+ return (None, sub_lang, sub)
+
+ def _extract_subtitle(self, video_id):
+ sub_lang_list = self._get_available_subtitles(video_id)
+ sub_format = self._downloader.params.get('subtitlesformat')
+ if self._downloader.params.get('subtitleslang', False):
+ sub_lang = self._downloader.params.get('subtitleslang')
+ elif 'en' in sub_lang_list:
+ sub_lang = 'en'
+ else:
+ sub_lang = list(sub_lang_list.keys())[0]
+ if not sub_lang in sub_lang_list:
+ return (u'WARNING: no closed captions found in the specified language "%s"' % sub_lang, None)
+
+ subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
+ return [subtitle]
+
+ def _extract_all_subtitles(self, video_id):
+ sub_lang_list = self._get_available_subtitles(video_id)
+ sub_format = self._downloader.params.get('subtitlesformat')
+ 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)
+ subtitles.append(subtitle)
+ return subtitles