# coding=utf-8 # Author: Nic Wolfe # 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 . from __future__ import with_statement import datetime import os import re import itertools import sickbeard import requests from sickbeard import helpers, classes, logger, db from sickbeard.common import MULTI_EP_RESULT, SEASON_RESULT, USER_AGENT from sickbeard import tvcache from sickbeard import encodingKludge as ek from sickbeard.exceptions import ex from sickbeard.name_parser.parser import NameParser, InvalidNameException, InvalidShowException from sickbeard.common import Quality from sickbeard import clients from hachoir_parser import createParser from base64 import b16encode, b32decode class GenericProvider: NZB = "nzb" TORRENT = "torrent" def __init__(self, name): # these need to be set in the subclass self.providerType = None self.name = name self.url = '' self.show = None self.supportsBacklog = False self.supportsAbsoluteNumbering = False self.anime_only = False self.search_mode = None self.search_fallback = False self.enable_daily = False self.enable_backlog = False self.cache = tvcache.TVCache(self) self.session = requests.session() self.headers = { # Using USER_AGENT instead of Mozilla to keep same user agent along authentication and download phases, #otherwise session might be broken and download fail, asking again for authentication #'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36'} 'User-Agent': USER_AGENT} def getID(self): return GenericProvider.makeID(self.name) @staticmethod def makeID(name): return re.sub("[^\w\d_]", "_", name.strip().lower()) def imageName(self): return self.getID() + '.png' def _checkAuth(self): return True def _doLogin(self): return True def isActive(self): if self.providerType == GenericProvider.NZB and sickbeard.USE_NZBS: return self.isEnabled() elif self.providerType == GenericProvider.TORRENT and sickbeard.USE_TORRENTS: return self.isEnabled() else: return False def isEnabled(self): """ This should be overridden and should return the config setting eg. sickbeard.MYPROVIDER """ return False def getResult(self, episodes): """ Returns a result of the correct type for this provider """ if self.providerType == GenericProvider.NZB: result = classes.NZBSearchResult(episodes) elif self.providerType == GenericProvider.TORRENT: result = classes.TorrentSearchResult(episodes) else: result = classes.SearchResult(episodes) result.provider = self return result def getURL(self, url, post_data=None, params=None, timeout=30, json=False): """ By default this is just a simple urlopen call but this method should be overridden for providers with special URL requirements (like cookies) """ # check for auth if not self._doLogin(): return return helpers.getURL(url, post_data=post_data, params=params, headers=self.headers, timeout=timeout, session=self.session, json=json) def downloadResult(self, result): """ Save the result to disk. """ # check for auth if not self._doLogin(): return False if self.providerType == GenericProvider.TORRENT: try: torrent_hash = re.findall('urn:btih:([\w]{32,40})', result.url)[0].upper() if len(torrent_hash) == 32: torrent_hash = b16encode(b32decode(torrent_hash)).lower() if not torrent_hash: logger.log("Unable to extract torrent hash from link: " + ex(result.url), logger.ERROR) return False urls = [ 'http://torcache.net/torrent/' + torrent_hash + '.torrent', 'http://torrage.com/torrent/' + torrent_hash + '.torrent', 'http://zoink.it/torrent/' + torrent_hash + '.torrent', ] except: urls = [result.url] filename = ek.ek(os.path.join, sickbeard.TORRENT_DIR, helpers.sanitizeFileName(result.name) + '.' + self.providerType) elif self.providerType == GenericProvider.NZB: urls = [result.url] filename = ek.ek(os.path.join, sickbeard.NZB_DIR, helpers.sanitizeFileName(result.name) + '.' + self.providerType) else: return for url in urls: if helpers.download_file(url, filename, session=self.session): logger.log(u"Downloading a result from " + self.name + " at " + url) if self.providerType == GenericProvider.TORRENT: logger.log(u"Saved magnet link to " + filename, logger.MESSAGE) else: logger.log(u"Saved result to " + filename, logger.MESSAGE) if self._verify_download(filename): return True logger.log(u"Failed to download result", logger.ERROR) return False def _verify_download(self, file_name=None): """ Checks the saved file to see if it was actually valid, if not then consider the download a failure. """ # primitive verification of torrents, just make sure we didn't get a text file or something if self.providerType == GenericProvider.TORRENT: parser = createParser(file_name) if parser: mime_type = parser._getMimeType() try: parser.stream._input.close() except: pass if mime_type == 'application/x-bittorrent': return True logger.log(u"Result is not a valid torrent file", logger.WARNING) return False return True def searchRSS(self, episodes): return self.cache.findNeededEpisodes(episodes) def getQuality(self, item, anime=False): """ Figures out the quality of the given RSS item node item: An elementtree.ElementTree element representing the tag of the RSS feed Returns a Quality value obtained from the node's data """ (title, url) = self._get_title_and_url(item) # @UnusedVariable quality = Quality.sceneQuality(title, anime) return quality def _doSearch(self, search_params, search_mode='eponly', epcount=0, age=0): return [] def _get_season_search_strings(self, episode): return [] def _get_episode_search_strings(self, eb_obj, add_string=''): return [] def _get_title_and_url(self, item): """ Retrieves the title and URL data from the item XML node item: An elementtree.ElementTree element representing the tag of the RSS feed Returns: A tuple containing two strings representing title and URL respectively """ title = None url = None if 'title' in item: title = item.title if title: title = title.replace(' ', '.') if 'link' in item: url = item.link if url: url = url.replace('&', '&') return title, url def findSearchResults(self, show, episodes, search_mode, manualSearch=False): self._checkAuth() self.show = show results = {} itemList = [] searched_scene_season = None for epObj in episodes: # search cache for episode result cacheResult = self.cache.searchCache(epObj, manualSearch) if cacheResult: if epObj.episode not in results: results[epObj.episode] = cacheResult else: results[epObj.episode].extend(cacheResult) # found result, search next episode continue # skip if season already searched if len(episodes) > 1 and searched_scene_season == epObj.scene_season: continue # mark season searched for season pack searches so we can skip later on searched_scene_season = epObj.scene_season if len(episodes) > 1: # get season search results for curString in self._get_season_search_strings(epObj): itemList += self._doSearch(curString, search_mode, len(episodes)) else: # get single episode search results for curString in self._get_episode_search_strings(epObj): itemList += self._doSearch(curString, 'eponly', len(episodes)) # if we found what we needed already from cache then return results and exit if len(results) == len(episodes): return results # sort list by quality if len(itemList): items = {} itemsUnknown = [] for item in itemList: quality = self.getQuality(item, anime=show.is_anime) if quality == Quality.UNKNOWN: itemsUnknown += [item] else: if quality not in items: items[quality] = [item] else: items[quality].append(item) itemList = list(itertools.chain(*[v for (k, v) in sorted(items.items(), reverse=True)])) itemList += itemsUnknown if itemsUnknown else [] # filter results cl = [] for item in itemList: (title, url) = self._get_title_and_url(item) # parse the file name try: myParser = NameParser(False, convert=True) parse_result = myParser.parse(title) except InvalidNameException: logger.log(u"Unable to parse the filename " + title + " into a valid episode", logger.DEBUG) continue except InvalidShowException: logger.log(u"Unable to parse the filename " + title + " into a valid show", logger.DEBUG) continue showObj = parse_result.show quality = parse_result.quality release_group = parse_result.release_group version = parse_result.version addCacheEntry = False if not (showObj.air_by_date or showObj.sports): if search_mode == 'sponly' and len(parse_result.episode_numbers): logger.log( u"This is supposed to be a season pack search but the result " + title + " is not a valid season pack, skipping it", logger.DEBUG) addCacheEntry = True else: if not len(parse_result.episode_numbers) and parse_result.season_number and not [ep for ep in episodes if ep.season == parse_result.season_number and ep.episode in parse_result.episode_numbers]: logger.log( u"The result " + title + " doesn't seem to be a valid season that we are trying to snatch, ignoring", logger.DEBUG) addCacheEntry = True elif len(parse_result.episode_numbers) and not [ep for ep in episodes if ep.season == parse_result.season_number and ep.episode in parse_result.episode_numbers]: logger.log( u"The result " + title + " doesn't seem to be a valid episode that we are trying to snatch, ignoring", logger.DEBUG) addCacheEntry = True if not addCacheEntry: # we just use the existing info for normal searches actual_season = parse_result.season_number actual_episodes = parse_result.episode_numbers else: if not (parse_result.is_air_by_date): logger.log( u"This is supposed to be a date search but the result " + title + " didn't parse as one, skipping it", logger.DEBUG) addCacheEntry = True else: airdate = parse_result.air_date.toordinal() myDB = db.DBConnection() sql_results = myDB.select( "SELECT season, episode FROM tv_episodes WHERE showid = ? AND airdate = ?", [showObj.indexerid, airdate]) if len(sql_results) != 1: logger.log( u"Tried to look up the date for the episode " + title + " but the database didn't give proper results, skipping it", logger.WARNING) addCacheEntry = True if not addCacheEntry: actual_season = int(sql_results[0]["season"]) actual_episodes = [int(sql_results[0]["episode"])] # add parsed result to cache for usage later on if addCacheEntry: logger.log(u"Adding item from search to cache: " + title, logger.DEBUG) ci = self.cache._addCacheEntry(title, url, parse_result=parse_result) if ci is not None: cl.append(ci) continue # make sure we want the episode wantEp = True for epNo in actual_episodes: if not showObj.wantEpisode(actual_season, epNo, quality, manualSearch): wantEp = False break if not wantEp: logger.log( u"Ignoring result " + title + " because we don't want an episode that is " + Quality.qualityStrings[ quality], logger.DEBUG) continue logger.log(u"Found result " + title + " at " + url, logger.DEBUG) # make a result object epObj = [] for curEp in actual_episodes: epObj.append(showObj.getEpisode(actual_season, curEp)) result = self.getResult(epObj) result.show = showObj result.url = url result.name = title result.quality = quality result.release_group = release_group result.content = None result.version = version if len(epObj) == 1: epNum = epObj[0].episode logger.log(u"Single episode result.", logger.DEBUG) elif len(epObj) > 1: epNum = MULTI_EP_RESULT logger.log(u"Separating multi-episode result to check for later - result contains episodes: " + str( parse_result.episode_numbers), logger.DEBUG) elif len(epObj) == 0: epNum = SEASON_RESULT logger.log(u"Separating full season result to check for later", logger.DEBUG) if epNum not in results: results[epNum] = [result] else: results[epNum].append(result) # check if we have items to add to cache if len(cl) > 0: myDB = self.cache._getDB() myDB.mass_action(cl) return results def findPropers(self, search_date=None): results = self.cache.listPropers(search_date) return [classes.Proper(x['name'], x['url'], datetime.datetime.fromtimestamp(x['time']), self.show) for x in results] def seedRatio(self): ''' Provider should override this value if custom seed ratio enabled It should return the value of the provider seed ratio ''' return '' class NZBProvider(GenericProvider): def __init__(self, name): GenericProvider.__init__(self, name) self.providerType = GenericProvider.NZB class TorrentProvider(GenericProvider): def __init__(self, name): GenericProvider.__init__(self, name) self.providerType = GenericProvider.TORRENT