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searchBacklog.py
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searchBacklog.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
import threading
import sickbeard
from sickbeard import db, scheduler
from sickbeard import search_queue
from sickbeard import logger
from sickbeard import ui
#from sickbeard.common import *
class BacklogSearchScheduler(scheduler.Scheduler):
def forceSearch(self):
self.action._set_lastBacklog(1)
self.lastRun = datetime.datetime.fromordinal(1)
def nextRun(self):
if self.action._lastBacklog <= 1:
return datetime.date.today()
else:
return datetime.date.fromordinal(self.action._lastBacklog + self.action.cycleTime)
class BacklogSearcher:
def __init__(self):
self._lastBacklog = self._get_lastBacklog()
self.cycleTime = 7
self.lock = threading.Lock()
self.amActive = False
self.amPaused = False
self.amWaiting = False
self._resetPI()
def _resetPI(self):
self.percentDone = 0
self.currentSearchInfo = {'title': 'Initializing'}
def getProgressIndicator(self):
if self.amActive:
return ui.ProgressIndicator(self.percentDone, self.currentSearchInfo)
else:
return None
def am_running(self):
logger.log(u"amWaiting: "+str(self.amWaiting)+", amActive: "+str(self.amActive), logger.DEBUG)
return (not self.amWaiting) and self.amActive
def searchBacklog(self, which_shows=None):
if which_shows:
show_list = which_shows
else:
show_list = sickbeard.showList
if self.amActive == True:
logger.log(u"Backlog is still running, not starting it again", logger.DEBUG)
return
self._get_lastBacklog()
curDate = datetime.date.today().toordinal()
fromDate = datetime.date.fromordinal(1)
if not which_shows and not curDate - self._lastBacklog >= self.cycleTime:
logger.log(u"Running limited backlog on recently missed episodes only")
fromDate = datetime.date.today() - datetime.timedelta(days=7)
self.amActive = True
self.amPaused = False
#myDB = db.DBConnection()
#numSeasonResults = myDB.select("SELECT DISTINCT(season), showid FROM tv_episodes ep, tv_shows show WHERE season != 0 AND ep.showid = show.tvdb_id AND show.paused = 0 AND ep.airdate > ?", [fromDate.toordinal()])
# get separate lists of the season/date shows
#season_shows = [x for x in show_list if not x.air_by_date]
air_by_date_shows = [x for x in show_list if x.air_by_date]
# figure out how many segments of air by date shows we're going to do
air_by_date_segments = []
for cur_id in [x.tvdbid for x in air_by_date_shows]:
air_by_date_segments += self._get_air_by_date_segments(cur_id, fromDate)
logger.log(u"Air-by-date segments: "+str(air_by_date_segments), logger.DEBUG)
#totalSeasons = float(len(numSeasonResults) + len(air_by_date_segments))
#numSeasonsDone = 0.0
# go through non air-by-date shows and see if they need any episodes
for curShow in show_list:
if curShow.paused:
continue
if curShow.air_by_date:
segments = [x[1] for x in self._get_air_by_date_segments(curShow.tvdbid, fromDate)]
else:
segments = self._get_season_segments(curShow.tvdbid, fromDate)
for cur_segment in segments:
self.currentSearchInfo = {'title': curShow.name + " Season "+str(cur_segment)}
backlog_queue_item = search_queue.BacklogQueueItem(curShow, cur_segment)
if not backlog_queue_item.wantSeason:
logger.log(u"Nothing in season "+str(cur_segment)+" needs to be downloaded, skipping this season", logger.DEBUG)
else:
sickbeard.searchQueueScheduler.action.add_item(backlog_queue_item) #@UndefinedVariable
# don't consider this an actual backlog search if we only did recent eps
# or if we only did certain shows
if fromDate == datetime.date.fromordinal(1) and not which_shows:
self._set_lastBacklog(curDate)
self.amActive = False
self._resetPI()
def _get_lastBacklog(self):
logger.log(u"Retrieving the last check time from the DB", logger.DEBUG)
myDB = db.DBConnection()
sqlResults = myDB.select("SELECT * FROM info")
if len(sqlResults) == 0:
lastBacklog = 1
elif sqlResults[0]["last_backlog"] == None or sqlResults[0]["last_backlog"] == "":
lastBacklog = 1
else:
lastBacklog = int(sqlResults[0]["last_backlog"])
self._lastBacklog = lastBacklog
return self._lastBacklog
def _get_season_segments(self, tvdb_id, fromDate):
myDB = db.DBConnection()
sqlResults = myDB.select("SELECT DISTINCT(season) as season FROM tv_episodes WHERE showid = ? AND season > 0 and airdate > ?", [tvdb_id, fromDate.toordinal()])
return [int(x["season"]) for x in sqlResults]
def _get_air_by_date_segments(self, tvdb_id, fromDate):
# query the DB for all dates for this show
myDB = db.DBConnection()
num_air_by_date_results = myDB.select("SELECT airdate, showid FROM tv_episodes ep, tv_shows show WHERE season != 0 AND ep.showid = show.tvdb_id AND show.paused = 0 ANd ep.airdate > ? AND ep.showid = ?",
[fromDate.toordinal(), tvdb_id])
# break them apart into month/year strings
air_by_date_segments = []
for cur_result in num_air_by_date_results:
cur_date = datetime.date.fromordinal(int(cur_result["airdate"]))
cur_date_str = str(cur_date)[:7]
cur_tvdb_id = int(cur_result["showid"])
cur_result_tuple = (cur_tvdb_id, cur_date_str)
if cur_result_tuple not in air_by_date_segments:
air_by_date_segments.append(cur_result_tuple)
return air_by_date_segments
def _set_lastBacklog(self, when):
logger.log(u"Setting the last backlog in the DB to " + str(when), logger.DEBUG)
myDB = db.DBConnection()
sqlResults = myDB.select("SELECT * FROM info")
if len(sqlResults) == 0:
myDB.action("INSERT INTO info (last_backlog, last_TVDB) VALUES (?,?)", [str(when), 0])
else:
myDB.action("UPDATE info SET last_backlog=" + str(when))
def run(self):
try:
self.searchBacklog()
except:
self.amActive = False
raise