bazarr/libs/subliminal_patch/providers/assrt.py

229 lines
7.9 KiB
Python

# -*- coding: utf-8 -*-
import logging
import os
import re
from babelfish import language_converters
from guessit import guessit
from requests import Session
from requests.exceptions import JSONDecodeError
from time import sleep
from math import ceil
from subliminal import Movie, Episode
from subliminal.exceptions import AuthenticationError, ConfigurationError, DownloadLimitExceeded, ProviderError
from subliminal_patch.subtitle import Subtitle, guess_matches
from subliminal.subtitle import fix_line_ending
from subliminal_patch.providers import Provider
from subzero.language import Language
logger = logging.getLogger(__name__)
language_converters.register('assrt = subliminal_patch.converters.assrt:AssrtConverter')
server_url = 'https://api.assrt.net/v1'
supported_languages = list(language_converters['assrt'].to_assrt.keys())
def get_request_delay(max_request_per_minute):
return ceil(60 / max_request_per_minute)
def language_contains(subset, superset):
if subset.alpha3 != superset.alpha3:
return False
if superset.country is not None and subset.country != superset.country:
return False
if superset.script is not None and subset.script != superset.script:
return False
return True
def search_language_in_list(lang, langlist):
for language in langlist:
if language_contains(lang, language):
return language
return None
def check_status_code(resp):
try:
response = resp.json()
if 'status' in response and 'errmsg' in response:
raise ProviderError(f'{response["errmsg"]} ({response["status"]})')
except JSONDecodeError:
pass
class AssrtSubtitle(Subtitle):
"""Assrt Sbutitle."""
provider_name = 'assrt'
guessit_options = {
'allowed_languages': [lang[0] for lang in supported_languages],
# 'allowed_countries': [ l[1] for l in supported_languages if len(l) > 1 ],
'enforce_list': True
}
def __init__(self, language, subtitle_id, video_name, session, token, max_request_per_minute):
super(AssrtSubtitle, self).__init__(language)
self.session = session
self.token = token
self.max_request_per_minute = max_request_per_minute
self.subtitle_id = subtitle_id
self.video_name = video_name
self.release_info = video_name
self.url = None
self._detail = None
def _get_detail(self):
if self._detail:
return self._detail
params = {'token': self.token, 'id': self.id}
logger.info('Get subtitle detail: GET /sub/detail %r', params)
sleep(get_request_delay(self.max_request_per_minute))
r = self.session.get(server_url + '/sub/detail', params=params, timeout=15)
check_status_code(r)
r.raise_for_status()
result = r.json()
if not len(result['sub']['subs']):
logger.error('Can\'t get subtitle details')
return False
sub = result['sub']['subs'][0]
if not len(sub['filelist']):
logger.error('Can\'t get filelist from subtitle details')
return False
files = sub['filelist']
# first pass: guessit
for f in files:
guess = guessit(f['f'], self.guessit_options)
langs = set()
if 'language' in guess:
langs.update(guess['language'])
if 'subtitle_language' in guess:
langs.update(guess['subtitle_language'])
if self.language in langs:
self._defail = f
return f
# second pass: keyword matching
codes = language_converters['assrt'].codes
for f in files:
langs = set([Language.fromassrt(k) for k in codes if k in f['f']])
if self.language in langs:
self._defail = f
return f
# fallback: pick up first file if nothing matches
return files[0]
@property
def id(self):
return self.subtitle_id
@property
def download_link(self):
detail = self._get_detail()
return detail['url']
def get_matches(self, video):
matches = guess_matches(video, guessit(self.video_name))
return matches
class AssrtProvider(Provider):
"""Assrt Provider."""
languages = {Language(*lang) for lang in supported_languages}
video_types = (Episode, Movie)
def __init__(self, token=None):
if not token:
raise ConfigurationError('Token must be specified')
self.token = token
self.session = Session()
self.default_max_request_per_minute = 20
self.max_request_per_minute = None
def initialize(self):
self.session.headers = {'User-Agent': os.environ.get("SZ_USER_AGENT", "Sub-Zero/2")}
res = self.session.get(server_url + '/user/quota', params={'token': self.token}, timeout=15)
check_status_code(res)
res.raise_for_status()
result = res.json()
if 'user' in result and 'quota' in result['user']:
self.max_request_per_minute = result['user']['quota']
if not self.max_request_per_minute:
raise ProviderError(f'Cannot get user request quota per minute from provider: {result}')
try:
int(self.max_request_per_minute)
except ValueError:
raise ProviderError(f'User request quota is not a valid integer: {self.max_request_per_minute}')
else:
if self.max_request_per_minute <= 0:
raise ProviderError(f'User request quota is not a positive integer: {self.max_request_per_minute}')
def terminate(self):
self.session.close()
def query(self, languages, video):
# query the server
keywords = []
if isinstance(video, Movie):
if video.title:
# title = "".join(e for e in video.title if e.isalnum())
title = video.title
keywords.append(title)
if video.year:
keywords.append(str(video.year))
elif isinstance(video, Episode):
if video.series:
# series = "".join(e for e in video.series if e.isalnum())
series = video.series
keywords.append(series)
if video.season and video.episode:
keywords.append('S%02dE%02d' % (video.season, video.episode))
elif video.episode:
keywords.append('E%02d' % video.episode)
query = ' '.join(keywords)
params = {'token': self.token, 'q': query, 'is_file': 1}
logger.debug('Searching subtitles: GET /sub/search %r', params)
sleep(get_request_delay(self.max_request_per_minute))
res = self.session.get(server_url + '/sub/search', params=params, timeout=15)
check_status_code(res)
res.raise_for_status()
result = res.json()
# parse the subtitles
pattern = re.compile(r'lang(?P<code>\w+)')
subtitles = []
for sub in result['sub']['subs']:
if 'lang' not in sub:
continue
for key in sub['lang']['langlist'].keys():
match = pattern.match(key)
try:
language = Language.fromassrt(match.group('code'))
output_language = search_language_in_list(language, languages)
if output_language:
subtitles.append(AssrtSubtitle(output_language, sub['id'], sub['videoname'], self.session,
self.token, self.max_request_per_minute))
except:
pass
return subtitles
def list_subtitles(self, video, languages):
return self.query(languages, video)
def download_subtitle(self, subtitle):
sleep(get_request_delay(self.max_request_per_minute))
r = self.session.get(subtitle.download_link, timeout=15)
check_status_code(r)
r.raise_for_status()
subtitle.content = fix_line_ending(r.content)