diff options
| -rw-r--r-- | .gitignore | 8 | ||||
| -rw-r--r-- | test/parameters.json | 1 | ||||
| -rw-r--r-- | test/test_dailymotion_subtitles.py | 69 | ||||
| -rw-r--r-- | test/test_youtube_subtitles.py | 114 | ||||
| -rw-r--r-- | youtube_dl/__init__.py | 11 | ||||
| -rw-r--r-- | youtube_dl/extractor/dailymotion.py | 28 | ||||
| -rw-r--r-- | youtube_dl/extractor/subtitles.py | 86 | ||||
| -rw-r--r-- | youtube_dl/extractor/youtube.py | 105 | 
8 files changed, 259 insertions, 163 deletions
| diff --git a/.gitignore b/.gitignore index ca4e8f353..61cb6bc3c 100644 --- a/.gitignore +++ b/.gitignore @@ -17,4 +17,10 @@ youtube-dl.tar.gz  .coverage  cover/  updates_key.pem -*.egg-info
\ No newline at end of file +*.egg-info +*.srt +*.sbv +*.vtt +*.flv +*.mp4 +*.part diff --git a/test/parameters.json b/test/parameters.json index 96998b5c3..f042880ed 100644 --- a/test/parameters.json +++ b/test/parameters.json @@ -38,7 +38,6 @@      "writedescription": false,       "writeinfojson": true,       "writesubtitles": false, -    "onlysubtitles": false,      "allsubtitles": false,      "listssubtitles": false  } diff --git a/test/test_dailymotion_subtitles.py b/test/test_dailymotion_subtitles.py new file mode 100644 index 000000000..bcd9f79f6 --- /dev/null +++ b/test/test_dailymotion_subtitles.py @@ -0,0 +1,69 @@ +#!/usr/bin/env python + +import sys +import unittest +import json +import io +import hashlib + +# Allow direct execution +import os +sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) + +from youtube_dl.extractor import DailymotionIE +from youtube_dl.utils import * +from helper import FakeYDL + +md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest() + +class TestDailymotionSubtitles(unittest.TestCase): +    def setUp(self): +        self.DL = FakeYDL() +        self.url = 'http://www.dailymotion.com/video/xczg00' +    def getInfoDict(self): +        IE = DailymotionIE(self.DL) +        info_dict = IE.extract(self.url) +        return info_dict +    def getSubtitles(self): +        info_dict = self.getInfoDict() +        return info_dict[0]['subtitles'] +    def test_no_writesubtitles(self): +        subtitles = self.getSubtitles() +        self.assertEqual(subtitles, None) +    def test_subtitles(self): +        self.DL.params['writesubtitles'] = True +        subtitles = self.getSubtitles() +        self.assertEqual(md5(subtitles['en']), '976553874490cba125086bbfea3ff76f') +    def test_subtitles_lang(self): +        self.DL.params['writesubtitles'] = True +        self.DL.params['subtitleslangs'] = ['fr'] +        subtitles = self.getSubtitles() +        self.assertEqual(md5(subtitles['fr']), '594564ec7d588942e384e920e5341792') +    def test_allsubtitles(self): +        self.DL.params['allsubtitles'] = True +        subtitles = self.getSubtitles() +        self.assertEqual(len(subtitles.keys()), 5) +    def test_list_subtitles(self): +        self.DL.params['listsubtitles'] = True +        info_dict = self.getInfoDict() +        self.assertEqual(info_dict, None) +    def test_automatic_captions(self): +        self.DL.params['writeautomaticsub'] = True +        self.DL.params['subtitleslang'] = ['en'] +        subtitles = self.getSubtitles() +        self.assertTrue(len(subtitles.keys()) == 0) +    def test_nosubtitles(self): +        self.url = 'http://www.dailymotion.com/video/x12u166_le-zapping-tele-star-du-08-aout-2013_tv' +        self.DL.params['allsubtitles'] = True +        subtitles = self.getSubtitles() +        self.assertEqual(len(subtitles), 0) +    def test_multiple_langs(self): +        self.DL.params['writesubtitles'] = True +        langs = ['es', 'fr', 'de'] +        self.DL.params['subtitleslangs'] = langs +        subtitles = self.getSubtitles() +        for lang in langs: +            self.assertTrue(subtitles.get(lang) is not None, u'Subtitles for \'%s\' not extracted' % lang) + +if __name__ == '__main__': +    unittest.main() diff --git a/test/test_youtube_subtitles.py b/test/test_youtube_subtitles.py index 641206277..5632871ac 100644 --- a/test/test_youtube_subtitles.py +++ b/test/test_youtube_subtitles.py @@ -18,85 +18,63 @@ md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()  class TestYoutubeSubtitles(unittest.TestCase):      def setUp(self): -        DL = FakeYDL() -        DL.params['allsubtitles'] = False -        DL.params['writesubtitles'] = False -        DL.params['subtitlesformat'] = 'srt' -        DL.params['listsubtitles'] = False -    def test_youtube_no_subtitles(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = False -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        subtitles = info_dict[0]['subtitles'] +        self.DL = FakeYDL() +        self.url = 'QRS8MkLhQmM' +    def getInfoDict(self): +        IE = YoutubeIE(self.DL) +        info_dict = IE.extract(self.url) +        return info_dict +    def getSubtitles(self): +        info_dict = self.getInfoDict() +        return info_dict[0]['subtitles']         +    def test_youtube_no_writesubtitles(self): +        self.DL.params['writesubtitles'] = False +        subtitles = self.getSubtitles()          self.assertEqual(subtitles, None)      def test_youtube_subtitles(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = True -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        sub = info_dict[0]['subtitles']['en'] -        self.assertEqual(md5(sub), '4cd9278a35ba2305f47354ee13472260') -    def test_youtube_subtitles_it(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = True -        DL.params['subtitleslangs'] = ['it'] -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        sub = info_dict[0]['subtitles']['it'] -        self.assertEqual(md5(sub), '164a51f16f260476a05b50fe4c2f161d') -    def test_youtube_onlysubtitles(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = True -        DL.params['onlysubtitles'] = True -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        sub = info_dict[0]['subtitles']['en'] -        self.assertEqual(md5(sub), '4cd9278a35ba2305f47354ee13472260') +        self.DL.params['writesubtitles'] = True +        subtitles = self.getSubtitles() +        self.assertEqual(md5(subtitles['en']), '4cd9278a35ba2305f47354ee13472260') +    def test_youtube_subtitles_lang(self): +        self.DL.params['writesubtitles'] = True +        self.DL.params['subtitleslangs'] = ['it'] +        subtitles = self.getSubtitles() +        self.assertEqual(md5(subtitles['it']), '164a51f16f260476a05b50fe4c2f161d')      def test_youtube_allsubtitles(self): -        DL = FakeYDL() -        DL.params['allsubtitles'] = True -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        subtitles = info_dict[0]['subtitles'] +        self.DL.params['allsubtitles'] = True +        subtitles = self.getSubtitles()          self.assertEqual(len(subtitles.keys()), 13)      def test_youtube_subtitles_sbv_format(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = True -        DL.params['subtitlesformat'] = 'sbv' -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        sub = info_dict[0]['subtitles']['en'] -        self.assertEqual(md5(sub), '13aeaa0c245a8bed9a451cb643e3ad8b') +        self.DL.params['writesubtitles'] = True +        self.DL.params['subtitlesformat'] = 'sbv' +        subtitles = self.getSubtitles() +        self.assertEqual(md5(subtitles['en']), '13aeaa0c245a8bed9a451cb643e3ad8b')      def test_youtube_subtitles_vtt_format(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = True -        DL.params['subtitlesformat'] = 'vtt' -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') -        sub = info_dict[0]['subtitles']['en'] -        self.assertEqual(md5(sub), '356cdc577fde0c6783b9b822e7206ff7') +        self.DL.params['writesubtitles'] = True +        self.DL.params['subtitlesformat'] = 'vtt' +        subtitles = self.getSubtitles() +        self.assertEqual(md5(subtitles['en']), '356cdc577fde0c6783b9b822e7206ff7')      def test_youtube_list_subtitles(self): -        DL = FakeYDL() -        DL.params['listsubtitles'] = True -        IE = YoutubeIE(DL) -        info_dict = IE.extract('QRS8MkLhQmM') +        self.DL.params['listsubtitles'] = True +        info_dict = self.getInfoDict()          self.assertEqual(info_dict, None)      def test_youtube_automatic_captions(self): -        DL = FakeYDL() -        DL.params['writeautomaticsub'] = True -        DL.params['subtitleslangs'] = ['it'] -        IE = YoutubeIE(DL) -        info_dict = IE.extract('8YoUxe5ncPo') -        sub = info_dict[0]['subtitles']['it'] -        self.assertTrue(sub is not None) +        self.url = '8YoUxe5ncPo' +        self.DL.params['writeautomaticsub'] = True +        self.DL.params['subtitleslangs'] = ['it'] +        subtitles = self.getSubtitles() +        self.assertTrue(subtitles['it'] is not None) +    def test_youtube_nosubtitles(self): +        self.url = 'sAjKT8FhjI8' +        self.DL.params['allsubtitles'] = True +        subtitles = self.getSubtitles() +        self.assertEqual(len(subtitles), 0)      def test_youtube_multiple_langs(self): -        DL = FakeYDL() -        DL.params['writesubtitles'] = True +        self.url = 'QRS8MkLhQmM' +        self.DL.params['writesubtitles'] = True          langs = ['it', 'fr', 'de'] -        DL.params['subtitleslangs'] = langs -        IE = YoutubeIE(DL) -        subtitles = IE.extract('QRS8MkLhQmM')[0]['subtitles'] +        self.DL.params['subtitleslangs'] = langs +        subtitles = self.getSubtitles()          for lang in langs:              self.assertTrue(subtitles.get(lang) is not None, u'Subtitles for \'%s\' not extracted' % lang) diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py index 4213ec1d5..0083f2e99 100644 --- a/youtube_dl/__init__.py +++ b/youtube_dl/__init__.py @@ -205,13 +205,10 @@ def parseOpts(overrideArguments=None):      subtitles.add_option('--write-sub', '--write-srt',              action='store_true', dest='writesubtitles', -            help='write subtitle file (currently youtube only)', default=False) +            help='write subtitle file', default=False)      subtitles.add_option('--write-auto-sub', '--write-automatic-sub',              action='store_true', dest='writeautomaticsub', -            help='write automatic subtitle file (currently youtube only)', default=False) -    subtitles.add_option('--only-sub', -            action='store_true', dest='skip_download', -            help='[deprecated] alias of --skip-download', default=False) +            help='write automatic subtitle file (youtube only)', default=False)      subtitles.add_option('--all-subs',              action='store_true', dest='allsubtitles',              help='downloads all the available subtitles of the video', default=False) @@ -222,7 +219,7 @@ def parseOpts(overrideArguments=None):              action='store', dest='subtitlesformat', metavar='FORMAT',              help='subtitle format (default=srt) ([sbv/vtt] youtube only)', default='srt')      subtitles.add_option('--sub-lang', '--sub-langs', '--srt-lang', -            action='callback', dest='subtitleslang', metavar='LANGS', type='str', +            action='callback', dest='subtitleslangs', 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\'') @@ -593,7 +590,7 @@ def _real_main(argv=None):          'allsubtitles': opts.allsubtitles,          'listsubtitles': opts.listsubtitles,          'subtitlesformat': opts.subtitlesformat, -        'subtitleslangs': opts.subtitleslang, +        'subtitleslangs': opts.subtitleslangs,          'matchtitle': decodeOption(opts.matchtitle),          'rejecttitle': decodeOption(opts.rejecttitle),          'max_downloads': opts.max_downloads, diff --git a/youtube_dl/extractor/dailymotion.py b/youtube_dl/extractor/dailymotion.py index 3c616e089..360113f9c 100644 --- a/youtube_dl/extractor/dailymotion.py +++ b/youtube_dl/extractor/dailymotion.py @@ -3,15 +3,19 @@ import json  import itertools  from .common import InfoExtractor +from .subtitles import SubtitlesInfoExtractor +  from ..utils import (      compat_urllib_request, +    compat_str,      get_element_by_attribute,      get_element_by_id,      ExtractorError,  ) -class DailymotionIE(InfoExtractor): + +class DailymotionIE(SubtitlesInfoExtractor):      """Information Extractor for Dailymotion"""      _VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/(?:embed/)?video/([^/]+)' @@ -73,6 +77,12 @@ class DailymotionIE(InfoExtractor):              raise ExtractorError(u'Unable to extract video URL')          video_url = info[max_quality] +        # subtitles +        video_subtitles = self.extract_subtitles(video_id) +        if self._downloader.params.get('listsubtitles', False): +            self._list_available_subtitles(video_id) +            return +          return [{              'id':       video_id,              'url':      video_url, @@ -80,9 +90,25 @@ class DailymotionIE(InfoExtractor):              'upload_date':  video_upload_date,              'title':    self._og_search_title(webpage),              'ext':      video_extension, +            'subtitles':    video_subtitles,              'thumbnail': info['thumbnail_url']          }] +    def _get_available_subtitles(self, video_id): +        try: +            sub_list = self._download_webpage( +                'https://api.dailymotion.com/video/%s/subtitles?fields=id,language,url' % video_id, +                video_id, note=False) +        except ExtractorError as err: +            self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err)) +            return {} +        info = json.loads(sub_list) +        if (info['total'] > 0): +            sub_lang_list = dict((l['language'], l['url']) for l in info['list']) +            return sub_lang_list +        self._downloader.report_warning(u'video doesn\'t have subtitles') +        return {} +  class DailymotionPlaylistIE(InfoExtractor):      _VALID_URL = r'(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/playlist/(?P<id>.+?)/' diff --git a/youtube_dl/extractor/subtitles.py b/youtube_dl/extractor/subtitles.py new file mode 100644 index 000000000..9a3c54b65 --- /dev/null +++ b/youtube_dl/extractor/subtitles.py @@ -0,0 +1,86 @@ +from .common import InfoExtractor + +from ..utils import ( +    compat_str, +    ExtractorError, +) + + +class SubtitlesInfoExtractor(InfoExtractor): + +    def _list_available_subtitles(self, video_id): +        """ outputs the available subtitles for the video """ +        sub_lang_list = self._get_available_subtitles(video_id) +        sub_lang = ",".join(list(sub_lang_list.keys())) +        self.to_screen(u'%s: Available subtitles for video: %s' % +                       (video_id, sub_lang)) + +    def _extract_subtitles(self, video_id): +        """ returns {sub_lang: sub} or {} if subtitles not found """ +        available_subs_list = self._get_available_subtitles(video_id) +        if not available_subs_list:  # error, it didn't get the available subtitles +            return {} +        if self._downloader.params.get('allsubtitles', False): +            sub_lang_list = available_subs_list +        else: +            if self._downloader.params.get('writesubtitles', False): +                if self._downloader.params.get('subtitleslangs', False): +                    requested_langs = self._downloader.params.get('subtitleslangs') +                elif 'en' in available_subs_list: +                    requested_langs = ['en'] +                else: +                    requested_langs = [list(available_subs_list.keys())[0]] + +                sub_lang_list = {} +                for sub_lang in requested_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) +                        continue +                    sub_lang_list[sub_lang] = available_subs_list[sub_lang] + +        subtitles = {} +        for sub_lang, url in sub_lang_list.items(): +            subtitle = self._request_subtitle_url(sub_lang, url) +            if subtitle: +                subtitles[sub_lang] = subtitle +        return subtitles + +    def _request_subtitle_url(self, sub_lang, url): +        """ makes the http request for the subtitle """ +        try: +            sub = self._download_webpage(url, None, note=False) +        except ExtractorError as err: +            self._downloader.report_warning(u'unable to download video subtitles for %s: %s' % (sub_lang, compat_str(err))) +            return +        if not sub: +            self._downloader.report_warning(u'Did not fetch video subtitles') +            return +        return sub + +    def _get_available_subtitles(self, video_id): +        """ +        returns {sub_lang: url} or {} if not available +        Must be redefined by the subclasses +        """ +        pass + +    def _request_automatic_caption(self, video_id, webpage): +        """ +        returns {sub_lang: sub} or {} if not available +        Must be redefined by the subclasses that support automatic captions, +        otherwise it will return {} +        """ +        self._downloader.report_warning(u'Automatic Captions not supported by this server') +        return {} + +    def extract_subtitles(self, video_id, video_webpage=None): +        """ +        Extract the subtitles and/or the automatic captions if requested. +        Returns None or a dictionary in the format {sub_lang: sub} +        """ +        video_subtitles = None +        if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False): +            video_subtitles = self._extract_subtitles(video_id) +        elif self._downloader.params.get('writeautomaticsub', False): +            video_subtitles = self._request_automatic_caption(video_id, video_webpage) +        return video_subtitles diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py index 0e828263c..d06cc49c4 100644 --- a/youtube_dl/extractor/youtube.py +++ b/youtube_dl/extractor/youtube.py @@ -7,6 +7,7 @@ import socket  import itertools  from .common import InfoExtractor, SearchInfoExtractor +from .subtitles import SubtitlesInfoExtractor  from ..utils import (      compat_http_client,      compat_parse_qs, @@ -130,7 +131,8 @@ class YoutubeBaseInfoExtractor(InfoExtractor):              return          self._confirm_age() -class YoutubeIE(YoutubeBaseInfoExtractor): + +class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):      IE_DESC = u'YouTube.com'      _VALID_URL = r"""^                       ( @@ -397,19 +399,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor):          """Report attempt to download video info webpage."""          self.to_screen(u'%s: Downloading video info webpage' % video_id) -    def report_video_subtitles_download(self, video_id): -        """Report attempt to download video info webpage.""" -        self.to_screen(u'%s: Checking available subtitles' % video_id) - -    def report_video_subtitles_request(self, video_id, sub_lang, format): -        """Report attempt to download video info webpage.""" -        self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format)) - -    def report_video_subtitles_available(self, video_id, sub_lang_list): -        """Report available subtitles.""" -        sub_lang = ",".join(list(sub_lang_list.keys())) -        self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang)) -      def report_information_extraction(self, video_id):          """Report attempt to extract video information."""          self.to_screen(u'%s: Extracting video information' % video_id) @@ -464,48 +453,31 @@ class YoutubeIE(YoutubeBaseInfoExtractor):              # Fallback to the other algortihms              return self._decrypt_signature(s) -      def _get_available_subtitles(self, video_id): -        self.report_video_subtitles_download(video_id) -        request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)          try: -            sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8') -        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: +            sub_list = self._download_webpage( +                'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id, +                video_id, note=False) +        except ExtractorError as err:              self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))              return {} -        sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) -        sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list) +        lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) + +        sub_lang_list = {} +        for l in lang_list: +            lang = l[1] +            params = compat_urllib_parse.urlencode({ +                'lang': lang, +                'v': video_id, +                'fmt': self._downloader.params.get('subtitlesformat'), +            }) +            url = u'http://www.youtube.com/api/timedtext?' + params +            sub_lang_list[lang] = url          if not sub_lang_list:              self._downloader.report_warning(u'video doesn\'t have subtitles')              return {}          return sub_lang_list -    def _list_available_subtitles(self, video_id): -        sub_lang_list = self._get_available_subtitles(video_id) -        self.report_video_subtitles_available(video_id, sub_lang_list) - -    def _request_subtitle(self, sub_lang, sub_name, video_id, format): -        """ -        Return the subtitle as a string or None if they are not found -        """ -        self.report_video_subtitles_request(video_id, sub_lang, format) -        params = compat_urllib_parse.urlencode({ -            'lang': sub_lang, -            'name': sub_name, -            'v': video_id, -            'fmt': format, -        }) -        url = 'http://www.youtube.com/api/timedtext?' + params -        try: -            sub = compat_urllib_request.urlopen(url).read().decode('utf-8') -        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: -            self._downloader.report_warning(u'unable to download video subtitles for %s: %s' % (sub_lang, compat_str(err))) -            return -        if not sub: -            self._downloader.report_warning(u'Did not fetch video subtitles') -            return -        return sub -      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.""" @@ -537,38 +509,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor):          except (KeyError, ExtractorError):              self._downloader.report_warning(err_msg)              return {} -     -    def _extract_subtitles(self, video_id): -        """ -        Return a dictionary: {language: subtitles} or {} if the subtitles -        couldn't be found -        """ -        available_subs_list = self._get_available_subtitles(video_id) -        sub_format = self._downloader.params.get('subtitlesformat') -        if  not available_subs_list: #There was some error, it didn't get the available subtitles -            return {} -        if self._downloader.params.get('allsubtitles', False): -            sub_lang_list = available_subs_list -        else: -            if self._downloader.params.get('subtitleslangs', False): -                reqested_langs = self._downloader.params.get('subtitleslangs') -            elif 'en' in available_subs_list: -                reqested_langs = ['en'] -            else: -                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) -                    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) -            if subtitle: -                subtitles[sub_lang] = subtitle -        return subtitles      def _print_formats(self, formats):          print('Available formats:') @@ -768,12 +708,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):                  video_description = u''          # subtitles -        video_subtitles = None - -        if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False): -            video_subtitles = self._extract_subtitles(video_id) -        elif self._downloader.params.get('writeautomaticsub', False): -            video_subtitles = self._request_automatic_caption(video_id, video_webpage) +        video_subtitles = self.extract_subtitles(video_id, video_webpage)          if self._downloader.params.get('listsubtitles', False):              self._list_available_subtitles(video_id) | 
