mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-15 09:25:04 +00:00
414 lines
17 KiB
Python
414 lines
17 KiB
Python
#
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# This file is part of SickGear.
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#
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# SickGear is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# SickGear is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with SickGear. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import with_statement, division
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import datetime
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import threading
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from math import ceil
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import sickgear
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from . import db, logger, scheduler, search_queue, ui
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from .helpers import find_show_by_id
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from .providers.generic import GenericProvider
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from .search import wanted_episodes
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from .sgdatetime import SGDatetime, timestamp_near
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from .tv import TVidProdid, TVEpisode, TVShow
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from _23 import filter_list, map_iter, map_list
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from six import iteritems, itervalues, moves
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# noinspection PyUnreachableCode
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if False:
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from typing import Dict, List, Optional
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NORMAL_BACKLOG = 0
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LIMITED_BACKLOG = 10
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FULL_BACKLOG = 20
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FORCED_BACKLOG = 30
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class BacklogSearchScheduler(scheduler.Scheduler):
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def force_search(self, force_type=NORMAL_BACKLOG):
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self.action.forcetype = force_type
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self.action.force = True
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self.force = True
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def next_run(self):
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if 1 >= self.action._lastBacklog:
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return datetime.date.today()
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elif (self.action._lastBacklog + self.action.cycleTime) < datetime.date.today().toordinal():
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return datetime.date.today()
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return datetime.date.fromordinal(self.action._lastBacklog + self.action.cycleTime)
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def next_backlog_timeleft(self):
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now = datetime.datetime.now()
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torrent_enabled = 0 < len([x for x in sickgear.providers.sortedProviderList() if x.is_active() and
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getattr(x, 'enable_backlog', None) and GenericProvider.TORRENT == x.providerType])
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if now > self.action.nextBacklog or self.action.nextCyleTime != self.cycleTime:
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nextruntime = now + self.timeLeft()
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if not torrent_enabled:
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nextpossibleruntime = (datetime.datetime.fromtimestamp(self.action.last_runtime) +
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datetime.timedelta(hours=23))
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for _ in moves.xrange(5):
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if nextruntime > nextpossibleruntime:
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self.action.nextBacklog = nextruntime
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self.action.nextCyleTime = self.cycleTime
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break
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nextruntime += self.cycleTime
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else:
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self.action.nextCyleTime = self.cycleTime
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self.action.nextBacklog = nextruntime
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return self.action.nextBacklog - now if self.action.nextBacklog > now else datetime.timedelta(seconds=0)
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class BacklogSearcher(object):
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def __init__(self):
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self._lastBacklog = self._get_last_backlog()
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self.cycleTime = sickgear.BACKLOG_PERIOD
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self.lock = threading.Lock()
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self.amActive = False # type: bool
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self.amPaused = False # type: bool
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self.amWaiting = False # type: bool
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self.forcetype = NORMAL_BACKLOG # type: int
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self.force = False # type: bool
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self.nextBacklog = datetime.datetime.fromtimestamp(1) # type: datetime.datetime
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self.nextCyleTime = None
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self.currentSearchInfo = None
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self._reset_progress_indicator()
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@property
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def last_runtime(self):
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return self._get_last_runtime()
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def _reset_progress_indicator(self):
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self.percentDone = 0
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self.currentSearchInfo = {'title': 'Initializing'}
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def get_progress_indicator(self):
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if self.amActive:
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return ui.ProgressIndicator(self.percentDone, self.currentSearchInfo)
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def am_running(self):
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# type: (...) -> bool
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logger.log(u'amWaiting: ' + str(self.amWaiting) + ', amActive: ' + str(self.amActive), logger.DEBUG)
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return (not self.amWaiting) and self.amActive
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def add_backlog_item(self,
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items, # type: List[Dict[int, List[TVEpisode]]]
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standard_backlog, # type: bool
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limited_backlog, # type: bool
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forced, # type: bool
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torrent_only, # type: bool
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prevent_same=False # type: bool
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):
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"""
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add given list of show items to search backlog queue
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:param items: list of episodes to add to search
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:param standard_backlog: standard (scheduled) backlog
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:param limited_backlog: limited search
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:param forced: forced search
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:param torrent_only: only torrents
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:param prevent_same: prevent same search
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"""
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for segments in items:
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if len(segments):
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for season, segment in iteritems(segments): # type: int, List[TVEpisode]
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if prevent_same and \
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sickgear.search_queue_scheduler.action.is_in_queue(segment[0].show_obj, segment):
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continue
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self.currentSearchInfo = {'title': segment[0].show_obj.name + ' Season ' + str(season)}
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backlog_queue_item = search_queue.BacklogQueueItem(
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segment[0].show_obj, segment,
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standard_backlog=standard_backlog, limited_backlog=limited_backlog,
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forced=forced, torrent_only=torrent_only)
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sickgear.search_queue_scheduler.action.add_item(backlog_queue_item)
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@staticmethod
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def change_backlog_parts(old_count, new_count):
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try:
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my_db = db.DBConnection('cache.db')
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sql_result = my_db.select('SELECT * FROM backlogparts')
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if sql_result:
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current_parts = len(set([s['part'] for s in sql_result]))
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parts_count = len(sql_result)
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new_part_count = int(ceil(new_count / old_count * current_parts))
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parts = int(ceil(parts_count / new_part_count))
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# noinspection SqlConstantCondition
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cl = ([], [['DELETE FROM backlogparts WHERE 1=1']])[1 < parts_count]
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p = new_count - new_part_count
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for i, s in enumerate(sql_result):
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if 0 == i % parts:
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p += 1
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cl.append(['INSERT INTO backlogparts (part, indexerid, indexer) VALUES (?,?,?)',
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[p, s['indexerid'], s['indexer']]])
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if 0 < len(cl):
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my_db.mass_action(cl)
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except (BaseException, Exception):
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pass
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@staticmethod
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def providers_active(torrent_only=False, scheduled=False):
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# type: (bool, bool) -> bool
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"""
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Checks if there are any providers active for backlog search
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:param torrent_only: only check torrent providers
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:param scheduled: scheduled backlog search (can be from webif or scheduler)
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:return: any provider is active for given backlog
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"""
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return 0 < len([x for x in sickgear.providers.sortedProviderList() if x.is_active() and
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getattr(x, 'enable_backlog', None) and
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(not torrent_only or GenericProvider.TORRENT == x.providerType) and
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(not scheduled or getattr(x, 'enable_scheduled_backlog', None))])
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def search_backlog(self,
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which_shows=None, # type: Optional[List[TVShow]]
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force_type=NORMAL_BACKLOG, # type: int
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force=False, # type: bool
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prevent_same=False # type: bool
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):
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"""
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start backlog for given list of shows or start next scheduled backlog
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:param which_shows: optional list of shows to backlog search
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:param force_type: type of backlog
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:param force: force backlog
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:param prevent_same: don't start same search again
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:return: nothing
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:rtype: None
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"""
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if self.amActive and not which_shows:
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logger.log(u'Backlog is still running, not starting it again', logger.DEBUG)
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return
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if which_shows:
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show_list = which_shows
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standard_backlog = False
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else:
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show_list = sickgear.showList
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standard_backlog = True
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now = datetime.datetime.now()
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any_torrent_enabled = continued_backlog = False
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if not force and standard_backlog and (datetime.datetime.now() - datetime.datetime.fromtimestamp(
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self._get_last_runtime())) < datetime.timedelta(hours=23):
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any_torrent_enabled = any(map_iter(
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lambda x: x.is_active() and getattr(x, 'enable_backlog', None)
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and GenericProvider.TORRENT == x.providerType,
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sickgear.providers.sortedProviderList()))
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if not any_torrent_enabled:
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logger.log('Last scheduled backlog run was within the last day, skipping this run.', logger.DEBUG)
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return
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if not self.providers_active(any_torrent_enabled, standard_backlog):
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logger.log('No NZB/Torrent provider has active searching enabled in config/Media Providers,'
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' cannot start backlog.', logger.WARNING)
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return
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self._get_last_backlog()
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self.amActive = True
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self.amPaused = False
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cur_date = datetime.date.today().toordinal()
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from_date = datetime.date.fromordinal(1)
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limited_from_date = datetime.date.today() - datetime.timedelta(days=sickgear.BACKLOG_LIMITED_PERIOD)
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limited_backlog = False
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if standard_backlog and (any_torrent_enabled or sickgear.BACKLOG_NOFULL):
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logger.log(u'Running limited backlog for episodes missed during the last %s day(s)' %
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str(sickgear.BACKLOG_LIMITED_PERIOD))
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from_date = limited_from_date
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limited_backlog = True
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runparts = []
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if standard_backlog and not any_torrent_enabled and sickgear.BACKLOG_NOFULL:
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logger.log(u'Skipping automated full backlog search because it is disabled in search settings')
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my_db = db.DBConnection('cache.db')
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if standard_backlog and not any_torrent_enabled and not sickgear.BACKLOG_NOFULL:
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sql_result = my_db.select('SELECT * FROM backlogparts WHERE part in (SELECT MIN(part) FROM backlogparts)')
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if sql_result:
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sl = []
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part_nr = int(sql_result[0]['part'])
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for s in sql_result:
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show_obj = find_show_by_id({int(s['indexer']): int(s['indexerid'])})
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if show_obj:
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sl.append(show_obj)
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runparts.append(show_obj.tvid_prodid)
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show_list = sl
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continued_backlog = True
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my_db.action('DELETE FROM backlogparts WHERE part = ?', [part_nr])
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forced = standard_backlog and force_type != NORMAL_BACKLOG
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wanted_list = []
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for cur_show_obj in show_list:
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if not cur_show_obj.paused:
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w = wanted_episodes(cur_show_obj, from_date, make_dict=True,
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unaired=(sickgear.SEARCH_UNAIRED and not sickgear.UNAIRED_RECENT_SEARCH_ONLY))
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if w:
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wanted_list.append(w)
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parts = []
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if standard_backlog and not any_torrent_enabled and not continued_backlog and not sickgear.BACKLOG_NOFULL:
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fullbacklogparts = sum([len(w) for w in wanted_list if w]) // sickgear.BACKLOG_PERIOD
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h_part = []
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counter = 0
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for w in wanted_list: # type: Dict
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f = False
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for season, segment in iteritems(w): # type: int, List[TVEpisode]
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counter += 1
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if not f:
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h_part.append(segment[0].show_obj.tvid_prodid)
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f = True
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if counter > fullbacklogparts:
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counter = 0
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parts.append(h_part)
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h_part = []
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if h_part:
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parts.append(h_part)
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if not runparts and parts:
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runparts = parts[0]
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wanted_list = filter_list(
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lambda wi: wi and next(itervalues(wi))[0].show_obj.tvid_prodid in runparts, wanted_list)
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limited_wanted_list = []
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if standard_backlog and not any_torrent_enabled and runparts:
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for cur_show_obj in sickgear.showList:
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if not cur_show_obj.paused and cur_show_obj.tvid_prodid not in runparts:
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w = wanted_episodes(cur_show_obj, limited_from_date, make_dict=True,
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unaired=(sickgear.SEARCH_UNAIRED and not sickgear.UNAIRED_RECENT_SEARCH_ONLY))
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if w:
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limited_wanted_list.append(w)
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self.add_backlog_item(wanted_list, standard_backlog, limited_backlog, forced, any_torrent_enabled,
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prevent_same=prevent_same)
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if standard_backlog and not any_torrent_enabled and limited_wanted_list:
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self.add_backlog_item(limited_wanted_list, standard_backlog, True, forced, any_torrent_enabled)
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if standard_backlog and not sickgear.BACKLOG_NOFULL and not any_torrent_enabled and not continued_backlog:
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# noinspection SqlConstantCondition
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cl = ([], [['DELETE FROM backlogparts WHERE 1=1']])[any(parts)]
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for i, l in enumerate(parts):
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if 0 == i:
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continue
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cl += map_list(lambda m: ['INSERT INTO backlogparts (part, indexer, indexerid) VALUES (?,?,?)',
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[i + 1] + TVidProdid(m).list], l)
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if 0 < len(cl):
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my_db.mass_action(cl)
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# don't consider this an actual backlog search if we only did recent eps
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# or if we only did certain shows
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if from_date == datetime.date.fromordinal(1) and standard_backlog:
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self._set_last_backlog(cur_date)
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self._get_last_backlog()
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if standard_backlog and not any_torrent_enabled:
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self._set_last_runtime(now)
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self.amActive = False
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self._reset_progress_indicator()
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@staticmethod
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def _get_last_runtime():
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logger.log('Retrieving the last runtime of Backlog from the DB', logger.DEBUG)
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my_db = db.DBConnection()
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sql_result = my_db.select('SELECT * FROM info')
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if 0 == len(sql_result):
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last_run_time = 1
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elif None is sql_result[0]['last_run_backlog'] or '' == sql_result[0]['last_run_backlog']:
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last_run_time = 1
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else:
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last_run_time = int(sql_result[0]['last_run_backlog'])
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if last_run_time > int(timestamp_near(datetime.datetime.now())):
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last_run_time = 1
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return last_run_time
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def _set_last_runtime(self, when):
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logger.log('Setting the last backlog runtime in the DB to %s' % when, logger.DEBUG)
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my_db = db.DBConnection()
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sql_result = my_db.select('SELECT * FROM info')
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if isinstance(when, datetime.datetime):
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when = int(timestamp_near(when))
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else:
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when = SGDatetime.timestamp_far(when, default=0)
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if 0 == len(sql_result):
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my_db.action('INSERT INTO info (last_backlog, last_indexer, last_run_backlog) VALUES (?,?,?)', [1, 0, when])
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else:
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# noinspection SqlConstantCondition
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my_db.action('UPDATE info SET last_run_backlog=%s WHERE 1=1' % when)
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self.nextBacklog = datetime.datetime.fromtimestamp(1)
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def _get_last_backlog(self):
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logger.log('Retrieving the last check time from the DB', logger.DEBUG)
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my_db = db.DBConnection()
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sql_result = my_db.select('SELECT * FROM info')
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if 0 == len(sql_result):
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last_backlog = 1
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elif None is sql_result[0]['last_backlog'] or '' == sql_result[0]['last_backlog']:
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last_backlog = 1
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else:
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last_backlog = int(sql_result[0]['last_backlog'])
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if last_backlog > datetime.date.today().toordinal():
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last_backlog = 1
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self._lastBacklog = last_backlog
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return self._lastBacklog
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@staticmethod
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def _set_last_backlog(when):
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logger.log('Setting the last backlog in the DB to %s' % when, logger.DEBUG)
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my_db = db.DBConnection()
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sql_result = my_db.select('SELECT * FROM info')
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if 0 == len(sql_result):
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my_db.action('INSERT INTO info (last_backlog, last_indexer, last_run_backlog) VALUES (?,?,?)',
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[str(when), 0, 1])
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else:
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# noinspection SqlConstantCondition
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my_db.action('UPDATE info SET last_backlog=%s WHERE 1=1' % when)
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def run(self):
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try:
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force_type = self.forcetype
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force = self.force
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self.forcetype = NORMAL_BACKLOG
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self.force = False
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self.search_backlog(force_type=force_type, force=force)
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except (BaseException, Exception):
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self.amActive = False
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raise
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