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Code Issues Projects Releases Wiki Activity

Allow to specify multiple subtitles languages separated by commas (closes #518)

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This commit is contained in:
Jaime Marquínez Ferrándiz 2013-08-23 18:34:57 +02:00
parent 9af73dc4fc
commit aa6a10c44a
4 changed files with 36 additions and 20 deletions
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13
test/test_youtube_subtitles.py
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@ -40,7 +40,7 @@ class TestYoutubeSubtitles(unittest.TestCase):
def test_youtube_subtitles_it(self): def test_youtube_subtitles_it(self):
DL = FakeYDL() DL = FakeYDL()
DL.params['writesubtitles'] = True DL.params['writesubtitles'] = True
DL.params['subtitleslang'] = 'it' DL.params['subtitleslangs'] = ['it']
IE = YoutubeIE(DL) IE = YoutubeIE(DL)
info_dict = IE.extract('QRS8MkLhQmM') info_dict = IE.extract('QRS8MkLhQmM')
sub = info_dict[0]['subtitles']['it'] sub = info_dict[0]['subtitles']['it']
@ -85,11 +85,20 @@ class TestYoutubeSubtitles(unittest.TestCase):
def test_youtube_automatic_captions(self): def test_youtube_automatic_captions(self):
DL = FakeYDL() DL = FakeYDL()
DL.params['writeautomaticsub'] = True DL.params['writeautomaticsub'] = True
DL.params['subtitleslang'] = 'it' DL.params['subtitleslangs'] = ['it']
IE = YoutubeIE(DL) IE = YoutubeIE(DL)
info_dict = IE.extract('8YoUxe5ncPo') info_dict = IE.extract('8YoUxe5ncPo')
sub = info_dict[0]['subtitles']['it'] sub = info_dict[0]['subtitles']['it']
self.assertTrue(sub is not None) self.assertTrue(sub is not None)
def test_youtube_multiple_langs(self):
DL = FakeYDL()
DL.params['writesubtitles'] = True
langs = ['it', 'fr', 'de']
DL.params['subtitleslangs'] = langs
IE = YoutubeIE(DL)
subtitles = IE.extract('QRS8MkLhQmM')[0]['subtitles']
for lang in langs:
self.assertTrue(subtitles.get(lang) is not None, u'Subtitles for \'%s\' not extracted' % lang)
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()

2
youtube_dl/YoutubeDL.py
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@ -76,7 +76,7 @@ class YoutubeDL(object):
allsubtitles: Downloads all the subtitles of the video allsubtitles: Downloads all the subtitles of the video
listsubtitles: Lists all available subtitles for the video listsubtitles: Lists all available subtitles for the video
subtitlesformat: Subtitle format [srt/sbv/vtt] (default=srt) subtitlesformat: Subtitle format [srt/sbv/vtt] (default=srt)
subtitleslang: Language of the subtitles to download subtitleslangs: List of languages of the subtitles to download
keepvideo: Keep the video file after post-processing keepvideo: Keep the video file after post-processing
daterange: A DateRange object, download only if the upload_date is in the range. daterange: A DateRange object, download only if the upload_date is in the range.
skip_download: Skip the actual download of the video file skip_download: Skip the actual download of the video file

12
youtube_dl/__init__.py
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@ -83,6 +83,9 @@ def parseOpts(overrideArguments=None):
return "".join(opts) return "".join(opts)
def _comma_separated_values_options_callback(option, opt_str, value, parser):
setattr(parser.values, option.dest, value.split(','))
def _find_term_columns(): def _find_term_columns():
columns = os.environ.get('COLUMNS', None) columns = os.environ.get('COLUMNS', None)
if columns: if columns:
@ -206,9 +209,10 @@ def parseOpts(overrideArguments=None):
subtitles.add_option('--sub-format', subtitles.add_option('--sub-format',
action='store', dest='subtitlesformat', metavar='FORMAT', action='store', dest='subtitlesformat', metavar='FORMAT',
help='subtitle format (default=srt) ([sbv/vtt] youtube only)', default='srt') help='subtitle format (default=srt) ([sbv/vtt] youtube only)', default='srt')
subtitles.add_option('--sub-lang', '--srt-lang', subtitles.add_option('--sub-lang', '--sub-langs', '--srt-lang',
action='store', dest='subtitleslang', metavar='LANG', action='callback', dest='subtitleslang', metavar='LANGS', type='str',
help='language of the subtitles to download (optional) use IETF language tags like \'en\'') default=[], callback=_comma_separated_values_options_callback,
help='languages of the subtitles to download (optional) separated by commas, use IETF language tags like \'en,pt\'')
downloader.add_option('-r', '--rate-limit', downloader.add_option('-r', '--rate-limit',
dest='ratelimit', metavar='LIMIT', help='maximum download rate (e.g. 50k or 44.6m)') dest='ratelimit', metavar='LIMIT', help='maximum download rate (e.g. 50k or 44.6m)')
@ -573,7 +577,7 @@ def _real_main(argv=None):
'allsubtitles': opts.allsubtitles, 'allsubtitles': opts.allsubtitles,
'listsubtitles': opts.listsubtitles, 'listsubtitles': opts.listsubtitles,
'subtitlesformat': opts.subtitlesformat, 'subtitlesformat': opts.subtitlesformat,
'subtitleslang': opts.subtitleslang, 'subtitleslangs': opts.subtitleslang,
'matchtitle': decodeOption(opts.matchtitle), 'matchtitle': decodeOption(opts.matchtitle),
'rejecttitle': decodeOption(opts.rejecttitle), 'rejecttitle': decodeOption(opts.rejecttitle),
'max_downloads': opts.max_downloads, 'max_downloads': opts.max_downloads,

27
youtube_dl/extractor/youtube.py
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@ -496,7 +496,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _request_automatic_caption(self, video_id, webpage): def _request_automatic_caption(self, video_id, webpage):
"""We need the webpage for getting the captions url, pass it as an """We need the webpage for getting the captions url, pass it as an
argument to speed up the process.""" argument to speed up the process."""
sub_lang = self._downloader.params.get('subtitleslang') or 'en' sub_lang = (self._downloader.params.get('subtitleslangs') or ['en'])[0]
sub_format = self._downloader.params.get('subtitlesformat') sub_format = self._downloader.params.get('subtitlesformat')
self.to_screen(u'%s: Looking for automatic captions' % video_id) self.to_screen(u'%s: Looking for automatic captions' % video_id)
mobj = re.search(r';ytplayer.config = ({.*?});', webpage) mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
@ -530,23 +530,26 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
Return a dictionary: {language: subtitles} or {} if the subtitles Return a dictionary: {language: subtitles} or {} if the subtitles
couldn't be found couldn't be found
""" """
sub_lang_list = self._get_available_subtitles(video_id) available_subs_list = self._get_available_subtitles(video_id)
sub_format = self._downloader.params.get('subtitlesformat') sub_format = self._downloader.params.get('subtitlesformat')
if not sub_lang_list: #There was some error, it didn't get the available subtitles if not available_subs_list: #There was some error, it didn't get the available subtitles
return {} return {}
if self._downloader.params.get('allsubtitles', False): if self._downloader.params.get('allsubtitles', False):
pass sub_lang_list = available_subs_list
else: else:
if self._downloader.params.get('subtitleslang', False): if self._downloader.params.get('subtitleslangs', False):
sub_lang = self._downloader.params.get('subtitleslang') reqested_langs = self._downloader.params.get('subtitleslangs')
elif 'en' in sub_lang_list: elif 'en' in available_subs_list:
sub_lang = 'en' reqested_langs = ['en']
else: else:
sub_lang = list(sub_lang_list.keys())[0] reqested_langs = [list(available_subs_list.keys())[0]]
if not sub_lang in sub_lang_list:
sub_lang_list = {}
for sub_lang in reqested_langs:
if not sub_lang in available_subs_list:
self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang) self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang)
return {} continue
sub_lang_list = {sub_lang: sub_lang_list[sub_lang]} sub_lang_list[sub_lang] = available_subs_list[sub_lang]
subtitles = {} subtitles = {}
for sub_lang in sub_lang_list: for sub_lang in sub_lang_list:
subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)