# coding=utf-8 import codecs import json import re import os import logging import socket import traceback import time import operator import itertools from httplib import ResponseNotReady import rarfile import requests from collections import defaultdict from bs4 import UnicodeDammit from babelfish import LanguageReverseError from guessit.jsonutils import GuessitEncoder from subliminal import ProviderError, refiner_manager from extensions import provider_registry from subliminal.exceptions import ServiceUnavailable, DownloadLimitExceeded from subliminal.score import compute_score as default_compute_score from subliminal.utils import hash_napiprojekt, hash_opensubtitles, hash_shooter, hash_thesubdb from subliminal.video import VIDEO_EXTENSIONS, Video, Episode, Movie from subliminal.core import guessit, ProviderPool, io, is_windows_special_path, \ ThreadPoolExecutor, check_video from subliminal_patch.exceptions import TooManyRequests, APIThrottled from subzero.language import Language from scandir import scandir, scandir_generic as _scandir_generic logger = logging.getLogger(__name__) # may be absolute or relative paths; set to selected options CUSTOM_PATHS = [] INCLUDE_EXOTIC_SUBS = True DOWNLOAD_TRIES = 0 DOWNLOAD_RETRY_SLEEP = 6 # fixme: this may be overkill REMOVE_CRAP_FROM_FILENAME = re.compile(r"(?i)(?:([\s_-]+(?:obfuscated|scrambled|nzbgeek|chamele0n|buymore|xpost|postbot" r"|asrequested)(?:\[.+\])?)|([\s_-]\w{2,})(\[.+\]))(?=\.\w+$|$)") SUBTITLE_EXTENSIONS = ('.srt', '.sub', '.smi', '.txt', '.ssa', '.ass', '.mpl', '.vtt') def remove_crap_from_fn(fn): # in case of the second regex part, the legit release group name will be in group(2), if it's followed by [string] # otherwise replace fully, because the first part matched def repl(m): return m.group(2) if len(m.groups()) == 3 else "" return REMOVE_CRAP_FROM_FILENAME.sub(repl, fn) class SZProviderPool(ProviderPool): def __init__(self, providers=None, provider_configs=None, blacklist=None, throttle_callback=None, pre_download_hook=None, post_download_hook=None, language_hook=None): #: Name of providers to use self.providers = providers or provider_registry.names() #: Provider configuration self.provider_configs = provider_configs or {} #: Initialized providers self.initialized_providers = {} #: Discarded providers self.discarded_providers = set() self.blacklist = blacklist or [] self.throttle_callback = throttle_callback self.pre_download_hook = pre_download_hook self.post_download_hook = post_download_hook self.language_hook = language_hook if not self.throttle_callback: self.throttle_callback = lambda x, y: x def __enter__(self): return self def __exit__(self, exc_type, exc_value, traceback): self.terminate() def __getitem__(self, name): if name not in self.providers: raise KeyError if name not in self.initialized_providers: logger.info('Initializing provider %s', name) provider = provider_registry[name](**self.provider_configs.get(name, {})) provider.initialize() self.initialized_providers[name] = provider return self.initialized_providers[name] def __delitem__(self, name): if name not in self.initialized_providers: raise KeyError(name) try: logger.info('Terminating provider %s', name) self.initialized_providers[name].terminate() except (requests.Timeout, socket.timeout): logger.error('Provider %r timed out, improperly terminated', name) except: logger.exception('Provider %r terminated unexpectedly', name) del self.initialized_providers[name] def list_subtitles_provider(self, provider, video, languages): """List subtitles with a single provider. The video and languages are checked against the provider. patch: add traceback info :param str provider: name of the provider. :param video: video to list subtitles for. :type video: :class:`~subliminal.video.Video` :param languages: languages to search for. :type languages: set of :class:`~babelfish.language.Language` :return: found subtitles. :rtype: list of :class:`~subliminal.subtitle.Subtitle` or None """ if self.language_hook: languages_search_base = self.language_hook(provider) else: languages_search_base = languages # check video validity if not provider_registry[provider].check(video): logger.info('Skipping provider %r: not a valid video', provider) return [] # check whether we want to search this provider for the languages use_languages = languages_search_base & languages if not use_languages: logger.info('Skipping provider %r: no language to search for (advanced: %r, requested: %r)', provider, languages_search_base, languages) return [] # check supported languages provider_languages = provider_registry[provider].languages & use_languages if not provider_languages: logger.info('Skipping provider %r: no language to search for', provider) return [] # list subtitles logger.info('Listing subtitles with provider %r and languages %r', provider, provider_languages) results = [] try: try: results = self[provider].list_subtitles(video, provider_languages) except ResponseNotReady: logger.error('Provider %r response error, reinitializing', provider) try: self[provider].terminate() self[provider].initialize() results = self[provider].list_subtitles(video, provider_languages) except: logger.error('Provider %r reinitialization error: %s', provider, traceback.format_exc()) seen = [] out = [] for s in results: if (str(provider), str(s.id)) in self.blacklist: logger.info("Skipping blacklisted subtitle: %s", s) continue if s.id in seen: continue s.plex_media_fps = float(video.fps) if video.fps else None out.append(s) seen.append(s.id) return out except (requests.Timeout, socket.timeout): logger.error('Provider %r timed out', provider) except (TooManyRequests, DownloadLimitExceeded, ServiceUnavailable, APIThrottled), e: self.throttle_callback(provider, e) return except: logger.exception('Unexpected error in provider %r: %s', provider, traceback.format_exc()) def list_subtitles(self, video, languages): """List subtitles. patch: handle LanguageReverseError :param video: video to list subtitles for. :type video: :class:`~subliminal.video.Video` :param languages: languages to search for. :type languages: set of :class:`~babelfish.language.Language` :return: found subtitles. :rtype: list of :class:`~subliminal.subtitle.Subtitle` """ subtitles = [] for name in self.providers: # check discarded providers if name in self.discarded_providers: logger.debug('Skipping discarded provider %r', name) continue # list subtitles try: provider_subtitles = self.list_subtitles_provider(name, video, languages) except LanguageReverseError: logger.exception("Unexpected language reverse error in %s, skipping. Error: %s", name, traceback.format_exc()) continue if provider_subtitles is None: logger.info('Discarding provider %s', name) self.discarded_providers.add(name) continue # add the subtitles subtitles.extend(provider_subtitles) return subtitles def download_subtitle(self, subtitle): """Download `subtitle`'s :attr:`~subliminal.subtitle.Subtitle.content`. patch: add retry functionality :param subtitle: subtitle to download. :type subtitle: :class:`~subliminal.subtitle.Subtitle` :return: `True` if the subtitle has been successfully downloaded, `False` otherwise. :rtype: bool """ # check discarded providers if subtitle.provider_name in self.discarded_providers: logger.warning('Provider %r is discarded', subtitle.provider_name) return False logger.info('Downloading subtitle %r', subtitle) tries = 0 # retry downloading on failure until settings' download retry limit hit while True: tries += 1 try: if self.pre_download_hook: self.pre_download_hook(subtitle) self[subtitle.provider_name].download_subtitle(subtitle) if self.post_download_hook: self.post_download_hook(subtitle) break except (requests.ConnectionError, requests.exceptions.ProxyError, requests.exceptions.SSLError, requests.Timeout, socket.timeout): logger.error('Provider %r connection error', subtitle.provider_name) except ResponseNotReady: logger.error('Provider %r response error, reinitializing', subtitle.provider_name) try: self[subtitle.provider_name].terminate() self[subtitle.provider_name].initialize() except: logger.error('Provider %r reinitialization error: %s', subtitle.provider_name, traceback.format_exc()) except rarfile.BadRarFile: logger.error('Malformed RAR file from provider %r, skipping subtitle.', subtitle.provider_name) logger.debug("RAR Traceback: %s", traceback.format_exc()) return False except (TooManyRequests, DownloadLimitExceeded, ServiceUnavailable, APIThrottled), e: self.throttle_callback(subtitle.provider_name, e) self.discarded_providers.add(subtitle.provider_name) return False except: logger.exception('Unexpected error in provider %r, Traceback: %s', subtitle.provider_name, traceback.format_exc()) self.discarded_providers.add(subtitle.provider_name) return False if tries == DOWNLOAD_TRIES: self.discarded_providers.add(subtitle.provider_name) logger.error('Maximum retries reached for provider %r, discarding it', subtitle.provider_name) return False # don't hammer the provider logger.debug('Errors while downloading subtitle, retrying provider %r in %s seconds', subtitle.provider_name, DOWNLOAD_RETRY_SLEEP) time.sleep(DOWNLOAD_RETRY_SLEEP) # check subtitle validity if not subtitle.is_valid(): logger.error('Invalid subtitle') return False subtitle.normalize() return True def download_best_subtitles(self, subtitles, video, languages, min_score=0, hearing_impaired=False, only_one=False, compute_score=None): """Download the best matching subtitles. patch: - hearing_impaired is now string - add .score to subtitle - move all languages check further to the top (still necessary?) :param subtitles: the subtitles to use. :type subtitles: list of :class:`~subliminal.subtitle.Subtitle` :param video: video to download subtitles for. :type video: :class:`~subliminal.video.Video` :param languages: languages to download. :type languages: set of :class:`~babelfish.language.Language` :param int min_score: minimum score for a subtitle to be downloaded. :param bool hearing_impaired: hearing impaired preference. :param bool only_one: download only one subtitle, not one per language. :param compute_score: function that takes `subtitle` and `video` as positional arguments, `hearing_impaired` as keyword argument and returns the score. :return: downloaded subtitles. :rtype: list of :class:`~subliminal.subtitle.Subtitle` """ compute_score = compute_score or default_compute_score use_hearing_impaired = hearing_impaired in ("prefer", "force HI") is_episode = isinstance(video, Episode) # sort subtitles by score unsorted_subtitles = [] for s in subtitles: # get the matches if s.language not in languages: logger.debug("%r: Skipping, language not searched for", s) continue try: matches = s.get_matches(video) except AttributeError: logger.error("%r: Match computation failed: %s", s, traceback.format_exc()) continue orig_matches = matches.copy() logger.debug('%r: Found matches %r', s, matches) unsorted_subtitles.append( (s, compute_score(matches, s, video, hearing_impaired=use_hearing_impaired), matches, orig_matches)) # sort subtitles by score scored_subtitles = sorted(unsorted_subtitles, key=operator.itemgetter(1), reverse=True) # download best subtitles, falling back on the next on error downloaded_subtitles = [] for subtitle, score, matches, orig_matches in scored_subtitles: # check score if score < min_score: logger.info('%r: Score %d is below min_score (%d)', subtitle, score, min_score) break # stop when all languages are downloaded if set(s.language for s in downloaded_subtitles) == languages: logger.debug('All languages downloaded') break # check downloaded languages if subtitle.language in set(s.language for s in downloaded_subtitles): logger.debug('%r: Skipping subtitle: already downloaded', subtitle.language) continue # bail out if hearing_impaired was wrong if subtitle.hearing_impaired_verifiable and "hearing_impaired" not in matches and \ hearing_impaired in ("force HI", "force non-HI"): logger.debug('%r: Skipping subtitle with score %d because hearing-impaired set to %s', subtitle, score, hearing_impaired) continue if is_episode: can_verify_series = True if not subtitle.hash_verifiable and "hash" in matches: can_verify_series = False if can_verify_series and not {"series", "season", "episode"}.issubset(orig_matches): logger.debug("%r: Skipping subtitle with score %d, because it doesn't match our series/episode", subtitle, score) continue # download logger.debug("%r: Trying to download subtitle with matches %s, score: %s; release(s): %s", subtitle, matches, score, subtitle.release_info) if self.download_subtitle(subtitle): subtitle.score = score downloaded_subtitles.append(subtitle) # stop if only one subtitle is requested if only_one: logger.debug('Only one subtitle downloaded') break return downloaded_subtitles class SZAsyncProviderPool(SZProviderPool): """Subclass of :class:`ProviderPool` with asynchronous support for :meth:`~ProviderPool.list_subtitles`. :param int max_workers: maximum number of threads to use. If `None`, :attr:`max_workers` will be set to the number of :attr:`~ProviderPool.providers`. """ def __init__(self, max_workers=None, *args, **kwargs): super(SZAsyncProviderPool, self).__init__(*args, **kwargs) #: Maximum number of threads to use self.max_workers = max_workers or len(self.providers) logger.info("Using %d threads for %d providers (%s)", self.max_workers, len(self.providers), self.providers) def list_subtitles_provider(self, provider, video, languages): # list subtitles provider_subtitles = None try: provider_subtitles = super(SZAsyncProviderPool, self).list_subtitles_provider(provider, video, languages) except LanguageReverseError: logger.exception("Unexpected language reverse error in %s, skipping. Error: %s", provider, traceback.format_exc()) return provider, provider_subtitles def list_subtitles(self, video, languages, blacklist=None): if is_windows_special_path: return super(SZAsyncProviderPool, self).list_subtitles(video, languages) subtitles = [] with ThreadPoolExecutor(self.max_workers) as executor: for provider, provider_subtitles in executor.map(self.list_subtitles_provider, self.providers, itertools.repeat(video, len(self.providers)), itertools.repeat(languages, len(self.providers))): # discard provider that failed if provider_subtitles is None: logger.info('Discarding provider %s', provider) self.discarded_providers.add(provider) continue # add subtitles subtitles.extend(provider_subtitles) return subtitles if is_windows_special_path: SZAsyncProviderPool = SZProviderPool def scan_video(path, dont_use_actual_file=False, hints=None, providers=None, skip_hashing=False): """Scan a video from a `path`. patch: - allow passing of hints/options to guessit - allow dry-run with dont_use_actual_file - add crap removal (obfuscated/scrambled) - trust plex's movie name :param str path: existing path to the video. :return: the scanned video. :rtype: :class:`~subliminal.video.Video` """ hints = hints or {} video_type = hints.get("type") # check for non-existing path if not dont_use_actual_file and not os.path.exists(path): raise ValueError('Path does not exist') # check video extension if not path.lower().endswith(VIDEO_EXTENSIONS): raise ValueError('%r is not a valid video extension' % os.path.splitext(path)[1]) dirpath, filename = os.path.split(path) logger.info('Scanning video %r in %r', filename, dirpath) # hint guessit the filename itself and its 2 parent directories if we're an episode (most likely # Series name/Season/filename), else only one split_path = os.path.normpath(path).split(os.path.sep)[-3 if video_type == "episode" else -2:] # remove crap from folder names if video_type == "episode": if len(split_path) > 2: split_path[-3] = remove_crap_from_fn(split_path[-3]) else: if len(split_path) > 1: split_path[-2] = remove_crap_from_fn(split_path[-2]) guess_from = os.path.join(*split_path) # remove crap from file name guess_from = remove_crap_from_fn(guess_from) # guess hints["single_value"] = True if "title" in hints: hints["expected_title"] = [hints["title"]] guessed_result = guessit(guess_from, options=hints) logger.debug('GuessIt found: %s', json.dumps(guessed_result, cls=GuessitEncoder, indent=4, ensure_ascii=False)) video = Video.fromguess(path, guessed_result) video.hints = hints if dont_use_actual_file: return video # size and hashes if not skip_hashing: video.size = os.path.getsize(path) if video.size > 10485760: logger.debug('Size is %d', video.size) if "opensubtitles" in providers: video.hashes['opensubtitles'] = hash_opensubtitles(path) if "shooter" in providers: video.hashes['shooter'] = hash_shooter(path) if "thesubdb" in providers: video.hashes['thesubdb'] = hash_thesubdb(path) if "napiprojekt" in providers: try: video.hashes['napiprojekt'] = hash_napiprojekt(path) except MemoryError: logger.warning(u"Couldn't compute napiprojekt hash for %s", path) logger.debug('Computed hashes %r', video.hashes) else: logger.warning('Size is lower than 10MB: hashes not computed') return video def _search_external_subtitles(path, languages=None, only_one=False, scandir_generic=False): dirpath, filename = os.path.split(path) dirpath = dirpath or '.' fileroot, fileext = os.path.splitext(filename) subtitles = {} _scandir = _scandir_generic if scandir_generic else scandir for entry in _scandir(dirpath): if not entry.is_file(follow_symlinks=False): continue p = entry.name # keep only valid subtitle filenames if not p.startswith(fileroot) or not p.endswith(SUBTITLE_EXTENSIONS): continue p_root, p_ext = os.path.splitext(p) if not INCLUDE_EXOTIC_SUBS and p_ext not in (".srt", ".ass", ".ssa", ".vtt"): continue # extract potential forced/normal/default tag # fixme: duplicate from subtitlehelpers split_tag = p_root.rsplit('.', 1) adv_tag = None if len(split_tag) > 1: adv_tag = split_tag[1].lower() if adv_tag in ['forced', 'normal', 'default', 'embedded', 'embedded-forced', 'custom']: p_root = split_tag[0] forced = False if adv_tag: forced = "forced" in adv_tag # extract the potential language code language_code = p_root[len(fileroot):].replace('_', '-')[1:] # default language is undefined language = Language('und') # attempt to parse if language_code: try: language = Language.fromietf(language_code) language.forced = forced except ValueError: logger.error('Cannot parse language code %r', language_code) language = None if not language and only_one: language = Language.rebuild(list(languages)[0], forced=forced) subtitles[p] = language logger.debug('Found subtitles %r', subtitles) return subtitles def search_external_subtitles(path, languages=None, only_one=False): """ wrap original search_external_subtitles function to search multiple paths for one given video # todo: cleanup and merge with _search_external_subtitles """ video_path, video_filename = os.path.split(path) subtitles = {} for folder_or_subfolder in [video_path] + CUSTOM_PATHS: # folder_or_subfolder may be a relative path or an absolute one try: abspath = unicode(os.path.abspath( os.path.join(*[video_path if not os.path.isabs(folder_or_subfolder) else "", folder_or_subfolder, video_filename]))) except Exception, e: logger.error("skipping path %s because of %s", repr(folder_or_subfolder), e) continue logger.debug("external subs: scanning path %s", abspath) if os.path.isdir(os.path.dirname(abspath)): try: subtitles.update(_search_external_subtitles(abspath, languages=languages, only_one=only_one)) except OSError: subtitles.update(_search_external_subtitles(abspath, languages=languages, only_one=only_one, scandir_generic=True)) logger.debug("external subs: found %s", subtitles) return subtitles def list_all_subtitles(videos, languages, **kwargs): """List all available subtitles. patch: remove video check, it has been done before The `videos` must pass the `languages` check of :func:`check_video`. All other parameters are passed onwards to the :class:`ProviderPool` constructor. :param videos: videos to list subtitles for. :type videos: set of :class:`~subliminal.video.Video` :param languages: languages to search for. :type languages: set of :class:`~babelfish.language.Language` :return: found subtitles per video. :rtype: dict of :class:`~subliminal.video.Video` to list of :class:`~subliminal.subtitle.Subtitle` """ listed_subtitles = defaultdict(list) # return immediatly if no video passed the checks if not videos: return listed_subtitles # list subtitles with SZProviderPool(**kwargs) as pool: for video in videos: logger.info('Listing subtitles for %r', video) subtitles = pool.list_subtitles(video, languages - video.subtitle_languages) listed_subtitles[video].extend(subtitles) logger.info('Found %d subtitle(s)', len(subtitles)) return listed_subtitles def download_subtitles(subtitles, pool_class=ProviderPool, **kwargs): """Download :attr:`~subliminal.subtitle.Subtitle.content` of `subtitles`. :param subtitles: subtitles to download. :type subtitles: list of :class:`~subliminal.subtitle.Subtitle` :param pool_class: class to use as provider pool. :type pool_class: :class:`ProviderPool`, :class:`AsyncProviderPool` or similar :param \*\*kwargs: additional parameters for the provided `pool_class` constructor. """ with pool_class(**kwargs) as pool: for subtitle in subtitles: logger.info('Downloading subtitle %r with score %s', subtitle, subtitle.score) pool.download_subtitle(subtitle) def download_best_subtitles(videos, languages, min_score=0, hearing_impaired=False, only_one=False, compute_score=None, pool_class=ProviderPool, throttle_time=0, **kwargs): """List and download the best matching subtitles. The `videos` must pass the `languages` and `undefined` (`only_one`) checks of :func:`check_video`. :param videos: videos to download subtitles for. :type videos: set of :class:`~subliminal.video.Video` :param languages: languages to download. :type languages: set of :class:`~babelfish.language.Language` :param int min_score: minimum score for a subtitle to be downloaded. :param bool hearing_impaired: hearing impaired preference. :param bool only_one: download only one subtitle, not one per language. :param compute_score: function that takes `subtitle` and `video` as positional arguments, `hearing_impaired` as keyword argument and returns the score. :param pool_class: class to use as provider pool. :type pool_class: :class:`ProviderPool`, :class:`AsyncProviderPool` or similar :param \*\*kwargs: additional parameters for the provided `pool_class` constructor. :return: downloaded subtitles per video. :rtype: dict of :class:`~subliminal.video.Video` to list of :class:`~subliminal.subtitle.Subtitle` """ downloaded_subtitles = defaultdict(list) # check videos checked_videos = [] for video in videos: if not check_video(video, languages=languages, undefined=only_one): logger.info('Skipping video %r', video) continue checked_videos.append(video) # return immediately if no video passed the checks if not checked_videos: return downloaded_subtitles got_multiple = len(checked_videos) > 1 # download best subtitles with pool_class(**kwargs) as pool: for video in checked_videos: logger.info('Downloading best subtitles for %r', video) subtitles = pool.download_best_subtitles(pool.list_subtitles(video, languages - video.subtitle_languages), video, languages, min_score=min_score, hearing_impaired=hearing_impaired, only_one=only_one, compute_score=compute_score) logger.info('Downloaded %d subtitle(s)', len(subtitles)) downloaded_subtitles[video].extend(subtitles) if got_multiple and throttle_time: logger.debug("Waiting %ss before continuing ...", throttle_time) time.sleep(throttle_time) return downloaded_subtitles def get_subtitle_path(video_path, language=None, extension='.srt', forced_tag=False, tags=None): """Get the subtitle path using the `video_path` and `language`. :param str video_path: path to the video. :param language: language of the subtitle to put in the path. :type language: :class:`~babelfish.language.Language` :param str extension: extension of the subtitle. :return: path of the subtitle. :rtype: str """ subtitle_root = os.path.splitext(video_path)[0] tags = tags or [] if forced_tag: tags.append("forced") if language: subtitle_root += '.' + str(language.basename) if tags: subtitle_root += ".%s" % "-".join(tags) return subtitle_root + extension def save_subtitles(file_path, subtitles, single=False, directory=None, chmod=None, formats=("srt",), tags=None, path_decoder=None, debug_mods=False): """Save subtitles on filesystem. Subtitles are saved in the order of the list. If a subtitle with a language has already been saved, other subtitles with the same language are silently ignored. The extension used is `.lang.srt` by default or `.srt` is `single` is `True`, with `lang` being the IETF code for the :attr:`~subliminal.subtitle.Subtitle.language` of the subtitle. :param file_path: video file path :param formats: list of "srt" and "vtt" :param subtitles: subtitles to save. :type subtitles: list of :class:`~subliminal.subtitle.Subtitle` :param bool single: save a single subtitle, default is to save one subtitle per language. :param str directory: path to directory where to save the subtitles, default is next to the video. :return: the saved subtitles :rtype: list of :class:`~subliminal.subtitle.Subtitle` patch: unicode path problems """ logger.debug("Subtitle formats requested: %r", formats) saved_subtitles = [] for subtitle in subtitles: # check content if subtitle.content is None: logger.error('Skipping subtitle %r: no content', subtitle) continue # check language if subtitle.language in set(s.language for s in saved_subtitles): logger.debug('Skipping subtitle %r: language already saved', subtitle) continue # create subtitle path subtitle_path = get_subtitle_path(file_path, None if single else subtitle.language, forced_tag=subtitle.language.forced, tags=tags) if directory is not None: subtitle_path = os.path.join(directory, os.path.split(subtitle_path)[1]) if path_decoder: subtitle_path = path_decoder(subtitle_path) # force unicode subtitle_path = UnicodeDammit(subtitle_path).unicode_markup subtitle.storage_path = subtitle_path for format in formats: if format != "srt": subtitle_path = os.path.splitext(subtitle_path)[0] + (u".%s" % format) logger.debug(u"Saving %r to %r", subtitle, subtitle_path) content = subtitle.get_modified_content(format=format, debug=debug_mods) if content: with open(subtitle_path, 'w') as f: f.write(content) subtitle.storage_path = subtitle_path else: logger.error(u"Something went wrong when getting modified subtitle for %s", subtitle) # change chmod if requested if chmod: os.chmod(subtitle_path, chmod) saved_subtitles.append(subtitle) # check single if single: break return saved_subtitles def refine(video, episode_refiners=None, movie_refiners=None, **kwargs): """Refine a video using :ref:`refiners`. patch: add traceback logging .. note:: Exceptions raised in refiners are silently passed and logged. :param video: the video to refine. :type video: :class:`~subliminal.video.Video` :param tuple episode_refiners: refiners to use for episodes. :param tuple movie_refiners: refiners to use for movies. :param \*\*kwargs: additional parameters for the :func:`~subliminal.refiners.refine` functions. """ refiners = () if isinstance(video, Episode): refiners = episode_refiners or ('metadata', 'tvdb', 'omdb') elif isinstance(video, Movie): refiners = movie_refiners or ('metadata', 'omdb') for refiner in refiners: logger.info('Refining video with %s', refiner) try: refiner_manager[refiner].plugin(video, **kwargs) except: logger.error('Failed to refine video: %s', traceback.format_exc())