Added subdl provider initial implementation

2 files changed, 368 insertions, 0 deletions

diff --git a/custom_libs/subliminal_patch/converters/subdl.py b/custom_libs/subliminal_patch/converters/subdl.py
new file mode 100644
index 000000000..5381fc475
--- /dev/null
+++ b/custom_libs/subliminal_patch/converters/subdl.py
@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import
+from babelfish import LanguageReverseConverter
+from subliminal.exceptions import ConfigurationError
+
+
+class SubdlConverter(LanguageReverseConverter):
+    def __init__(self):
+        self.from_subdl = {
+            "AR": ("ara", None, None),  # Arabic
+            "DA": ("dan", None, None),  # Danish
+            "NL": ("nld", None, None),  # Dutch
+            "EN": ("eng", None, None),  # English
+            "FA": ("fas", None, None),  # Farsi_Persian
+            "FI": ("fin", None, None),  # Finnish
+            "FR": ("fra", None, None),  # French
+            "ID": ("ind", None, None),  # Indonesian
+            "IT": ("ita", None, None),  # Italian
+            "NO": ("nor", None, None),  # Norwegian
+            "RO": ("ron", None, None),  # Romanian
+            "ES": ("spa", None, None),  # Spanish
+            "SV": ("swe", None, None),  # Swedish
+            "VI": ("vie", None, None),  # Vietnamese
+            "SQ": ("sqi", None, None),  # Albanian
+            "AZ": ("aze", None, None),  # Azerbaijani
+            "BE": ("bel", None, None),  # Belarusian
+            "BN": ("ben", None, None),  # Bengali
+            "BS": ("bos", None, None),  # Bosnian
+            "BG": ("bul", None, None),  # Bulgarian
+            "MY": ("mya", None, None),  # Burmese
+            "CA": ("cat", None, None),  # Catalan
+            "ZH": ("zho", None, None),  # Chinese BG code
+            "HR": ("hrv", None, None),  # Croatian
+            "CS": ("ces", None, None),  # Czech
+            "EO": ("epo", None, None),  # Esperanto
+            "ET": ("est", None, None),  # Estonian
+            "KA": ("kat", None, None),  # Georgian
+            "DE": ("deu", None, None),  # German
+            "EL": ("ell", None, None),  # Greek
+            "KL": ("kal", None, None),  # Greenlandic
+            "HE": ("heb", None, None),  # Hebrew
+            "HI": ("hin", None, None),  # Hindi
+            "HU": ("hun", None, None),  # Hungarian
+            "IS": ("isl", None, None),  # Icelandic
+            "JA": ("jpn", None, None),  # Japanese
+            "KO": ("kor", None, None),  # Korean
+            "KU": ("kur", None, None),  # Kurdish
+            "LV": ("lav", None, None),  # Latvian
+            "LT": ("lit", None, None),  # Lithuanian
+            "MK": ("mkd", None, None),  # Macedonian
+            "MS": ("msa", None, None),  # Malay
+            "ML": ("mal", None, None),  # Malayalam
+            "PL": ("pol", None, None),  # Polish
+            "PT": ("por", None, None),  # Portuguese
+            "RU": ("rus", None, None),  # Russian
+            "SR": ("srp", None, None),  # Serbian
+            "SI": ("sin", None, None),  # Sinhala
+            "SK": ("slk", None, None),  # Slovak
+            "SL": ("slv", None, None),  # Slovenian
+            "TL": ("tgl", None, None),  # Tagalog
+            "TA": ("tam", None, None),  # Tamil
+            "TE": ("tel", None, None),  # Telugu
+            "TH": ("tha", None, None),  # Thai
+            "TR": ("tur", None, None),  # Turkish
+            "UK": ("ukr", None, None),  # Ukrainian
+            "UR": ("urd", None, None),  # Urdu
+            # custom languages
+            "BR_PT": ("por", "BR", None),  # Brazilian Portuguese
+            "ZH_BG": ("zho", None, "Hant"),  # Big 5 code
+            # unsupported language in Bazarr
+            # "BG_EN": "Bulgarian_English",
+            # "NL_EN": "Dutch_English",
+            # "EN_DE": "English_German",
+            # "HU_EN": "Hungarian_English",
+            # "MNI": "Manipuri",
+        }
+        self.to_subdl = {v: k for k, v in self.from_subdl.items()}
+        self.codes = set(self.from_subdl.keys())
+
+    def convert(self, alpha3, country=None, script=None):
+        if (alpha3, country, script) in self.to_subdl:
+            return self.to_subdl[(alpha3, country, script)]
+
+        raise ConfigurationError('Unsupported language for subdl: %s, %s, %s' % (alpha3, country, script))
+
+    def reverse(self, subdl):
+        if subdl in self.from_subdl:
+            return self.from_subdl[subdl]
+
+        raise ConfigurationError('Unsupported language code for subdl: %s' % subdl)
diff --git a/custom_libs/subliminal_patch/providers/subdl.py b/custom_libs/subliminal_patch/providers/subdl.py
new file mode 100644
index 000000000..bf4dc79d2
--- /dev/null
+++ b/custom_libs/subliminal_patch/providers/subdl.py
@@ -0,0 +1,278 @@
+# -*- coding: utf-8 -*-
+import logging
+import os
+import time
+import io
+
+from zipfile import ZipFile, is_zipfile
+from urllib.parse import urljoin
+from requests import Session
+
+from babelfish import language_converters
+from subzero.language import Language
+from subliminal import Episode, Movie
+from subliminal.exceptions import ConfigurationError, ProviderError, DownloadLimitExceeded
+from subliminal_patch.exceptions import APIThrottled
+from .mixins import ProviderRetryMixin
+from subliminal_patch.subtitle import Subtitle
+from subliminal.subtitle import fix_line_ending
+from subliminal_patch.providers import Provider
+from subliminal_patch.subtitle import guess_matches
+from guessit import guessit
+
+logger = logging.getLogger(__name__)
+
+retry_amount = 3
+retry_timeout = 5
+
+language_converters.register('subdl = subliminal_patch.converters.subdl:SubdlConverter')
+
+supported_languages = list(language_converters['subdl'].to_subdl.keys())
+
+
+class SubdlSubtitle(Subtitle):
+    provider_name = 'subdl'
+    hash_verifiable = False
+    hearing_impaired_verifiable = True
+
+    def __init__(self, language, forced, hearing_impaired, page_link, download_link, file_id, release_names, uploader,
+                 season=None, episode=None):
+        super().__init__(language)
+        language = Language.rebuild(language, hi=hearing_impaired, forced=forced)
+
+        self.season = season
+        self.episode = episode
+        self.releases = release_names
+        self.release_info = ', '.join(release_names)
+        self.language = language
+        self.forced = forced
+        self.hearing_impaired = hearing_impaired
+        self.file_id = file_id
+        self.page_link = page_link
+        self.download_link = download_link
+        self.uploader = uploader
+        self.matches = None
+
+    @property
+    def id(self):
+        return self.file_id
+
+    def get_matches(self, video):
+        matches = set()
+        type_ = "movie" if isinstance(video, Movie) else "episode"
+
+        # handle movies and series separately
+        if isinstance(video, Episode):
+            # series
+            matches.add('series')
+            # season
+            if video.season == self.season:
+                matches.add('season')
+            # episode
+            if video.episode == self.episode:
+                matches.add('episode')
+            # imdb
+            matches.add('series_imdb_id')
+        else:
+            # title
+            matches.add('title')
+            # imdb
+            matches.add('imdb_id')
+
+        # other properties
+        matches |= guess_matches(video, guessit(self.release_info, {"type": type_}))
+
+        self.matches = matches
+
+        return matches
+
+
+class SubdlProvider(ProviderRetryMixin, Provider):
+    """Subdl Provider"""
+    server_hostname = 'api.subdl.com'
+
+    languages = {Language(*lang) for lang in supported_languages}
+    languages.update(set(Language.rebuild(lang, forced=True) for lang in languages))
+    languages.update(set(Language.rebuild(l, hi=True) for l in languages))
+
+    video_types = (Episode, Movie)
+
+    def __init__(self, api_key=None):
+        if not api_key:
+            raise ConfigurationError('Api_key must be specified')
+
+        self.session = Session()
+        self.session.headers = {'User-Agent': os.environ.get("SZ_USER_AGENT", "Sub-Zero/2")}
+        self.api_key = api_key
+        self.video = None
+        self._started = None
+
+    def initialize(self):
+        self._started = time.time()
+
+    def terminate(self):
+        self.session.close()
+
+    def server_url(self):
+        return f'https://{self.server_hostname}/api/v1/'
+
+    def query(self, languages, video):
+        self.video = video
+        if isinstance(self.video, Episode):
+            title = self.video.series
+        else:
+            title = self.video.title
+
+        imdb_id = None
+        if isinstance(self.video, Episode) and self.video.series_imdb_id:
+            imdb_id = self.video.series_imdb_id
+        elif isinstance(self.video, Movie) and self.video.imdb_id:
+            imdb_id = self.video.imdb_id
+
+        # be sure to remove duplicates using list(set())
+        langs_list = sorted(list(set([lang.basename.upper() for lang in languages])))
+
+        langs = ','.join(langs_list)
+        logger.debug(f'Searching for those languages: {langs}')
+
+        # query the server
+        if isinstance(self.video, Episode):
+            res = self.retry(
+                lambda: self.session.get(self.server_url() + 'subtitles',
+                                         params=(('api_key', self.api_key),
+                                                 ('episode_number', self.video.episode),
+                                                 ('film_name', title if not imdb_id else None),
+                                                 ('imdb_id', imdb_id if imdb_id else None),
+                                                 ('languages', langs),
+                                                 ('season_number', self.video.season),
+                                                 ('subs_per_page', 30),
+                                                 ('type', 'tv'),
+                                                 ('comment', 1),
+                                                 ('releases', 1)),
+                                         timeout=30),
+                amount=retry_amount,
+                retry_timeout=retry_timeout
+            )
+        else:
+            res = self.retry(
+                lambda: self.session.get(self.server_url() + 'subtitles',
+                                         params=(('api_key', self.api_key),
+                                                 ('film_name', title if not imdb_id else None),
+                                                 ('imdb_id', imdb_id if imdb_id else None),
+                                                 ('languages', langs),
+                                                 ('subs_per_page', 30),
+                                                 ('type', 'movie'),
+                                                 ('comment', 1),
+                                                 ('releases', 1)),
+                                         timeout=30),
+                amount=retry_amount,
+                retry_timeout=retry_timeout
+            )
+
+        if res.status_code == 429:
+            raise APIThrottled("Too many requests")
+        elif res.status_code == 403:
+            raise ConfigurationError("Invalid API key")
+        elif res.status_code != 200:
+            res.raise_for_status()
+
+        subtitles = []
+
+        result = res.json()
+
+        if ('success' in result and not result['success']) or ('status' in result and not result['status']):
+            raise ProviderError(result['error'])
+
+        logger.debug(f"Query returned {len(result['subtitles'])} subtitles")
+
+        if len(result['subtitles']):
+            for item in result['subtitles']:
+                if item.get('episode_from', False) == item.get('episode_end', False):  # ignore season packs
+                    subtitle = SubdlSubtitle(
+                        language=Language.fromsubdl(item['language']),
+                        forced=self._is_forced(item),
+                        hearing_impaired=item.get('hi', False) or self._is_hi(item),
+                        page_link=urljoin("https://subdl.com", item.get('subtitlePage', '')),
+                        download_link=item['url'],
+                        file_id=item['name'],
+                        release_names=item.get('releases', []),
+                        uploader=item.get('author', ''),
+                        season=item.get('season', None),
+                        episode=item.get('episode', None),
+                    )
+                    subtitle.get_matches(self.video)
+                    if subtitle.language in languages:  # make sure only desired subtitles variants are returned
+                        subtitles.append(subtitle)
+
+        return subtitles
+
+    @staticmethod
+    def _is_hi(item):
+        # Comments include specific mention of removed or non HI
+        non_hi_tag = ['hi remove', 'non hi', 'nonhi', 'non-hi', 'non-sdh', 'non sdh', 'nonsdh', 'sdh remove']
+        for tag in non_hi_tag:
+            if tag in item.get('comment', '').lower():
+                return False
+
+        # Archive filename include _HI_
+        if '_hi_' in item.get('name', '').lower():
+            return True
+
+        # Comments or release names include some specific strings
+        hi_keys = [item.get('comment', '').lower(), [x.lower() for x in item.get('releases', [])]]
+        hi_tag = ['_hi_', ' hi ', '.hi.', 'hi ', ' hi', 'sdh', '𝓢𝓓𝓗']
+        for key in hi_keys:
+            if any(x in key for x in hi_tag):
+                return True
+
+        # nothing match so we consider it as non-HI
+        return False
+
+    @staticmethod
+    def _is_forced(item):
+        # Comments include specific mention of forced subtitles
+        forced_tags = ['forced', 'foreign']
+        for tag in forced_tags:
+            if tag in item.get('comment', '').lower():
+                return True
+
+        # nothing match so we consider it as normal subtitles
+        return False
+
+    def list_subtitles(self, video, languages):
+        return self.query(languages, video)
+
+    def download_subtitle(self, subtitle):
+        logger.debug('Downloading subtitle %r', subtitle)
+        download_link = urljoin("https://dl.subdl.com", subtitle.download_link)
+
+        r = self.retry(
+            lambda: self.session.get(download_link, timeout=30),
+            amount=retry_amount,
+            retry_timeout=retry_timeout
+        )
+
+        if r.status_code == 429:
+            raise DownloadLimitExceeded("Daily download limit exceeded")
+        elif r.status_code == 403:
+            raise ConfigurationError("Invalid API key")
+        elif r.status_code != 200:
+            r.raise_for_status()
+
+        if not r:
+            logger.error(f'Could not download subtitle from {download_link}')
+            subtitle.content = None
+            return
+        else:
+            archive_stream = io.BytesIO(r.content)
+            if is_zipfile(archive_stream):
+                archive = ZipFile(archive_stream)
+                for name in archive.namelist():
+                    # TODO when possible, deal with season pack / multiple files archive
+                    subtitle_content = archive.read(name)
+                    subtitle.content = fix_line_ending(subtitle_content)
+                    return
+            else:
+                logger.error(f'Could not unzip subtitle from {download_link}')
+                subtitle.content = None
+                return