SickRage/sickbeard/providers/nyaatorrents.py

# Author: Mr_Orange
# 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 urllib
import re
import sickbeard
import generic

from sickbeard import show_name_helpers
from sickbeard import logger
from sickbeard.common import Quality
from sickbeard.name_parser.parser import NameParser, InvalidNameException
from sickbeard import tvcache

REMOTE_DBG = False

class NyaaProvider(generic.TorrentProvider):
    def __init__(self):

        generic.TorrentProvider.__init__(self, "NyaaTorrents")

        self.supportsBacklog = True

        self.supportsAbsoluteNumbering = True

        self.cache = NyaaCache(self)

        self.url = 'http://www.nyaa.eu/'

    def isEnabled(self):
        return sickbeard.NYAA

    def imageName(self):
        return 'nyaatorrents.png'

    def getQuality(self, item, anime=False):
        self.debug()
        title = item.title
        quality = Quality.sceneQuality(title)
        return quality

    def findSeasonResults(self, show, season):
        results = {}

        results = generic.TorrentProvider.findSeasonResults(self, show, season)

        return results

    def _get_season_search_strings(self, show, season, wantedEp=None, searchSeason=False):
        names = []
        names.extend(show_name_helpers.makeSceneShowSearchStrings(show))
        return names

    def _get_episode_search_strings(self, ep_obj):
        return self._get_season_search_strings(ep_obj.show, ep_obj.season)

    def _doSearch(self, search_string, show=None, age=None):

        params = {"term": search_string.encode('utf-8'),
                  "sort": '2',  #Sort Descending By Seeders
        }

        searchURL = self.url + '?page=rss&' + urllib.urlencode(params)

        logger.log(u"Search string: " + searchURL, logger.DEBUG)


        data = self.getURL(searchURL)

        if not data:
            logger.log(u"Error trying to load NyaaTorrents RSS feed: " + searchURL, logger.ERROR)
            logger.log(u"RSS data: " + data, logger.DEBUG)
            return []

        items = data.entries

        results = []

        for curItem in items:

            (title, url) = self._get_title_and_url(curItem)

            if not title or not url:
                logger.log(
                    u"The XML returned from the NyaaTorrents RSS feed is incomplete, this result is unusable: " + data,
                    logger.ERROR)
                continue

            results.append(curItem)

        return results

    def _get_title_and_url(self, item):

        return generic.TorrentProvider._get_title_and_url(self, item)

    def findEpisode(self, episode, manualSearch=False):

        self._checkAuth()

        logger.log(u"Searching " + self.name + " for " + episode.prettyName())

        self.cache.updateCache()
        results = self.cache.searchCache(episode, manualSearch)
        logger.log(u"Cache results: " + str(results), logger.DEBUG)

        # if we got some results then use them no matter what.
        # OR
        # return anyway unless we're doing a manual search
        if results or not manualSearch:
            return results

        itemList = []

        for cur_search_string in self._get_episode_search_strings(episode):
            itemList += self._doSearch(cur_search_string, show=episode.show)

        for item in itemList:

            (title, url) = self._get_title_and_url(item)

            # parse the file name
            try:
                myParser = NameParser(show=episode.show)
                parse_result = myParser.parse(title)
            except InvalidNameException:
                logger.log(u"Unable to parse the filename " + title + " into a valid episode", logger.WARNING)
                continue

            if episode.show.air_by_date:
                if parse_result.air_date != episode.airdate:
                    logger.log("Episode " + title + " didn't air on " + str(episode.airdate) + ", skipping it",
                               logger.DEBUG)
                    continue
            elif episode.show.anime and episode.show.absolute_numbering:
                if episode.absolute_number not in parse_result.ab_episode_numbers:
                    logger.log("Episode " + title + " isn't " + str(episode.absolute_number) + ", skipping it",
                               logger.DEBUG)
                    continue
            elif parse_result.season_number != episode.season or episode.episode not in parse_result.episode_numbers:
                logger.log(
                    "Episode " + title + " isn't " + str(episode.season) + "x" + str(episode.episode) + ", skipping it",
                    logger.DEBUG)
                continue

            quality = self.getQuality(item, episode.show.anime)

            if not episode.show.wantEpisode(episode.season, episode.episode, quality, manualSearch):
                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)

            result = self.getResult([episode])
            result.url = url
            result.name = title
            result.quality = quality

            results.append(result)

        return results

    def _extract_name_from_filename(self, filename):
        name_regex = '(.*?)\.?(\[.*]|\d+\.TPB)\.torrent$'
        logger.log(u"Comparing " + name_regex + " against " + filename, logger.DEBUG)
        match = re.match(name_regex, filename, re.I)
        if match:
            return match.group(1)
        return None


class NyaaCache(tvcache.TVCache):
    def __init__(self, provider):
        tvcache.TVCache.__init__(self, provider)

        # only poll NyaaTorrents every 15 minutes max
        self.minTime = 15


    def _getRSSData(self):
        params = {
            "page": 'rss',  # Use RSS page
            "order": '1'  #Sort Descending By Date
        }

        url = self.provider.url + '?' + urllib.urlencode(params)

        logger.log(u"NyaaTorrents cache update URL: " + url, logger.DEBUG)

        data = self.provider.getURL(url)

        return data

    def _parseItem(self, item):
        (title, url) = self.provider._get_title_and_url(item)

        if not title or not url:
            logger.log(u"The XML returned from the NyaaTorrents RSS feed is incomplete, this result is unusable",
                       logger.ERROR)
            return None

        logger.log(u"Adding item from RSS to cache: " + title, logger.DEBUG)

        return self._addCacheEntry(title, url)


provider = NyaaProvider()