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properFinder.py
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properFinder.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/>.
import datetime
import operator
import sickbeard
from sickbeard import db
from sickbeard import exceptions
from sickbeard.exceptions import ex
from sickbeard import helpers, logger, show_name_helpers
from sickbeard import providers
from sickbeard import search
from sickbeard import history
from sickbeard.common import DOWNLOADED, SNATCHED, SNATCHED_PROPER, Quality
from lib.tvdb_api import tvdb_api, tvdb_exceptions
from name_parser.parser import NameParser, InvalidNameException
class ProperFinder():
def run(self):
if not sickbeard.DOWNLOAD_PROPERS:
return
logger.log(u"Beginning the search for new propers")
propers = self._getProperList()
self._downloadPropers(propers)
def _getProperList(self):
propers = {}
# for each provider get a list of the propers
for curProvider in providers.sortedProviderList():
if not curProvider.isActive():
continue
search_date = datetime.datetime.today() - datetime.timedelta(days=2)
logger.log(u"Searching for any new PROPER releases from " + curProvider.name)
try:
curPropers = curProvider.findPropers(search_date)
except exceptions.AuthException, e:
logger.log(u"Authentication error: " + ex(e), logger.ERROR)
continue
# if they haven't been added by a different provider than add the proper to the list
for x in curPropers:
name = self._genericName(x.name)
if not name in propers:
logger.log(u"Found new proper: " + x.name, logger.DEBUG)
x.provider = curProvider
propers[name] = x
# take the list of unique propers and get it sorted by
sortedPropers = sorted(propers.values(), key=operator.attrgetter('date'), reverse=True)
finalPropers = []
for curProper in sortedPropers:
# parse the file name
try:
myParser = NameParser(False)
parse_result = myParser.parse(curProper.name)
except InvalidNameException:
logger.log(u"Unable to parse the filename " + curProper.name + " into a valid episode", logger.DEBUG)
continue
if not parse_result.episode_numbers:
logger.log(u"Ignoring " + curProper.name + " because it's for a full season rather than specific episode", logger.DEBUG)
continue
# populate our Proper instance
if parse_result.air_by_date:
curProper.season = -1
curProper.episode = parse_result.air_date
else:
curProper.season = parse_result.season_number if parse_result.season_number != None else 1
curProper.episode = parse_result.episode_numbers[0]
curProper.quality = Quality.nameQuality(curProper.name)
# for each show in our list
for curShow in sickbeard.showList:
if not parse_result.series_name:
continue
genericName = self._genericName(parse_result.series_name)
# get the scene name masks
sceneNames = set(show_name_helpers.makeSceneShowSearchStrings(curShow))
# for each scene name mask
for curSceneName in sceneNames:
# if it matches
if genericName == self._genericName(curSceneName):
logger.log(u"Successful match! Result " + parse_result.series_name + " matched to show " + curShow.name, logger.DEBUG)
# set the tvdbid in the db to the show's tvdbid
curProper.tvdbid = curShow.tvdbid
# since we found it, break out
break
# if we found something in the inner for loop break out of this one
if curProper.tvdbid != -1:
break
if curProper.tvdbid == -1:
continue
if not show_name_helpers.filterBadReleases(curProper.name):
logger.log(u"Proper " + curProper.name + " isn't a valid scene release that we want, ignoring it", logger.DEBUG)
continue
show = helpers.findCertainShow(sickbeard.showList, curProper.tvdbid)
if not show:
logger.log(u"Unable to find the show with tvdbid " + str(curProper.tvdbid), logger.ERROR)
continue
if show.rls_ignore_words and search.filter_release_name(curProper.name, show.rls_ignore_words):
logger.log(u"Ignoring " + curProper.name + " based on ignored words filter: " + show.rls_ignore_words, logger.MESSAGE)
continue
if show.rls_require_words and not search.filter_release_name(curProper.name, show.rls_require_words):
logger.log(u"Ignoring " + curProper.name + " based on required words filter: " + show.rls_require_words, logger.MESSAGE)
continue
# if we have an air-by-date show then get the real season/episode numbers
if curProper.season == -1 and curProper.tvdbid:
tvdb_lang = show.lang
# There's gotta be a better way of doing this but we don't wanna
# change the language value elsewhere
ltvdb_api_parms = sickbeard.TVDB_API_PARMS.copy()
if tvdb_lang and not tvdb_lang == 'en':
ltvdb_api_parms['language'] = tvdb_lang
try:
t = tvdb_api.Tvdb(**ltvdb_api_parms)
epObj = t[curProper.tvdbid].airedOn(curProper.episode)[0]
curProper.season = int(epObj["seasonnumber"])
curProper.episodes = [int(epObj["episodenumber"])]
except tvdb_exceptions.tvdb_episodenotfound:
logger.log(u"Unable to find episode with date " + str(curProper.episode) + " for show " + parse_result.series_name + ", skipping", logger.WARNING)
continue
# check if we actually want this proper (if it's the right quality)
sqlResults = db.DBConnection().select("SELECT status FROM tv_episodes WHERE showid = ? AND season = ? AND episode = ?", [curProper.tvdbid, curProper.season, curProper.episode])
if not sqlResults:
continue
oldStatus, oldQuality = Quality.splitCompositeStatus(int(sqlResults[0]["status"]))
# only keep the proper if we have already retrieved the same quality ep (don't get better/worse ones)
if oldStatus not in (DOWNLOADED, SNATCHED) or oldQuality != curProper.quality:
continue
# if the show is in our list and there hasn't been a proper already added for that particular episode then add it to our list of propers
if curProper.tvdbid != -1 and (curProper.tvdbid, curProper.season, curProper.episode) not in map(operator.attrgetter('tvdbid', 'season', 'episode'), finalPropers):
logger.log(u"Found a proper that we need: " + str(curProper.name))
finalPropers.append(curProper)
return finalPropers
def _downloadPropers(self, properList):
for curProper in properList:
historyLimit = datetime.datetime.today() - datetime.timedelta(days=30)
# make sure the episode has been downloaded before
myDB = db.DBConnection()
historyResults = myDB.select(
"SELECT resource FROM history "
"WHERE showid = ? AND season = ? AND episode = ? AND quality = ? AND date >= ? "
"AND action IN (" + ",".join([str(x) for x in Quality.SNATCHED]) + ")",
[curProper.tvdbid, curProper.season, curProper.episode, curProper.quality, historyLimit.strftime(history.dateFormat)])
# if we didn't download this episode in the first place we don't know what quality to use for the proper so we can't do it
if len(historyResults) == 0:
logger.log(u"Unable to find an original history entry for proper " + curProper.name + " so I'm not downloading it.")
continue
else:
# make sure that none of the existing history downloads are the same proper we're trying to download
clean_proper_name = self._genericName(helpers.remove_non_release_groups(curProper.name))
isSame = False
for curResult in historyResults:
# if the result exists in history already we need to skip it
if self._genericName(helpers.remove_non_release_groups(curResult["resource"])) == clean_proper_name:
isSame = True
break
if isSame:
logger.log(u"This proper is already in history, skipping it", logger.DEBUG)
continue
# get the episode object
showObj = helpers.findCertainShow(sickbeard.showList, curProper.tvdbid)
if showObj == None:
logger.log(u"Unable to find the show with tvdbid " + str(curProper.tvdbid) + " so unable to download the proper", logger.ERROR)
continue
epObj = showObj.getEpisode(curProper.season, curProper.episode)
# make the result object
result = curProper.provider.getResult([epObj])
result.url = curProper.url
result.name = curProper.name
result.quality = curProper.quality
# snatch it
search.snatchEpisode(result, SNATCHED_PROPER)
def _genericName(self, name):
return name.replace(".", " ").replace("-", " ").replace("_", " ").lower()