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SickRage/sickbeard/search_queue.py
2014-09-08 17:45:02 +08:00

255 lines
9.2 KiB
Python

# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of SickRage.
#
# SickRage 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.
#
# SickRage 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 SickRage. If not, see <http://www.gnu.org/licenses/>.
from __future__ import with_statement
import time
import traceback
import threading
import sickbeard
from sickbeard import db, logger, common, exceptions, helpers
from sickbeard import generic_queue, scheduler
from sickbeard import search, failed_history, history
from sickbeard import ui
from sickbeard.exceptions import ex
from sickbeard.search import pickBestResult
search_queue_lock = threading.Lock()
BACKLOG_SEARCH = 10
DAILY_SEARCH = 20
FAILED_SEARCH = 30
MANUAL_SEARCH = 40
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, FailedQueueItem)) 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 is_dailysearch_in_progress(self):
for cur_item in self.queue + [self.currentItem]:
if isinstance(cur_item, DailySearchQueueItem):
return True
return False
def queue_length(self):
length = {'backlog': 0, 'daily': 0, 'manual': 0, 'failed': 0}
for cur_item in self.queue:
if isinstance(cur_item, DailySearchQueueItem):
length['daily'] += 1
elif isinstance(cur_item, BacklogQueueItem):
length['backlog'] += 1
elif isinstance(cur_item, ManualSearchQueueItem):
length['manual'] += 1
elif isinstance(cur_item, FailedQueueItem):
length['failed'] += 1
return length
def add_item(self, item):
if isinstance(item, DailySearchQueueItem):
# daily searches
generic_queue.GenericQueue.add_item(self, item)
elif isinstance(item, BacklogQueueItem) and not self.is_in_queue(item.show, item.segment):
# build name cache for show
sickbeard.name_cache.buildNameCache(item.show)
# backlog searches
generic_queue.GenericQueue.add_item(self, item)
elif isinstance(item, (ManualSearchQueueItem, FailedQueueItem)) and not self.is_ep_in_queue(item.segment):
# build name cache for show
sickbeard.name_cache.buildNameCache(item.show)
# manual and failed searches
generic_queue.GenericQueue.add_item(self, item)
else:
logger.log(u"Not adding item, it's already in the queue", logger.DEBUG)
class DailySearchQueueItem(generic_queue.QueueItem):
def __init__(self):
generic_queue.QueueItem.__init__(self, 'Daily Search', DAILY_SEARCH)
def run(self):
generic_queue.QueueItem.run(self)
try:
logger.log("Beginning daily search for new episodes")
foundResults = search.searchForNeededEpisodes()
if not len(foundResults):
logger.log(u"No needed episodes found")
else:
for result in foundResults:
# just use the first result for now
logger.log(u"Downloading " + result.name + " from " + result.provider.name)
search.snatchEpisode(result)
# give the CPU a break
time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
generic_queue.QueueItem.finish(self)
except Exception:
logger.log(traceback.format_exc(), logger.DEBUG)
self.finish()
class ManualSearchQueueItem(generic_queue.QueueItem):
def __init__(self, show, segment):
generic_queue.QueueItem.__init__(self, 'Manual Search', MANUAL_SEARCH)
self.priority = generic_queue.QueuePriorities.HIGH
self.name = 'MANUAL-' + str(show.indexerid)
self.success = None
self.show = show
self.segment = segment
def run(self):
generic_queue.QueueItem.run(self)
try:
logger.log("Beginning manual search for [" + self.segment.prettyName() + "]")
searchResult = search.searchProviders(self.show, [self.segment], True)
if searchResult:
# just use the first result for now
logger.log(u"Downloading " + searchResult[0].name + " from " + searchResult[0].provider.name)
self.success = search.snatchEpisode(searchResult[0])
# give the CPU a break
time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
else:
ui.notifications.message('No downloads were found',
"Couldn't find a download for <i>%s</i>" % self.segment.prettyName())
logger.log(u"Unable to find a download for " + self.segment.prettyName())
except Exception:
logger.log(traceback.format_exc(), logger.DEBUG)
if self.success is None:
self.success = False
self.finish()
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.name = 'BACKLOG-' + str(show.indexerid)
self.success = None
self.show = show
self.segment = segment
def run(self):
generic_queue.QueueItem.run(self)
try:
logger.log("Beginning backlog search for [" + self.show.name + "]")
searchResult = search.searchProviders(self.show, self.segment, False)
if searchResult:
for result in searchResult:
# just use the first result for now
logger.log(u"Downloading " + result.name + " from " + result.provider.name)
search.snatchEpisode(result)
# give the CPU a break
time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
else:
logger.log(u"No needed episodes found during backlog search for [" + self.show.name + "]")
except Exception:
logger.log(traceback.format_exc(), logger.DEBUG)
self.finish()
class FailedQueueItem(generic_queue.QueueItem):
def __init__(self, show, segment):
generic_queue.QueueItem.__init__(self, 'Retry', FAILED_SEARCH)
self.priority = generic_queue.QueuePriorities.HIGH
self.name = 'RETRY-' + str(show.indexerid)
self.show = show
self.segment = segment
self.success = None
def run(self):
generic_queue.QueueItem.run(self)
try:
logger.log(u"Marking episode as bad: [" + self.segment.prettyName() + "]")
failed_history.markFailed(self.segment)
(release, provider) = failed_history.findRelease(self.segment)
if release:
failed_history.logFailed(release)
history.logFailed(self.segment, release, provider)
failed_history.revertEpisode(self.segment)
logger.log("Beginning failed download search for [" + self.segment.prettyName() + "]")
searchResult = search.searchProviders(self.show, [self.segment], True)
if searchResult:
for result in searchResult:
# just use the first result for now
logger.log(u"Downloading " + result.name + " from " + result.provider.name)
search.snatchEpisode(result)
# give the CPU a break
time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
else:
logger.log(u"No valid episode found to retry for [" + self.segment.prettyName() + "]")
except Exception:
logger.log(traceback.format_exc(), logger.DEBUG)
if self.success is None:
self.success = False
self.finish()