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# -*- coding: utf-8 -*-
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from difflib import SequenceMatcher
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import functools
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import logging
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import re
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import time
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import urllib.parse
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from guessit import guessit
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from requests import Session
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from bs4 import BeautifulSoup as bso
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from guessit import guessit
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from requests import Session
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from subliminal_patch.core import Episode
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from subliminal_patch.core import Movie
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from subliminal_patch.exceptions import APIThrottled
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from subliminal_patch.providers import Provider
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from subliminal_patch.providers.utils import get_archive_from_bytes
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from subliminal_patch.providers.utils import get_subtitle_from_archive
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from subliminal_patch.providers.utils import update_matches
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from subliminal_patch.subtitle import Subtitle
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from subzero.language import Language
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logger = logging.getLogger(__name__)
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class Subf2mSubtitle(Subtitle):
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provider_name = "subf2m"
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hash_verifiable = False
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def __init__(self, language, page_link, release_info, episode_number=None):
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super().__init__(language, page_link=page_link)
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self.release_info = release_info
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self.episode_number = episode_number
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self.episode_title = None
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self._matches = set(
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("title", "year")
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if episode_number is None
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else ("title", "series", "year", "season", "episode")
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)
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def get_matches(self, video):
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update_matches(self._matches, video, self.release_info)
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return self._matches
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@property
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def id(self):
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return self.page_link
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_BASE_URL = "https://subf2m.co"
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# TODO: add more seasons and languages
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_SEASONS = (
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"First",
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"Second",
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"Third",
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"Fourth",
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"Fifth",
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"Sixth",
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"Seventh",
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"Eighth",
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"Ninth",
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"Tenth",
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"Eleventh",
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"Twelfth",
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"Thirdteenth",
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"Fourthteenth",
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"Fifteenth",
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"Sixteenth",
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"Seventeenth",
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"Eightheenth",
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"Nineteenth",
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"Tweentieth",
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)
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_LANGUAGE_MAP = {
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"english": "eng",
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"farsi_persian": "per",
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"arabic": "ara",
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"spanish": "spa",
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"portuguese": "por",
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"italian": "ita",
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"dutch": "dut",
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"hebrew": "heb",
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"indonesian": "ind",
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"danish": "dan",
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"norwegian": "nor",
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"bengali": "ben",
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"bulgarian": "bul",
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"croatian": "hrv",
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"swedish": "swe",
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"vietnamese": "vie",
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"czech": "cze",
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"finnish": "fin",
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"french": "fre",
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"german": "ger",
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"greek": "gre",
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"hungarian": "hun",
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"icelandic": "ice",
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"japanese": "jpn",
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"macedonian": "mac",
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"malay": "may",
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"polish": "pol",
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"romanian": "rum",
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"russian": "rus",
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"serbian": "srp",
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"thai": "tha",
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"turkish": "tur",
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}
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class Subf2mProvider(Provider):
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provider_name = "subf2m"
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_movie_title_regex = re.compile(r"^(.+?)( \((\d{4})\))?$")
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_tv_show_title_regex = re.compile(
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r"^(.+?) [-\(]\s?(.*?) (season|series)\)?( \((\d{4})\))?$"
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)
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_supported_languages = {}
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_supported_languages["brazillian-portuguese"] = Language("por", "BR")
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for key, val in _LANGUAGE_MAP.items():
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_supported_languages[key] = Language.fromalpha3b(val)
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_supported_languages_reversed = {
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val: key for key, val in _supported_languages.items()
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}
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languages = set(_supported_languages.values())
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video_types = (Episode, Movie)
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subtitle_class = Subf2mSubtitle
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def __init__(self, verify_ssl=True):
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super().__init__()
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self._verify_ssl = verify_ssl
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def initialize(self):
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self._session = Session()
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self._session.verify = self._verify_ssl
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self._session.headers.update({"user-agent": "Bazarr"})
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def terminate(self):
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self._session.close()
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def _safe_get_text(self, url, retry=3, default_return=""):
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req = None
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for n in range(retry):
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req = self._session.get(url, stream=True)
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if req.status_code == 403:
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logger.debug("Access to this resource is forbidden: %s", url)
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break
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# Sometimes subf2m will return a 503 code. This error usually disappears
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# retrying the query
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if req.status_code == 503:
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logger.debug("503 returned. Trying again [%d] in 3 seconds", n + 1)
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time.sleep(3)
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continue
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else:
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req.raise_for_status()
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break
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if req is not None:
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return "\n".join(
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line for line in req.iter_lines(decode_unicode=True) if line
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)
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return default_return
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def _gen_results(self, query):
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query = urllib.parse.quote(query)
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url = f"{_BASE_URL}/subtitles/searchbytitle?query={query}&l="
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text = self._safe_get_text(url)
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soup = bso(text, "html.parser")
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for title in soup.select("li div[class='title'] a"):
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yield title
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def _search_movie(self, title, year):
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title = title.lower()
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year = str(year)
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found_movie = None
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results = []
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for result in self._gen_results(title):
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text = result.text.lower()
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match = self._movie_title_regex.match(text)
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if not match:
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continue
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match_title = match.group(1)
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match_year = match.group(3)
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if year == match_year:
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results.append(
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{
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"href": result.get("href"),
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"similarity": SequenceMatcher(None, title, match_title).ratio(),
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}
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)
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if results:
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results.sort(key=lambda x: x["similarity"], reverse=True)
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found_movie = results[0]["href"]
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logger.debug("Movie found: %s", results[0])
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return found_movie
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def _search_tv_show_season(self, title, season, year=None):
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try:
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season_str = _SEASONS[season - 1].lower()
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except IndexError:
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logger.debug("Season number not supported: %s", season)
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return None
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found_tv_show_season = None
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results = []
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for result in self._gen_results(title):
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text = result.text.lower()
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match = self._tv_show_title_regex.match(text)
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if not match:
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logger.debug("Series title not matched: %s", text)
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continue
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else:
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logger.debug("Series title matched: %s", text)
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match_title = match.group(1)
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match_season = match.group(2)
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# Match "complete series" titles as they usually contain season packs
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if season_str == match_season or "complete" in match_season:
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plus = 0.1 if year and str(year) in text else 0
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results.append(
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{
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"href": result.get("href"),
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"similarity": SequenceMatcher(None, title, match_title).ratio()
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+ plus,
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}
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)
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if results:
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results.sort(key=lambda x: x["similarity"], reverse=True)
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found_tv_show_season = results[0]["href"]
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logger.debug("TV Show season found: %s", results[0])
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return found_tv_show_season
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def _find_movie_subtitles(self, path, language):
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soup = self._get_subtitle_page_soup(path, language)
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subtitles = []
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for item in soup.select("li.item"):
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subtitle = _get_subtitle_from_item(item, language)
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if subtitle is None:
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continue
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logger.debug("Found subtitle: %s", subtitle)
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subtitles.append(subtitle)
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return subtitles
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def _find_episode_subtitles(
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self, path, season, episode, language, episode_title=None
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):
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soup = self._get_subtitle_page_soup(path, language)
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subtitles = []
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for item in soup.select("li.item"):
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valid_item = None
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clean_text = " ".join(item.text.split())
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if not clean_text:
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continue
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# First try with the special episode matches for subf2m
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guess = _get_episode_from_release(clean_text)
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if guess is None:
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guess = _memoized_episode_guess(clean_text)
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if "season" not in guess:
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if "complete series" in clean_text.lower():
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logger.debug("Complete series pack found: %s", clean_text)
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guess["season"] = [season]
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else:
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logger.debug("Nothing guessed from release: %s", clean_text)
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continue
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if season in guess["season"] and episode in guess.get("episode", []):
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logger.debug("Episode match found: %s - %s", guess, clean_text)
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valid_item = item
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elif season in guess["season"] and not "episode" in guess:
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logger.debug("Season pack found: %s", clean_text)
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valid_item = item
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if valid_item is None:
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continue
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subtitle = _get_subtitle_from_item(item, language, episode)
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if subtitle is None:
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continue
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subtitle.episode_title = episode_title
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logger.debug("Found subtitle: %s", subtitle)
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subtitles.append(subtitle)
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return subtitles
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def _get_subtitle_page_soup(self, path, language):
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language_path = self._supported_languages_reversed[language]
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text = self._safe_get_text(f"{_BASE_URL}{path}/{language_path}")
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return bso(text, "html.parser")
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def list_subtitles(self, video, languages):
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is_episode = isinstance(video, Episode)
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if is_episode:
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result = self._search_tv_show_season(video.series, video.season, video.year)
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else:
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result = self._search_movie(video.title, video.year)
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if result is None:
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logger.debug("No results")
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return []
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subtitles = []
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for language in languages:
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if is_episode:
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subtitles.extend(
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self._find_episode_subtitles(
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result, video.season, video.episode, language, video.title
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)
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)
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else:
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subtitles.extend(self._find_movie_subtitles(result, language))
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return subtitles
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def download_subtitle(self, subtitle):
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# TODO: add MustGetBlacklisted support
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text = self._safe_get_text(subtitle.page_link)
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soup = bso(text, "html.parser")
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try:
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download_url = _BASE_URL + str(
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soup.select_one("a[id='downloadButton']")["href"] # type: ignore
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)
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except (AttributeError, KeyError, TypeError):
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raise APIThrottled(f"Couldn't get download url from {subtitle.page_link}")
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downloaded = self._session.get(download_url, allow_redirects=True)
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archive = get_archive_from_bytes(downloaded.content)
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if archive is None:
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raise APIThrottled(f"Invalid archive: {subtitle.page_link}")
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subtitle.content = get_subtitle_from_archive(
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archive,
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episode=subtitle.episode_number,
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episode_title=subtitle.episode_title,
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)
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@functools.lru_cache(2048)
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def _memoized_episode_guess(content):
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# Use include to save time from unnecessary checks
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return guessit(
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content,
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{
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"type": "episode",
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# Add codec keys to avoid matching x264, 5.1, etc as episode info
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"includes": ["season", "episode", "video_codec", "audio_codec"],
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"enforce_list": True,
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},
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)
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_EPISODE_SPECIAL_RE = re.compile(
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r"(season|s)\s*?(?P<x>\d{,2})\s?[-−]\s?(?P<y>\d{,2})", flags=re.IGNORECASE
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)
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def _get_episode_from_release(release: str):
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match = _EPISODE_SPECIAL_RE.search(release)
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if match is None:
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return None
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try:
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season, episode = [int(item) for item in match.group("x", "y")]
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except (IndexError, ValueError):
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return None
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return {"season": [season], "episode": [episode]}
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def _get_subtitle_from_item(item, language, episode_number=None):
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release_info = [
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rel.text.strip() for rel in item.find("ul", {"class": "scrolllist"})
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]
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try:
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text = item.find("div", {"class": "comment-col"}).find("p").text
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release_info.append(text.replace("\n", " ").strip())
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except AttributeError:
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pass
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release_info = "\n".join([item for item in release_info if item])
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try:
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path = item.find("a", {"class": "download icon-download"})["href"] # type: ignore
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except (AttributeError, KeyError):
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logger.debug("Couldn't get path: %s", item)
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return None
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return Subf2mSubtitle(language, _BASE_URL + path, release_info, episode_number)
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