From 05915e379a2406988f752722dfaa815804fb7fb8 Mon Sep 17 00:00:00 2001 From: Parmjit Virk Date: Tue, 22 Aug 2017 11:48:59 -0500 Subject: [PATCH] [googledrive] Add support for subtitles (fixes #13619) --- youtube_dl/extractor/googledrive.py | 104 +++++++++++++++++++++++++++- 1 file changed, 103 insertions(+), 1 deletion(-) diff --git a/youtube_dl/extractor/googledrive.py b/youtube_dl/extractor/googledrive.py index c40da85c5..35edc7440 100644 --- a/youtube_dl/extractor/googledrive.py +++ b/youtube_dl/extractor/googledrive.py @@ -7,6 +7,8 @@ ExtractorError, int_or_none, lowercase_escape, + error_to_compat_str, + update_url_query, ) @@ -24,7 +26,14 @@ class GoogleDriveIE(InfoExtractor): }, { # video id is longer than 28 characters 'url': 'https://drive.google.com/file/d/1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ/edit', - 'only_matching': True, + 'md5': 'c230c67252874fddd8170e3fd1a45886', + 'info_dict': { + 'id': '1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ', + 'ext': 'mp4', + 'title': 'Andreea Banica feat Smiley - Hooky Song (Official Video).mp4', + 'duration': 189, + }, + 'only_matching': True }] _FORMATS_EXT = { '5': 'flv', @@ -44,6 +53,13 @@ class GoogleDriveIE(InfoExtractor): '46': 'webm', '59': 'mp4', } + _BASE_URL_CAPTIONS = 'https://drive.google.com/timedtext' + _CAPTIONS_ENTRY_TAG = { + 'subtitles': 'track', + 'automatic_captions': 'target', + } + _caption_formats_ext = [] + _captions_by_country_xml = None @staticmethod def _extract_url(webpage): @@ -53,6 +69,81 @@ def _extract_url(webpage): if mobj: return 'https://drive.google.com/file/d/%s' % mobj.group('id') + def _set_captions_data(self, video_id, video_subtitles_id, hl): + try: + self._captions_by_country_xml = self._download_xml(self._BASE_URL_CAPTIONS, video_id, query={ + 'id': video_id, + 'vid': video_subtitles_id, + 'hl': hl, + 'v': video_id, + 'type': 'list', + 'tlangs': '1', + 'fmts': '1', + 'vssids': '1', + }) + except ExtractorError as ee: + self.report_warning('unable to download video subtitles: %s' % error_to_compat_str(ee)) + if self._captions_by_country_xml is not None: + caption_available_extensions = self._captions_by_country_xml.findall('format') + for caption_extension in caption_available_extensions: + if caption_extension.attrib.get('fmt_code') and not caption_extension.attrib.get('default'): + self._caption_formats_ext.append(caption_extension.attrib['fmt_code']) + + def _get_captions_by_type(self, video_id, video_subtitles_id, caption_type, caption_original_lang_code=None): + if not video_subtitles_id or not caption_type: + return None + captions = {} + for caption_entry in self._captions_by_country_xml.findall(self._CAPTIONS_ENTRY_TAG[caption_type]): + caption_lang_code = caption_entry.attrib.get('lang_code') + if not caption_lang_code: + continue + caption_format_data = [] + for caption_format in self._caption_formats_ext: + query = { + 'vid': video_subtitles_id, + 'v': video_id, + 'fmt': caption_format, + 'lang': caption_lang_code if caption_original_lang_code is None else caption_original_lang_code, + 'type': 'track', + 'name': '', + 'kind': '', + } + if caption_original_lang_code is not None: + query.update({'tlang': caption_lang_code}) + caption_format_data.append({ + 'url': update_url_query(self._BASE_URL_CAPTIONS, query), + 'ext': caption_format, + }) + captions[caption_lang_code] = caption_format_data + if not captions: + self.report_warning('video doesn\'t have %s' % caption_type.replace('_', ' ')) + return captions + + def _get_subtitles(self, video_id, video_subtitles_id, hl): + if not video_subtitles_id or not hl: + return None + if self._captions_by_country_xml is None: + self._set_captions_data(video_id, video_subtitles_id, hl) + if self._captions_by_country_xml is None: + return None + return self._get_captions_by_type(video_id, video_subtitles_id, 'subtitles') + + def _get_automatic_captions(self, video_id, video_subtitles_id, hl): + if not video_subtitles_id or not hl: + return None + if self._captions_by_country_xml is None: + self._set_captions_data(video_id, video_subtitles_id, hl) + if self._captions_by_country_xml is None: + return None + self.to_screen('%s: Looking for automatic captions' % video_id) + subtitle_original_track = self._captions_by_country_xml.find('track') + if subtitle_original_track is None: + return None + subtitle_original_lang_code = subtitle_original_track.attrib.get('lang_code') + if not subtitle_original_lang_code: + return None + return self._get_captions_by_type(video_id, video_subtitles_id, 'automatic_captions', subtitle_original_lang_code) + def _real_extract(self, url): video_id = self._match_id(url) webpage = self._download_webpage( @@ -97,10 +188,21 @@ def _real_extract(self, url): formats.append(f) self._sort_formats(formats) + hl = self._search_regex( + r'"hl"\s*,\s*"([^"]+)', webpage, 'hl', default=None) + video_subtitles_id = None + ttsurl = self._search_regex( + r'"ttsurl"\s*,\s*"([^"]+)', webpage, 'ttsurl', default=None) + if ttsurl: + # the video Id for subtitles will be the last value in the ttsurl query string + video_subtitles_id = ttsurl.encode('utf-8').decode('unicode_escape').split('=')[-1] + return { 'id': video_id, 'title': title, 'thumbnail': self._og_search_thumbnail(webpage, default=None), 'duration': duration, 'formats': formats, + 'subtitles': self.extract_subtitles(video_id, video_subtitles_id, hl), + 'automatic_captions': self.extract_automatic_captions(video_id, video_subtitles_id, hl), }