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https://github.com/ytdl-org/youtube-dl.git
synced 2024-12-24 00:46:51 +00:00
Added new option '--only-srt' to download only the subtitles of a video
Improved option '--srt-lang' - it shows the argument in case of missing subtitles - added language suffix for non-english languages (e.g. video.it.srt)
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@ -53,5 +53,12 @@ class TestYoutubeSubtitles(unittest.TestCase):
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info_dict = IE.extract('QRS8MkLhQmM')
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self.assertEqual(md5(info_dict[0]['subtitles']), '164a51f16f260476a05b50fe4c2f161d')
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def test_youtube_onlysubtitles(self):
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DL = FakeDownloader()
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DL.params['onlysubtitles'] = True
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IE = YoutubeIE(DL)
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info_dict = IE.extract('QRS8MkLhQmM')
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self.assertEqual(md5(info_dict[0]['subtitles']), '4cd9278a35ba2305f47354ee13472260')
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if __name__ == '__main__':
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unittest.main()
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@ -79,6 +79,7 @@ class FileDownloader(object):
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writedescription: Write the video description to a .description file
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writeinfojson: Write the video description to a .info.json file
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writesubtitles: Write the video subtitles to a .srt file
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onlysubtitles: Downloads only the subtitles of the video
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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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keepvideo: Keep the video file after post-processing
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@ -443,9 +444,13 @@ class FileDownloader(object):
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# that way it will silently go on when used with unsupporting IE
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try:
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srtfn = filename.rsplit('.', 1)[0] + u'.srt'
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if self.params.get('subtitleslang', False):
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srtfn = filename.rsplit('.', 1)[0] + u'.' + self.params['subtitleslang'] + u'.srt'
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self.report_writesubtitles(srtfn)
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with io.open(encodeFilename(srtfn), 'w', encoding='utf-8') as srtfile:
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srtfile.write(info_dict['subtitles'])
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if self.params.get('onlysubtitles', False):
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return
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except (OSError, IOError):
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self.trouble(u'ERROR: Cannot write subtitles file ' + descfn)
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return
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@ -228,6 +228,7 @@ class YoutubeIE(InfoExtractor):
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"""Indicate the download will use the RTMP protocol."""
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self._downloader.to_screen(u'[youtube] RTMP download detected')
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def _extract_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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@ -246,7 +247,7 @@ class YoutubeIE(InfoExtractor):
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else:
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srt_lang = list(srt_lang_list.keys())[0]
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if not srt_lang in srt_lang_list:
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return (u'WARNING: no closed captions found in the specified language', None)
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return (u'WARNING: no closed captions found in the specified language "%s"' % srt_lang, None)
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params = compat_urllib_parse.urlencode({
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'lang': srt_lang,
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'name': srt_lang_list[srt_lang].encode('utf-8'),
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@ -483,6 +484,10 @@ class YoutubeIE(InfoExtractor):
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# closed captions
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video_subtitles = None
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if self._downloader.params.get('subtitleslang', False):
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self._downloader.params['writesubtitles'] = True
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if self._downloader.params.get('onlysubtitles', False):
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self._downloader.params['writesubtitles'] = True
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if self._downloader.params.get('writesubtitles', False):
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(srt_error, video_subtitles) = self._extract_subtitles(video_id)
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if srt_error:
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@ -176,6 +176,9 @@ def parseOpts():
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video_format.add_option('--write-srt',
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action='store_true', dest='writesubtitles',
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help='write video closed captions to a .srt file (currently youtube only)', default=False)
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video_format.add_option('--only-srt',
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action='store_true', dest='onlysubtitles',
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help='downloads only the subtitles of the video (currently youtube only)', default=False)
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video_format.add_option('--srt-lang',
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action='store', dest='subtitleslang', metavar='LANG',
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help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
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@ -450,6 +453,7 @@ def _real_main():
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'writedescription': opts.writedescription,
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'writeinfojson': opts.writeinfojson,
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'writesubtitles': opts.writesubtitles,
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'onlysubtitles': opts.onlysubtitles,
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'subtitleslang': opts.subtitleslang,
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'matchtitle': decodeOption(opts.matchtitle),
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'rejecttitle': decodeOption(opts.rejecttitle),
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