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bazarr/libs/subliminal_patch/score.py

125 lines
4.5 KiB

6 years ago
# coding=utf-8
5 years ago
from __future__ import absolute_import
6 years ago
import logging
from subliminal.video import Episode, Movie
from subliminal.score import get_scores
logger = logging.getLogger(__name__)
FPS_EQUALITY = (
(23.976, 23.98, 24.0),
)
def framerate_equal(source, check):
if source == check:
return True
source = float(source)
check = float(check)
if source == check:
return True
for equal_fps_tuple in FPS_EQUALITY:
if check in equal_fps_tuple and source in equal_fps_tuple:
return True
return False
def compute_score(matches, subtitle, video, hearing_impaired=None):
"""Compute the score of the `subtitle` against the `video` with `hearing_impaired` preference.
patch:
- remove upper bounds of score
- re-add matches argument and remove get_matches from here
:func:`compute_score` uses the :meth:`Subtitle.get_matches <subliminal.subtitle.Subtitle.get_matches>` method and
applies the scores (either from :data:`episode_scores` or :data:`movie_scores`) after some processing.
:param subtitle: the subtitle to compute the score of.
:type subtitle: :class:`~subliminal.subtitle.Subtitle`
:param video: the video to compute the score against.
:type video: :class:`~subliminal.video.Video`
:param bool hearing_impaired: hearing impaired preference.
:return: score of the subtitle.
:rtype: int
"""
logger.info('%r: Computing score for video %r with %r', subtitle, video, dict(hearing_impaired=hearing_impaired))
# get the scores dict
scores = get_scores(video)
# logger.debug('Using scores %r', scores)
is_episode = isinstance(video, Episode)
is_movie = isinstance(video, Movie)
episode_hash_valid_if = {"series", "season", "episode", "format"}
movie_hash_valid_if = {"video_codec", "format"}
# on hash match, discard everything else
if subtitle.hash_verifiable:
if 'hash' in matches:
# hash is error-prone, try to fix that
hash_valid_if = episode_hash_valid_if if is_episode else movie_hash_valid_if
# don't validate hashes of specials, as season and episode tend to be wrong
if is_movie or not video.is_special:
if hash_valid_if <= set(matches):
# series, season and episode matched, hash is valid
logger.debug('%r: Using valid hash, as %s are correct (%r) and (%r)', subtitle, hash_valid_if, matches,
video)
matches &= {'hash'}
else:
# no match, invalidate hash
logger.debug('%r: Ignoring hash as other matches are wrong (missing: %r) and (%r)', subtitle,
hash_valid_if - matches, video)
matches -= {"hash"}
elif 'hash' in matches:
logger.debug('%r: Hash not verifiable for this provider. Keeping it', subtitle)
matches &= {'hash'}
# handle equivalent matches
if is_episode:
if 'title' in matches:
logger.debug('Adding title match equivalent')
matches.add('episode')
if 'series_imdb_id' in matches:
logger.debug('Adding series_imdb_id match equivalent')
matches |= {'series', 'year'}
if 'imdb_id' in matches:
logger.debug('Adding imdb_id match equivalents')
matches |= {'series', 'year', 'season', 'episode'}
if 'tvdb_id' in matches:
logger.debug('Adding tvdb_id match equivalents')
matches |= {'series', 'year', 'season', 'episode', 'title'}
if 'series_tvdb_id' in matches:
logger.debug('Adding series_tvdb_id match equivalents')
matches |= {'series', 'year'}
# specials
if video.is_special and 'title' in matches and 'series' in matches \
and 'year' in matches:
logger.debug('Adding special title match equivalent')
matches |= {'season', 'episode'}
elif is_movie:
if 'imdb_id' in matches:
logger.debug('Adding imdb_id match equivalents')
matches |= {'title', 'year'}
# handle hearing impaired
if hearing_impaired is not None and subtitle.hearing_impaired == hearing_impaired:
logger.debug('Matched hearing_impaired')
matches.add('hearing_impaired')
# compute the score
score = sum((scores.get(match, 0) for match in matches))
logger.info('%r: Computed score %r with final matches %r', subtitle, score, matches)
return score