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bazarr/custom_libs/subliminal_patch/providers/subf2m.py
2024-09-02 05:19:52 -04:00

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# -*- coding: utf-8 -*-
from difflib import SequenceMatcher
import functools
import logging
import re
import time
import urllib.parse
from bs4 import BeautifulSoup as bso
from guessit import guessit
from requests import Session
from subliminal.exceptions import ConfigurationError
from subliminal_patch.core import Episode
from subliminal_patch.core import Movie
from subliminal_patch.exceptions import APIThrottled
from subliminal_patch.providers import Provider
from subliminal_patch.providers.utils import get_archive_from_bytes
from subliminal_patch.providers.utils import get_subtitle_from_archive
from subliminal_patch.providers.utils import update_matches
from subliminal_patch.subtitle import Subtitle
from subzero.language import Language
logger = logging.getLogger(__name__)
class Subf2mSubtitle(Subtitle):
provider_name = "subf2m"
hash_verifiable = False
def __init__(self, language, page_link, release_info, episode_number=None):
super().__init__(language, page_link=page_link)
self.release_info = release_info
self.episode_number = episode_number
self.episode_title = None
self._matches = set(
("title", "year", "imdb_id")
if episode_number is None
else ("title", "series", "year", "season", "episode", "imdb_id")
)
def get_matches(self, video):
update_matches(self._matches, video, self.release_info)
return self._matches
@property
def id(self):
return self.page_link
_BASE_URL = "https://subf2m.co"
# TODO: add more seasons and languages
_SEASONS = (
"First",
"Second",
"Third",
"Fourth",
"Fifth",
"Sixth",
"Seventh",
"Eighth",
"Ninth",
"Tenth",
"Eleventh",
"Twelfth",
"Thirdteenth",
"Fourthteenth",
"Fifteenth",
"Sixteenth",
"Seventeenth",
"Eightheenth",
"Nineteenth",
"Tweentieth",
)
_LANGUAGE_MAP = {
"english": "eng",
"farsi_persian": "per",
"arabic": "ara",
"spanish": "spa",
"portuguese": "por",
"italian": "ita",
"dutch": "dut",
"hebrew": "heb",
"indonesian": "ind",
"danish": "dan",
"norwegian": "nor",
"bengali": "ben",
"bulgarian": "bul",
"croatian": "hrv",
"swedish": "swe",
"vietnamese": "vie",
"czech": "cze",
"finnish": "fin",
"french": "fre",
"german": "ger",
"greek": "gre",
"hungarian": "hun",
"icelandic": "ice",
"japanese": "jpn",
"macedonian": "mac",
"malay": "may",
"polish": "pol",
"romanian": "rum",
"russian": "rus",
"serbian": "srp",
"thai": "tha",
"turkish": "tur",
}
_DEFAULT_HEADERS = {
"authority": "subf2m.co",
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
"accept-language": "en-US,en;q=0.9",
"referer": "https://subf2m.co",
"sec-ch-ua": '"Chromium";v="111", "Not(A:Brand";v="8"',
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": '"Unknown"',
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "same-origin",
"sec-fetch-user": "?1",
"upgrade-insecure-requests": "1",
}
class Subf2mProvider(Provider):
provider_name = "subf2m"
_movie_title_regex = re.compile(r"^(.+?)(\s+\((\d{4})\))?$")
_tv_show_title_regex = re.compile(
r"^(.+?)\s+[-\(]\s?(.*?)\s+(season|series)\)?(\s+\((\d{4})\))?$"
)
_tv_show_title_alt_regex = re.compile(r"(.+)\s(\d{1,2})(?:\s|$)")
_supported_languages = {}
_supported_languages["brazillian-portuguese"] = Language("por", "BR")
for key, val in _LANGUAGE_MAP.items():
_supported_languages[key] = Language.fromalpha3b(val)
_supported_languages_reversed = {
val: key for key, val in _supported_languages.items()
}
languages = set(_supported_languages.values())
video_types = (Episode, Movie)
subtitle_class = Subf2mSubtitle
def __init__(self, user_agent, verify_ssl=True, session_factory=None):
super().__init__()
if not (user_agent or "").strip():
raise ConfigurationError("User-agent config missing")
self._user_agent = user_agent
self._verify_ssl = verify_ssl
self._session_factory = session_factory
def initialize(self):
if self._session_factory is not None:
self._session = self._session_factory()
else:
logger.debug("No session factory set. Using default requests.Session.")
self._session = Session()
self._session.verify = self._verify_ssl
self._session.headers.update(_DEFAULT_HEADERS)
self._session.headers.update({"user-agent": self._user_agent})
def terminate(self):
self._session.close()
def _safe_get_text(self, url, retry=3, default_return=""):
req = None
for n in range(retry):
req = self._session.get(url, stream=True)
if req.status_code == 403:
logger.debug("Access to this resource is forbidden: %s", url)
break
# Sometimes subf2m will return 404 or 503. This error usually disappears
# retrying the query
if req.status_code in (404, 503):
logger.debug("503/404 returned. Trying again [%d] in 3 seconds", n + 1)
time.sleep(3)
continue
else:
req.raise_for_status()
break
if req is not None:
return "\n".join(
line for line in req.iter_lines(decode_unicode=True) if line
)
return default_return
def _gen_results(self, query):
query = urllib.parse.quote(query)
url = f"{_BASE_URL}/subtitles/searchbytitle?query={query}&l="
text = self._safe_get_text(url)
soup = bso(text, "html.parser")
for title in soup.select("li div[class='title'] a"):
yield title
def _search_movie(self, title, year, return_len=3):
title = title.lower()
year = str(year)
results = []
for result in self._gen_results(title):
text = result.text.strip().lower()
match = self._movie_title_regex.match(text)
if not match:
continue
match_title = match.group(1)
match_year = match.group(3)
if year == match_year:
results.append(
{
"href": result.get("href"),
"similarity": SequenceMatcher(None, title, match_title).ratio(),
}
)
if results:
results.sort(key=lambda x: x["similarity"], reverse=True)
results = [result["href"] for result in results]
if results:
results = set(results[:return_len])
logger.debug("Results: %s", results)
return results
return []
def _search_tv_show_season(self, title, season, year=None, return_len=3):
try:
season_strs = (_SEASONS[season - 1].lower(), str(season))
except IndexError:
logger.debug("Season number not supported: %s", season)
return None
results = []
for result in self._gen_results(title):
text = result.text.strip().lower()
match = self._tv_show_title_regex.match(text)
if not match:
match = self._tv_show_title_alt_regex.match(text)
if not match:
logger.debug("Series title not matched: %s", text)
continue
match_title = match.group(1).strip()
match_season = match.group(2).strip().lower()
if match_season in season_strs or "complete" in match_season:
logger.debug("OK: '%s' IN %s|complete", match_season, season_strs)
plus = 0.1 if year and str(year) in text else 0
results.append(
{
"href": result.get("href"),
"similarity": SequenceMatcher(None, title, match_title).ratio()
+ plus,
}
)
else:
logger.debug("Invalid: '%s' IN %s|complete", match_season, season_strs)
if results:
results.sort(key=lambda x: x["similarity"], reverse=True)
results = [result["href"] for result in results]
if results:
results = set(results[:return_len])
logger.debug("Results: %s", results)
return results
return []
def _find_movie_subtitles(self, path, language, imdb_id):
soup = self._get_subtitle_page_soup(path, language)
imdb_matched = _match_imdb(soup, imdb_id)
if not imdb_matched:
return []
subtitles = []
for item in soup.select("li.item"):
subtitle = _get_subtitle_from_item(item, language)
if subtitle is None:
continue
logger.debug("Found subtitle: %s", subtitle)
subtitles.append(subtitle)
return subtitles
def _find_episode_subtitles(
self, path, season, episode, language, episode_title=None, imdb_id=None
):
soup = self._get_subtitle_page_soup(path, language)
imdb_matched = _match_imdb(soup, imdb_id)
if not imdb_matched:
return []
subtitles = []
for item in soup.select("li.item"):
valid_item = None
clean_text = " ".join(item.text.split())
if not clean_text:
continue
# First try with the special episode matches for subf2m
guess = _get_episode_from_release(clean_text)
if guess is None:
guess = _memoized_episode_guess(clean_text)
if "season" not in guess:
if "complete series" in clean_text.lower():
logger.debug("Complete series pack found: %s", clean_text)
guess["season"] = [season]
else:
logger.debug("Nothing guessed from release: %s", clean_text)
continue
if season in guess["season"] and episode in guess.get("episode", []):
logger.debug("Episode match found: %s - %s", guess, clean_text)
valid_item = item
elif season in guess["season"] and not "episode" in guess:
logger.debug("Season pack found: %s", clean_text)
valid_item = item
if valid_item is None:
continue
subtitle = _get_subtitle_from_item(item, language, episode)
if subtitle is None:
continue
subtitle.episode_title = episode_title
logger.debug("Found subtitle: %s", subtitle)
subtitles.append(subtitle)
return subtitles
def _get_subtitle_page_soup(self, path, language):
language_path = self._supported_languages_reversed[language]
text = self._safe_get_text(f"{_BASE_URL}{path}/{language_path}")
return bso(text, "html.parser")
def list_subtitles(self, video, languages):
is_episode = isinstance(video, Episode)
if is_episode:
paths = self._search_tv_show_season(video.series, video.season, video.year)
else:
paths = self._search_movie(video.title, video.year)
if not paths:
logger.debug("No results")
return []
languages = set([lang for lang in languages if lang in self.languages])
subs = []
for path in paths:
must_break = False
logger.debug("Looking for subs from %s", path)
for language in languages:
if is_episode:
subs.extend(
self._find_episode_subtitles(
path,
video.season,
video.episode,
language,
video.title,
video.series_imdb_id,
)
)
else:
subs.extend(
self._find_movie_subtitles(path, language, video.imdb_id)
)
must_break = subs != []
if must_break:
logger.debug("Good path found: %s. Not running over others.", path)
break
return subs
def download_subtitle(self, subtitle):
# TODO: add MustGetBlacklisted support
text = self._safe_get_text(subtitle.page_link)
soup = bso(text, "html.parser")
try:
download_url = _BASE_URL + str(
soup.select_one("a[id='downloadButton']")["href"] # type: ignore
)
except (AttributeError, KeyError, TypeError):
raise APIThrottled(f"Couldn't get download url from {subtitle.page_link}")
downloaded = self._session.get(download_url, allow_redirects=True)
archive = get_archive_from_bytes(downloaded.content)
if archive is None:
raise APIThrottled(f"Invalid archive: {subtitle.page_link}")
subtitle.content = get_subtitle_from_archive(
archive,
episode=subtitle.episode_number,
episode_title=subtitle.episode_title,
)
@functools.lru_cache(2048)
def _memoized_episode_guess(content):
# Use include to save time from unnecessary checks
return guessit(
content,
{
"type": "episode",
# Add codec keys to avoid matching x264, 5.1, etc as episode info
"includes": ["season", "episode", "video_codec", "audio_codec"],
"enforce_list": True,
},
)
_EPISODE_SPECIAL_RE = re.compile(
r"(season|s)\s*?(?P<x>\d{,2})\s?[-]\s?(?P<y>\d{,2})", flags=re.IGNORECASE
)
def _match_imdb(soup, imdb_id):
try:
parsed_imdb_id = (
soup.select_one(
"#content > div.subtitles.byFilm > div.box.clearfix > div.top.left > div.header > h2 > a"
)
.get("href") # type: ignore
.split("/")[-1] # type: ignore
.strip()
)
except AttributeError:
logger.debug("Couldn't get IMDB ID")
parsed_imdb_id = None
if parsed_imdb_id is not None and parsed_imdb_id != imdb_id:
logger.debug("Wrong IMDB ID: '%s' != '%s'", parsed_imdb_id, imdb_id)
return False
if parsed_imdb_id is None:
logger.debug("Matching subtitles as IMDB ID was not parsed.")
else:
logger.debug("Good IMDB ID: '%s' == '%s'", parsed_imdb_id, imdb_id)
return True
def _get_episode_from_release(release: str):
match = _EPISODE_SPECIAL_RE.search(release)
if match is None:
return None
try:
season, episode = [int(item) for item in match.group("x", "y")]
except (IndexError, ValueError):
return None
return {"season": [season], "episode": [episode]}
def _get_subtitle_from_item(item, language, episode_number=None):
release_info = [
rel.text.strip() for rel in item.find("ul", {"class": "scrolllist"})
]
try:
text = item.find("div", {"class": "comment-col"}).find("p").text
release_info.append(text.replace("\n", " ").strip())
except AttributeError:
pass
release_info = "\n".join([item for item in release_info if item])
try:
path = item.find("a", {"class": "download icon-download"})["href"] # type: ignore
except (AttributeError, KeyError):
logger.debug("Couldn't get path: %s", item)
return None
return Subf2mSubtitle(language, _BASE_URL + path, release_info, episode_number)