Unable to find a download for " + self.ep_obj.prettyName())
self.success = result
else:
for foundResult in [item for sublist in foundResults for item in sublist]:
time.sleep(0.01)
result = search.snatchEpisode(foundResult)
# duplicate snatch detected due to multithreading
if result == 2:
continue
providerModule = foundResult.provider
if not result:
ui.notifications.error(
'Error while attempting to snatch ' + foundResult.name + ', check your logs')
elif providerModule == None:
ui.notifications.error('Provider is configured incorrectly, unable to download')
# just use the first result for now
logger.log(u"Downloading " + foundResult.name + " from " + foundResult.provider.name)
self.success = result
def process(self, curProvider):
if self.ep_obj.show.air_by_date:
logger.log("Beginning manual search for " + self.ep_obj.prettyABDName())
else:
logger.log("Beginning manual search for " + self.ep_obj.prettyName())
return search.searchProviders(self.ep_obj.show, self.ep_obj.season, [self.ep_obj], curProvider, False, True)
def finish(self):
# don't let this linger if something goes wrong
if self.success == None:
self.success = False
else:
generic_queue.QueueItem.finish(self)
class RSSSearchQueueItem(generic_queue.QueueItem):
def __init__(self):
generic_queue.QueueItem.__init__(self, 'RSS Search', RSS_SEARCH)
def execute(self):
generic_queue.QueueItem.execute(self)
foundResults = []
didSearch = False
providers = [x for x in sickbeard.providers.sortedProviderList() if x.isActive()]
try:
with futures.ThreadPoolExecutor(sickbeard.NUM_OF_THREADS) as executor:
foundResults = list(
executor.map(self.process, providers))
didSearch = True
except:
pass
if not didSearch:
logger.log(
u"No NZB/Torrent providers found or enabled in the sickbeard config. Please check your settings.",
logger.ERROR)
if len(foundResults):
for curResult in [item for sublist in foundResults for item in sublist]:
time.sleep(0.01)
result = search.snatchEpisode(curResult)
# duplicate snatch detected due to multithreading
if result == 2:
continue
else:
logger.log(u"RSS Feed search found nothing to snatch ...")
generic_queue.QueueItem.finish(self)
def process(self, curProvider):
self._changeMissingEpisodes()
logger.log(u"Beginning search for new episodes on RSS feeds and in cache")
return search.searchForNeededEpisodes(curProvider)
def _changeMissingEpisodes(self):
logger.log(u"Changing all old missing episodes to status WANTED")
curDate = datetime.date.today().toordinal()
myDB = db.DBConnection()
sqlResults = myDB.select("SELECT * FROM tv_episodes WHERE status = ? AND airdate < ?",
[common.UNAIRED, curDate])
for sqlEp in sqlResults:
try:
show = helpers.findCertainShow(sickbeard.showList, int(sqlEp["showid"]))
except exceptions.MultipleShowObjectsException:
logger.log(u"ERROR: expected to find a single show matching " + str(sqlEp["showid"]))
return None
if show == None:
logger.log(u"Unable to find the show with ID " + str(
sqlEp["showid"]) + " in your show list! DB value was " + str(sqlEp), logger.ERROR)
return None
ep = show.getEpisode(sqlEp["season"], sqlEp["episode"])
with ep.lock:
if ep.show.paused:
ep.status = common.SKIPPED
else:
ep.status = common.WANTED
ep.saveToDB()
class BacklogQueueItem(generic_queue.QueueItem):
def __init__(self, show, segment):
generic_queue.QueueItem.__init__(self, 'Backlog', BACKLOG_SEARCH)
self.priority = generic_queue.QueuePriorities.LOW
self.thread_name = 'BACKLOG-' + str(show.indexerid)
self.show = show
self.segment = segment
self.wantedEpisodes = []
logger.log(u"Seeing if we need any episodes from " + self.show.name + " season " + str(self.segment))
myDB = db.DBConnection()
# see if there is anything in this season worth searching for
if not self.show.air_by_date:
statusResults = myDB.select("SELECT status, episode FROM tv_episodes WHERE showid = ? AND season = ?",
[self.show.indexerid, self.segment])
else:
season_year, season_month = map(int, self.segment.split('-'))
min_date = datetime.date(season_year, season_month, 1)
# it's easier to just hard code this than to worry about rolling the year over or making a month length map
if season_month == 12:
max_date = datetime.date(season_year, 12, 31)
else:
max_date = datetime.date(season_year, season_month + 1, 1) - datetime.timedelta(days=1)
statusResults = myDB.select(
"SELECT status, episode FROM tv_episodes WHERE showid = ? AND airdate >= ? AND airdate <= ?",
[self.show.indexerid, min_date.toordinal(), max_date.toordinal()])
anyQualities, bestQualities = common.Quality.splitQuality(self.show.quality) #@UnusedVariable
self.wantedEpisodes = self._need_any_episodes(statusResults, bestQualities)
def execute(self):
generic_queue.QueueItem.execute(self)
foundResults = []
didSearch = False
providers = [x for x in sickbeard.providers.sortedProviderList() if x.isActive()]
try:
with futures.ThreadPoolExecutor(sickbeard.NUM_OF_THREADS) as executor:
foundResults = list(executor.map(self.process,providers))
didSearch = True
except:
pass
if not didSearch:
logger.log(
u"No NZB/Torrent providers found or enabled in the sickbeard config. Please check your settings.",
logger.ERROR)
if len(foundResults):
for curResult in [item for sublist in foundResults for item in sublist]:
time.sleep(0.01)
result = search.snatchEpisode(curResult)
# duplicate snatch detected due to multithreading
if result == 2:
continue
else:
logger.log(u"Backlog search found nothing to snatch ...")
self.finish()
def process(self, curProvider):
# check if we want to search for season packs instead of just season/episode
seasonSearch = False
seasonEps = self.show.getAllEpisodes(self.segment)
if len(seasonEps) == len(self.wantedEpisodes):
seasonSearch = True
return search.searchProviders(self.show, self.segment, self.wantedEpisodes, curProvider, seasonSearch, False)
def _need_any_episodes(self, statusResults, bestQualities):
wantedEpisodes = []
# check through the list of statuses to see if we want any
for curStatusResult in statusResults:
time.sleep(0.01)
curCompositeStatus = int(curStatusResult["status"])
curStatus, curQuality = common.Quality.splitCompositeStatus(curCompositeStatus)
episode = int(curStatusResult["episode"])
if bestQualities:
highestBestQuality = max(bestQualities)
else:
highestBestQuality = 0
# if we need a better one then say yes
if (curStatus in (common.DOWNLOADED, common.SNATCHED, common.SNATCHED_PROPER,
common.SNATCHED_BEST) and curQuality < highestBestQuality) or curStatus == common.WANTED:
epObj = self.show.getEpisode(self.segment, episode)
wantedEpisodes.append(epObj)
return wantedEpisodes
class FailedQueueItem(generic_queue.QueueItem):
def __init__(self, show, episodes):
generic_queue.QueueItem.__init__(self, 'Retry', FAILED_SEARCH)
self.priority = generic_queue.QueuePriorities.HIGH
self.thread_name = 'RETRY-' + str(show.indexerid)
self.show = show
self.episodes = episodes
self.success = None
def execute(self):
generic_queue.QueueItem.execute(self)
foundResults = []
didSearch = False
providers = [x for x in sickbeard.providers.sortedProviderList() if x.isActive()]
try:
with futures.ThreadPoolExecutor(sickbeard.NUM_OF_THREADS) as executor:
foundResults = list(
executor.map(self.process, providers))
didSearch = True
except:
pass
if not didSearch:
logger.log(
u"No NZB/Torrent providers found or enabled in the sickbeard config. Please check your settings.",
logger.ERROR)
if len(foundResults):
for curResult in [item for sublist in foundResults for item in sublist]:
time.sleep(0.01)
result = search.snatchEpisode(curResult)
# duplicate snatch detected due to multithreading
if result == 2:
continue
self.success = result
else:
logger.log(u"Retry failed download search found nothing to snatch ...")
self.finish()
def process(self, curProvider):
episodes = []
for i, epObj in enumerate(episodes):
time.sleep(0.01)
if epObj.show.air_by_date:
logger.log("Beginning manual search for " + epObj.prettyABDName())
else:
logger.log(
"Beginning failed download search for " + epObj.prettyName())
(release, provider) = failed_history.findRelease(self.show, epObj.season, epObj.episode)
if release:
logger.log(u"Marking release as bad: " + release)
failed_history.markFailed(self.show, epObj.season, epObj.episode)
failed_history.logFailed(release)
history.logFailed(self.show.indexerid, epObj.season, epObj.episode, epObj.status, release, provider)
failed_history.revertEpisode(self.show, epObj.season, epObj.episode)
episodes.append(epObj)
return search.searchProviders(self.show, self.episodes[0].season, self.episodes, curProvider, False, False)