SickGear/sickbeard/providers/kat.py

# coding=utf-8
#
# This file is part of SickGear.
#
# SickGear 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.
#
# SickGear 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 SickGear.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import with_statement

import re
import os
import datetime
import traceback
import urllib

from . import generic
from sickbeard import config, logger, tvcache, show_name_helpers, helpers
from sickbeard.bs4_parser import BS4Parser
from sickbeard.common import Quality, mediaExtensions
from sickbeard.name_parser.parser import NameParser, InvalidNameException, InvalidShowException
from lib.unidecode import unidecode


class KATProvider(generic.TorrentProvider):

    def __init__(self):
        generic.TorrentProvider.__init__(self, 'KickAssTorrents')

        self.url_base = 'https://kat.ph/'
        self.urls = {'config_provider_home_uri': self.url_base,
                     'search': [self.url_base, 'http://katproxy.com/'],
                     'cache_params': 'tv/?field=time_add&sorder=desc',
                     'search_params': 'usearch/%s/?field=seeders&sorder=desc'}

        self.url = self.urls['config_provider_home_uri']

        self.minseed, self.minleech = 2 * [None]
        self.confirmed = False
        self.cache = KATCache(self)

    def _find_season_quality(self, title, torrent_link, ep_number):
        """ Return the modified title of a Season Torrent with the quality found inspecting torrent file list """

        quality = Quality.UNKNOWN

        file_name = None

        data = self.get_url(torrent_link)
        if not data:
            return None

        try:
            with BS4Parser(data, features=['html5lib', 'permissive']) as soup:
                file_table = soup.find('table', attrs={'class': 'torrentFileList'})

                if not file_table:
                    return None

                files = [x.text for x in file_table.find_all('td', attrs={'class': 'torFileName'})]
                video_files = filter(lambda i: i.rpartition('.')[2].lower() in mediaExtensions, files)

                # Filtering SingleEpisode/MultiSeason Torrent
                if len(video_files) < ep_number or len(video_files) > float(ep_number * 1.1):
                    logger.log(u'Result %s lists %s episodes with %s episodes retrieved in torrent'
                               % (title, ep_number, len(video_files)), logger.DEBUG)
                    logger.log(u'Result %s seem to be a single episode or multi-season torrent, skipping result...'
                               % title, logger.DEBUG)
                    return None

                if Quality.UNKNOWN != Quality.sceneQuality(title):
                    return title

                for file_name in video_files:
                    quality = Quality.sceneQuality(os.path.basename(file_name))
                    if Quality.UNKNOWN != quality:
                        break

                if None is not file_name and Quality.UNKNOWN == quality:
                    quality = Quality.assumeQuality(os.path.basename(file_name))

                if Quality.UNKNOWN == quality:
                    logger.log(u'Unable to obtain a Season Quality for ' + title, logger.DEBUG)
                    return None

                try:
                    my_parser = NameParser(showObj=self.show)
                    parse_result = my_parser.parse(file_name)
                except (InvalidNameException, InvalidShowException):
                    return None

                logger.log(u'Season quality for %s is %s' % (title, Quality.qualityStrings[quality]), logger.DEBUG)

                if parse_result.series_name and parse_result.season_number:
                    title = parse_result.series_name + ' S%02d %s' % (int(parse_result.season_number),
                                                                      self._reverse_quality(quality))
                return title

        except Exception:
            logger.log(u'Failed to quality parse ' + self.name + ' Traceback: ' + traceback.format_exc(), logger.ERROR)

    def _get_season_search_strings(self, ep_obj, **kwargs):

        if ep_obj.show.air_by_date or ep_obj.show.is_sports:
            airdate = str(ep_obj.airdate).split('-')[0]
            ep_detail = [airdate, 'Season ' + airdate]
        elif ep_obj.show.is_anime:
            ep_detail = '%02i' % ep_obj.scene_absolute_number
        else:
            season = (ep_obj.season, ep_obj.scene_season)[bool(ep_obj.show.is_scene)]
            ep_detail = ['S%(s)02i -S%(s)02iE' % {'s': season}, 'Season %s -Ep*' % season]

        return [{'Season': self._build_search_strings(ep_detail, append=(' category:tv', '')[self.show.is_anime])}]

    def _get_episode_search_strings(self, ep_obj, add_string='', **kwargs):

        if not ep_obj:
            return []

        if self.show.air_by_date or self.show.is_sports:
            ep_detail = str(ep_obj.airdate).replace('-', ' ')
            if self.show.is_sports:
                ep_detail += '|' + ep_obj.airdate.strftime('%b')
        elif self.show.is_anime:
            ep_detail = '%02i' % ep_obj.scene_absolute_number
        else:
            season, episode = ((ep_obj.season, ep_obj.episode),
                               (ep_obj.scene_season, ep_obj.scene_episode))[bool(ep_obj.show.is_scene)]
            ep_dict = {'seasonnumber': season, 'episodenumber': episode}
            ep_detail = '%s|%s' % (config.naming_ep_type[2] % ep_dict, config.naming_ep_type[0] % ep_dict)
        # include provider specific appends
        if not isinstance(add_string, list):
            add_string = [add_string]
        add_string = [x + ' category:tv' for x in add_string]

        return [{'Episode': self._build_search_strings(ep_detail, append=(add_string, '')[self.show.is_anime])}]

    def _do_search(self, search_params, search_mode='eponly', epcount=0, age=0):

        results = []
        items = {'Season': [], 'Episode': [], 'Cache': []}

        rc = dict((k, re.compile('(?i)' + v)) for (k, v) in {'link': 'normal'}.items())
        url = 0
        for mode in search_params.keys():
            for search_string in search_params[mode]:

                self.url = self.urls['search'][url]
                search_args = ('search_params', 'cache_params')['Cache' == mode]
                search_url = self.url + self.urls[search_args]
                if 'Cache' != mode:
                    search_url %= urllib.quote(unidecode(search_string))

                html = helpers.getURL(search_url)

                cnt = len(items[mode])
                try:
                    if not html or self._has_no_results(html) or re.search(r'did not match any documents', html):
                        if html and 'kastatic' not in html:
                            url += (1, 0)[url == len(self.urls['search'])]
                        raise generic.HaltParseException

                    with BS4Parser(html, features=['html5lib', 'permissive']) as soup:
                        torrent_table = soup.find('table', attrs={'class': 'data'})
                        torrent_rows = [] if not torrent_table else torrent_table.find_all('tr')

                        if 2 > len(torrent_rows):
                            raise generic.HaltParseException

                        for tr in torrent_rows[1:]:
                            try:
                                seeders, leechers = [int(tr.find_all('td')[x].get_text().strip()) for x in (-2, -1)]
                                if 'Cache' != mode and (seeders < self.minseed or leechers < self.minleech):
                                    continue

                                info = tr.find('div', {'class': 'torrentname'})
                                title = (info.find_all('a')[1].get_text() or info.find('a', 'cellMainLink').get_text())\
                                    .strip()
                                link = self.url + info.find('a', {'class': rc['link']})['href'].lstrip('/')

                                download_magnet = tr.find('a', 'imagnet')['href']
                            except (AttributeError, TypeError):
                                continue

                            if self.confirmed and not tr.find('a', 'iverify'):
                                logger.log(u'Skipping untrusted non-verified result: %s' % title, logger.DEBUG)
                                continue

                            # Check number video files = episode in season and find the real Quality for full season torrent analyzing files in torrent
                            if 'Season' == mode and 'sponly' == search_mode:
                                ep_number = int(epcount / len(set(show_name_helpers.allPossibleShowNames(self.show))))
                                title = self._find_season_quality(title, link, ep_number)

                            if title and download_magnet:
                                items[mode].append((title, download_magnet, seeders))

                except generic.HaltParseException:
                    pass
                except Exception:
                    logger.log(u'Failed to parse. Traceback: %s' % traceback.format_exc(), logger.ERROR)
                self._log_result(mode, len(items[mode]) - cnt, search_url)

            # For each search mode sort all the items by seeders
            items[mode].sort(key=lambda tup: tup[2], reverse=True)

            results += items[mode]

        return results

    def find_propers(self, search_date=datetime.datetime.today()):

        return self._find_propers(search_date, '')


class KATCache(tvcache.TVCache):

    def __init__(self, this_provider):
        tvcache.TVCache.__init__(self, this_provider)

        self.minTime = 20  # cache update frequency

    def _getRSSData(self):

        return self.provider.get_cache_data()


provider = KATProvider()