[googledrive] Add support for subtitles (fixes #13619)
Parmjit Virk
Sergey M
parent
7b67b60773
commit
05915e379a
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@ -7,6 +7,8 @@ from ..utils import (
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ExtractorError,
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int_or_none,
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lowercase_escape,
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error_to_compat_str,
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update_url_query,
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)
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@ -24,7 +26,14 @@ class GoogleDriveIE(InfoExtractor):
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}, {
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# video id is longer than 28 characters
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'url': 'https://drive.google.com/file/d/1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ/edit',
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'only_matching': True,
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'md5': 'c230c67252874fddd8170e3fd1a45886',
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'info_dict': {
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'id': '1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ',
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'ext': 'mp4',
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'title': 'Andreea Banica feat Smiley - Hooky Song (Official Video).mp4',
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'duration': 189,
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},
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'only_matching': True
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}]
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_FORMATS_EXT = {
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'5': 'flv',
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@ -44,6 +53,13 @@ class GoogleDriveIE(InfoExtractor):
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'46': 'webm',
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'59': 'mp4',
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}
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_BASE_URL_CAPTIONS = 'https://drive.google.com/timedtext'
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_CAPTIONS_ENTRY_TAG = {
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'subtitles': 'track',
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'automatic_captions': 'target',
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}
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_caption_formats_ext = []
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_captions_by_country_xml = None
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@staticmethod
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def _extract_url(webpage):
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@ -53,6 +69,81 @@ class GoogleDriveIE(InfoExtractor):
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if mobj:
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return 'https://drive.google.com/file/d/%s' % mobj.group('id')
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def _set_captions_data(self, video_id, video_subtitles_id, hl):
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try:
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self._captions_by_country_xml = self._download_xml(self._BASE_URL_CAPTIONS, video_id, query={
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'id': video_id,
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'vid': video_subtitles_id,
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'hl': hl,
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'v': video_id,
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'type': 'list',
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'tlangs': '1',
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'fmts': '1',
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'vssids': '1',
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})
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except ExtractorError as ee:
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self.report_warning('unable to download video subtitles: %s' % error_to_compat_str(ee))
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if self._captions_by_country_xml is not None:
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caption_available_extensions = self._captions_by_country_xml.findall('format')
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for caption_extension in caption_available_extensions:
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if caption_extension.attrib.get('fmt_code') and not caption_extension.attrib.get('default'):
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self._caption_formats_ext.append(caption_extension.attrib['fmt_code'])
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def _get_captions_by_type(self, video_id, video_subtitles_id, caption_type, caption_original_lang_code=None):
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if not video_subtitles_id or not caption_type:
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return None
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captions = {}
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for caption_entry in self._captions_by_country_xml.findall(self._CAPTIONS_ENTRY_TAG[caption_type]):
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caption_lang_code = caption_entry.attrib.get('lang_code')
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if not caption_lang_code:
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continue
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caption_format_data = []
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for caption_format in self._caption_formats_ext:
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query = {
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'vid': video_subtitles_id,
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'v': video_id,
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'fmt': caption_format,
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'lang': caption_lang_code if caption_original_lang_code is None else caption_original_lang_code,
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'type': 'track',
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'name': '',
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'kind': '',
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}
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if caption_original_lang_code is not None:
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query.update({'tlang': caption_lang_code})
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caption_format_data.append({
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'url': update_url_query(self._BASE_URL_CAPTIONS, query),
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'ext': caption_format,
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})
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captions[caption_lang_code] = caption_format_data
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if not captions:
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self.report_warning('video doesn\'t have %s' % caption_type.replace('_', ' '))
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return captions
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def _get_subtitles(self, video_id, video_subtitles_id, hl):
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if not video_subtitles_id or not hl:
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return None
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if self._captions_by_country_xml is None:
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self._set_captions_data(video_id, video_subtitles_id, hl)
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if self._captions_by_country_xml is None:
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return None
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return self._get_captions_by_type(video_id, video_subtitles_id, 'subtitles')
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def _get_automatic_captions(self, video_id, video_subtitles_id, hl):
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if not video_subtitles_id or not hl:
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return None
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if self._captions_by_country_xml is None:
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self._set_captions_data(video_id, video_subtitles_id, hl)
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if self._captions_by_country_xml is None:
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return None
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self.to_screen('%s: Looking for automatic captions' % video_id)
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subtitle_original_track = self._captions_by_country_xml.find('track')
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if subtitle_original_track is None:
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return None
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subtitle_original_lang_code = subtitle_original_track.attrib.get('lang_code')
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if not subtitle_original_lang_code:
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return None
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return self._get_captions_by_type(video_id, video_subtitles_id, 'automatic_captions', subtitle_original_lang_code)
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(
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@ -97,10 +188,21 @@ class GoogleDriveIE(InfoExtractor):
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formats.append(f)
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self._sort_formats(formats)
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hl = self._search_regex(
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r'"hl"\s*,\s*"([^"]+)', webpage, 'hl', default=None)
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video_subtitles_id = None
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ttsurl = self._search_regex(
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r'"ttsurl"\s*,\s*"([^"]+)', webpage, 'ttsurl', default=None)
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if ttsurl:
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# the video Id for subtitles will be the last value in the ttsurl query string
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video_subtitles_id = ttsurl.encode('utf-8').decode('unicode_escape').split('=')[-1]
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return {
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'id': video_id,
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'title': title,
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'thumbnail': self._og_search_thumbnail(webpage, default=None),
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'duration': duration,
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'formats': formats,
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'subtitles': self.extract_subtitles(video_id, video_subtitles_id, hl),
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'automatic_captions': self.extract_automatic_captions(video_id, video_subtitles_id, hl),
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}
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