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https://github.com/blackjack4494/yt-dlc.git
synced 2024-09-11 20:12:41 +02:00
Added new option '--list-subs' to show the available subtitle languages
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parent
9e62bc4439
commit
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@ -39,5 +39,6 @@
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"writeinfojson": true,
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"writesubtitles": false,
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"onlysubtitles": false,
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"allsubtitles": false
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"allsubtitles": false,
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"listssubtitles": false
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}
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@ -43,6 +43,7 @@ class TestYoutubeSubtitles(unittest.TestCase):
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DL.params['allsubtitles'] = False
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DL.params['writesubtitles'] = False
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DL.params['subtitlesformat'] = 'srt'
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DL.params['listsubtitles'] = False
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def test_youtube_no_subtitles(self):
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DL = FakeDownloader()
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DL.params['writesubtitles'] = False
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@ -88,6 +89,12 @@ class TestYoutubeSubtitles(unittest.TestCase):
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info_dict = IE.extract('QRS8MkLhQmM')
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sub = info_dict[0]['subtitles'][0]
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self.assertEqual(md5(sub[2]), '13aeaa0c245a8bed9a451cb643e3ad8b')
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def test_youtube_list_subtitles(self):
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DL = FakeDownloader()
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DL.params['listsubtitles'] = True
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IE = YoutubeIE(DL)
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info_dict = IE.extract('QRS8MkLhQmM')
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self.assertEqual(info_dict, None)
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if __name__ == '__main__':
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unittest.main()
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@ -81,6 +81,7 @@ class FileDownloader(object):
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writesubtitles: Write the video subtitles to a file
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onlysubtitles: Downloads only the subtitles of the video
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allsubtitles: Downloads all the subtitles of the video
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listsubtitles: Lists all available subtitles for the video
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subtitlesformat: Subtitle format [sbv/srt] (default=srt)
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subtitleslang: Language of the subtitles to download
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test: Download only first bytes to test the downloader.
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@ -214,11 +214,16 @@ class YoutubeIE(InfoExtractor):
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def report_video_subtitles_download(self, video_id):
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"""Report attempt to download video info webpage."""
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self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id)
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self._downloader.to_screen(u'[youtube] %s: Checking available subtitles' % video_id)
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def report_video_subtitles_request(self, video_id, lang):
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def report_video_subtitles_request(self, video_id, sub_lang, format):
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"""Report attempt to download video info webpage."""
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self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles for lang: %s' % (video_id,lang))
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self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
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def report_video_subtitles_available(self, video_id, sub_lang_list):
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"""Report available subtitles."""
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sub_lang = ",".join(list(sub_lang_list.keys()))
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self._downloader.to_screen(u'[youtube] %s: Available subtitles for video: %s' % (video_id, sub_lang))
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def report_information_extraction(self, video_id):
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"""Report attempt to extract video information."""
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@ -233,6 +238,7 @@ class YoutubeIE(InfoExtractor):
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self._downloader.to_screen(u'[youtube] RTMP download detected')
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def _get_available_subtitles(self, video_id):
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self.report_video_subtitles_download(video_id)
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request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
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try:
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sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
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@ -241,11 +247,15 @@ class YoutubeIE(InfoExtractor):
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sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
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sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list)
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if not sub_lang_list:
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return (u'WARNING: video has no closed captions', None)
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return (u'WARNING: video doesn\'t have download', None)
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return sub_lang_list
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def _list_available_subtitles(self, video_id):
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sub_lang_list = self._get_available_subtitles(video_id)
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self.report_video_subtitles_available(video_id, sub_lang_list)
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def _request_subtitle(self, sub_lang, sub_name, video_id, format):
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self.report_video_subtitles_request(video_id, sub_lang)
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self.report_video_subtitles_request(video_id, sub_lang, format)
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params = compat_urllib_parse.urlencode({
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'lang': sub_lang,
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'name': sub_name,
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@ -262,7 +272,6 @@ class YoutubeIE(InfoExtractor):
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return (None, sub_lang, sub)
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def _extract_subtitle(self, video_id):
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self.report_video_subtitles_download(video_id)
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sub_lang_list = self._get_available_subtitles(video_id)
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sub_format = self._downloader.params.get('subtitlesformat')
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if self._downloader.params.get('subtitleslang', False):
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@ -278,7 +287,6 @@ class YoutubeIE(InfoExtractor):
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return [subtitle]
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def _extract_all_subtitles(self, video_id):
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self.report_video_subtitles_download(video_id)
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sub_lang_list = self._get_available_subtitles(video_id)
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sub_format = self._downloader.params.get('subtitlesformat')
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subtitles = []
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@ -523,6 +531,10 @@ class YoutubeIE(InfoExtractor):
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if sub_error:
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self._downloader.trouble(sub_error)
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if self._downloader.params.get('listsubtitles', False):
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sub_lang_list = self._list_available_subtitles(video_id)
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return
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if 'length_seconds' not in video_info:
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self._downloader.trouble(u'WARNING: unable to extract video duration')
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video_duration = ''
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@ -182,6 +182,9 @@ def parseOpts():
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video_format.add_option('--all-subs',
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action='store_true', dest='allsubtitles',
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help='downloads all the available subtitles of the video (currently youtube only)', default=False)
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video_format.add_option('--list-subs',
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action='store_true', dest='listsubtitles',
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help='lists all available subtitles for the video (currently youtube only)', default=False)
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video_format.add_option('--sub-format',
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action='store', dest='subtitlesformat', metavar='LANG',
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help='subtitle format [srt/sbv] (default=srt) (currently youtube only)', default='srt')
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@ -461,6 +464,7 @@ def _real_main():
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'writesubtitles': opts.writesubtitles,
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'onlysubtitles': opts.onlysubtitles,
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'allsubtitles': opts.allsubtitles,
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'listsubtitles': opts.listsubtitles,
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'subtitlesformat': opts.subtitlesformat,
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'subtitleslang': opts.subtitleslang,
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'matchtitle': decodeOption(opts.matchtitle),
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