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SickRage/sickbeard/show_name_helpers.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 fnmatch
import os
import re
import datetime
import sickbeard
from sickbeard.common import countryList
from sickbeard.helpers import sanitizeSceneName
from sickbeard.scene_exceptions import get_scene_exceptions
from sickbeard import logger
from sickbeard import db
from sickbeard import encodingKludge as ek
from name_parser.parser import NameParser, InvalidNameException
from lib.unidecode import unidecode
resultFilters = ["sub(pack|s|bed)", "swesub(bed)?",
"(dir|sample|sub|nfo)fix", "sample", "(dvd)?extras",
"dub(bed)?"]
def filterBadReleases(name):
"""
Filters out non-english and just all-around stupid releases by comparing them
to the resultFilters contents.
name: the release name to check
Returns: True if the release name is OK, False if it's bad.
"""
try:
fp = NameParser()
parse_result = fp.parse(name)
except InvalidNameException:
logger.log(u"Unable to parse the filename " + name + " into a valid episode", logger.WARNING)
return False
# if we can't find the show then there's nothing we can really do
if not parse_result.show:
logger.log(u"This show isn't in your list, skipping ...",
logger.DEBUG)
return False
# if any of the bad strings are in the name then say no
if sickbeard.IGNORE_WORDS:
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resultFilters.extend(sickbeard.IGNORE_WORDS.split(','))
filters = [re.compile('(^|[\W_])%s($|[\W_])' % filter.strip(), re.I) for filter in resultFilters]
for regfilter in filters:
if regfilter.search(name):
logger.log(u"Invalid scene release: " + name + " contains pattern: " + regfilter.pattern + ", ignoring it", logger.DEBUG)
return False
return True
def sceneToNormalShowNames(name):
"""
Takes a show name from a scene dirname and converts it to a more "human-readable" format.
name: The show name to convert
Returns: a list of all the possible "normal" names
"""
if not name:
return []
name_list = [name]
# use both and and &
new_name = re.sub('(?i)([\. ])and([\. ])', '\\1&\\2', name, re.I)
if new_name not in name_list:
name_list.append(new_name)
results = []
for cur_name in name_list:
# add brackets around the year
results.append(re.sub('(\D)(\d{4})$', '\\1(\\2)', cur_name))
# add brackets around the country
country_match_str = '|'.join(countryList.values())
results.append(re.sub('(?i)([. _-])(' + country_match_str + ')$', '\\1(\\2)', cur_name))
results += name_list
return list(set(results))
def makeSceneShowSearchStrings(show):
showNames = allPossibleShowNames(show)
# scenify the names
return map(sanitizeSceneName, showNames)
def makeSceneSeasonSearchString(show, ep_obj, extraSearchType=None):
myDB = db.DBConnection()
if show.air_by_date:
numseasons = 0
# the search string for air by date shows is just
seasonStrings = [ep_obj.scene_season]
elif show.sports:
numseasons = 0
# the search string for air by date shows is just
seasonStrings = [ep_obj.scene_season]
else:
numseasonsSQlResult = myDB.select(
"SELECT COUNT(DISTINCT season) as numseasons FROM tv_episodes WHERE showid = ? and season != 0",
[show.indexerid])
numseasons = int(numseasonsSQlResult[0][0])
seasonStrings = ["S%02d" % int(ep_obj.scene_season)]
showNames = set(makeSceneShowSearchStrings(show))
toReturn = []
# search each show name
for curShow in showNames:
# most providers all work the same way
if not extraSearchType:
# if there's only one season then we can just use the show name straight up
if numseasons == 1:
toReturn.append(curShow)
# for providers that don't allow multiple searches in one request we only search for Sxx style stuff
else:
for cur_season in seasonStrings:
toReturn.append(curShow + "." + cur_season)
# episode
toReturn.extend(makeSceneSearchString(show, ep_obj))
return toReturn
def makeSceneSearchString(show, ep_obj):
myDB = db.DBConnection()
numseasonsSQlResult = myDB.select(
"SELECT COUNT(DISTINCT season) as numseasons FROM tv_episodes WHERE showid = ? and season != 0",
[show.indexerid])
numseasons = int(numseasonsSQlResult[0][0])
numepisodesSQlResult = myDB.select(
"SELECT COUNT(episode) as numepisodes FROM tv_episodes WHERE showid = ? and season != 0",
[show.indexerid])
numepisodes = int(numepisodesSQlResult[0][0])
# see if we should use dates instead of episodes
if show.air_by_date and ep_obj.airdate != datetime.date.fromordinal(1):
epStrings = [str(ep_obj.airdate)]
elif show.sports and ep_obj.airdate != datetime.date.fromordinal(1):
epStrings = [str(ep_obj.scene_episode)]
else:
epStrings = ["S%02iE%02i" % (int(ep_obj.scene_season), int(ep_obj.scene_episode)),
"%ix%02i" % (int(ep_obj.scene_season), int(ep_obj.scene_episode))]
# for single-season shows just search for the show name -- if total ep count (exclude s0) is less than 11
# due to the amount of qualities and releases, it is easy to go over the 50 result limit on rss feeds otherwise
if numseasons == 1 and numepisodes < 11:
epStrings = ['']
showNames = set(makeSceneShowSearchStrings(show))
toReturn = []
for curShow in showNames:
for curEpString in epStrings:
toReturn.append(curShow + '.' + curEpString)
return toReturn
def isGoodResult(name, show, log=True):
"""
Use an automatically-created regex to make sure the result actually is the show it claims to be
"""
all_show_names = allPossibleShowNames(show)
showNames = map(sanitizeSceneName, all_show_names) + all_show_names
showNames += map(unidecode, all_show_names)
for curName in set(showNames):
escaped_name = re.sub('\\\\[\\s.-]', '\W+', re.escape(curName))
if show.startyear:
escaped_name += "(?:\W+" + str(show.startyear) + ")?"
curRegex = '^' + escaped_name + '\W+(?:(?:S\d[\dE._ -])|(?:\d\d?x)|(?:\d{4}\W\d\d\W\d\d)|(?:(?:part|pt)[\._ -]?(\d|[ivx]))|Season\W+\d+\W+|E\d+\W+|(?:\d{1,3}.+\d{1,}[a-zA-Z]{2}\W+[a-zA-Z]{3,}\W+\d{4}.+))'
if log:
logger.log(u"Checking if show " + name + " matches " + curRegex, logger.DEBUG)
match = re.search(curRegex, name, re.I)
if match:
logger.log(u"Matched " + curRegex + " to " + name, logger.DEBUG)
return True
if log:
logger.log(u"Provider gave result " + name + " but that doesn't seem like a valid result for " + show.name + " so I'm ignoring it")
return False
def allPossibleShowNames(show):
"""
Figures out every possible variation of the name for a particular show. Includes TVDB name, TVRage name,
country codes on the end, eg. "Show Name (AU)", and any scene exception names.
show: a TVShow object that we should get the names of
Returns: a list of all the possible show names
"""
showNames = [show.name]
showNames += [name for name in get_scene_exceptions(show.indexerid)]
newShowNames = []
country_list = countryList
country_list.update(dict(zip(countryList.values(), countryList.keys())))
# if we have "Show Name Australia" or "Show Name (Australia)" this will add "Show Name (AU)" for
# any countries defined in common.countryList
# (and vice versa)
for curName in set(showNames):
if not curName:
continue
for curCountry in country_list:
if curName.endswith(' ' + curCountry):
newShowNames.append(curName.replace(' ' + curCountry, ' (' + country_list[curCountry] + ')'))
elif curName.endswith(' (' + curCountry + ')'):
newShowNames.append(curName.replace(' (' + curCountry + ')', ' (' + country_list[curCountry] + ')'))
showNames += newShowNames
return showNames
def determineReleaseName(dir_name=None, nzb_name=None):
"""Determine a release name from an nzb and/or folder name"""
if nzb_name is not None:
logger.log(u"Using nzb_name for release name.")
return nzb_name.rpartition('.')[0]
if dir_name is None:
return None
# try to get the release name from nzb/nfo
file_types = ["*.nzb", "*.nfo"]
for search in file_types:
reg_expr = re.compile(fnmatch.translate(search), re.IGNORECASE)
files = [file_name for file_name in ek.ek(os.listdir, dir_name) if
ek.ek(os.path.isfile, ek.ek(os.path.join, dir_name, file_name))]
results = filter(reg_expr.search, files)
if len(results) == 1:
found_file = ek.ek(os.path.basename, results[0])
found_file = found_file.rpartition('.')[0]
if filterBadReleases(found_file):
logger.log(u"Release name (" + found_file + ") found from file (" + results[0] + ")")
return found_file.rpartition('.')[0]
# If that fails, we try the folder
folder = ek.ek(os.path.basename, dir_name)
if filterBadReleases(folder):
# NOTE: Multiple failed downloads will change the folder name.
# (e.g., appending #s)
# Should we handle that?
logger.log(u"Folder name (" + folder + ") appears to be a valid release name. Using it.")
return folder
return None