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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 @@ def test_youtube_subtitles(self):
def test_youtube_subtitles_it(self):
DL = FakeYDL()
DL.params['writesubtitles'] = True
DL.params['subtitleslang'] = 'it'
DL.params['subtitleslangs'] = ['it']
IE = YoutubeIE(DL)
info_dict = IE.extract('QRS8MkLhQmM')
sub = info_dict[0]['subtitles']['it']
@ -85,11 +85,20 @@ def test_youtube_list_subtitles(self):
def test_youtube_automatic_captions(self):
DL = FakeYDL()
DL.params['writeautomaticsub'] = True
DL.params['subtitleslang'] = 'it'
DL.params['subtitleslangs'] = ['it']
IE = YoutubeIE(DL)
info_dict = IE.extract('8YoUxe5ncPo')
sub = info_dict[0]['subtitles']['it']
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__':
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
listsubtitles: Lists all available subtitles for the video
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
daterange: A DateRange object, download only if the upload_date is in the range.
skip_download: Skip the actual download of the video file

12
youtube_dl/__init__.py
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@ -83,6 +83,9 @@ def _format_option_string(option):
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():
columns = os.environ.get('COLUMNS', None)
if columns:
@ -206,9 +209,10 @@ def _find_term_columns():
subtitles.add_option('--sub-format',
action='store', dest='subtitlesformat', metavar='FORMAT',
help='subtitle format (default=srt) ([sbv/vtt] youtube only)', default='srt')
subtitles.add_option('--sub-lang', '--srt-lang',
action='store', dest='subtitleslang', metavar='LANG',
help='language of the subtitles to download (optional) use IETF language tags like \'en\'')
subtitles.add_option('--sub-lang', '--sub-langs', '--srt-lang',
action='callback', dest='subtitleslang', metavar='LANGS', type='str',
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',
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,
'listsubtitles': opts.listsubtitles,
'subtitlesformat': opts.subtitlesformat,
'subtitleslang': opts.subtitleslang,
'subtitleslangs': opts.subtitleslang,
'matchtitle': decodeOption(opts.matchtitle),
'rejecttitle': decodeOption(opts.rejecttitle),
'max_downloads': opts.max_downloads,

27
youtube_dl/extractor/youtube.py
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@ -496,7 +496,7 @@ def _request_subtitle(self, sub_lang, sub_name, video_id, format):
def _request_automatic_caption(self, video_id, webpage):
"""We need the webpage for getting the captions url, pass it as an
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')
self.to_screen(u'%s: Looking for automatic captions' % video_id)
mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
@ -530,23 +530,26 @@ def _extract_subtitles(self, video_id):
Return a dictionary: {language: subtitles} or {} if the subtitles
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')
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 {}
if self._downloader.params.get('allsubtitles', False):
pass
sub_lang_list = available_subs_list
else:
if self._downloader.params.get('subtitleslang', False):
sub_lang = self._downloader.params.get('subtitleslang')
elif 'en' in sub_lang_list:
sub_lang = 'en'
if self._downloader.params.get('subtitleslangs', False):
reqested_langs = self._downloader.params.get('subtitleslangs')
elif 'en' in available_subs_list:
reqested_langs = ['en']
else:
sub_lang = list(sub_lang_list.keys())[0]
if not sub_lang in sub_lang_list:
reqested_langs = [list(available_subs_list.keys())[0]]
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)
return {}
sub_lang_list = {sub_lang: sub_lang_list[sub_lang]}
continue
sub_lang_list[sub_lang] = available_subs_list[sub_lang]
subtitles = {}
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)