class SubtitlesInfoExtractor(InfoExtractor):
+ @property
+ def _have_to_download_any_subtitles(self):
+ return any([self._downloader.params.get('writesubtitles', False),
+ self._downloader.params.get('writeautomaticsub')])
- def _list_available_subtitles(self, video_id):
+ def _list_available_subtitles(self, video_id, webpage=None):
""" outputs the available subtitles for the video """
sub_lang_list = self._get_available_subtitles(video_id)
+ auto_captions_list = self._get_available_automatic_caption(video_id, webpage)
sub_lang = ",".join(list(sub_lang_list.keys()))
self.to_screen(u'%s: Available subtitles for video: %s' %
(video_id, sub_lang))
+ auto_lang = ",".join(auto_captions_list.keys())
+ self.to_screen(u'%s: Available automatic captions for video: %s' %
+ (video_id, auto_lang))
def extract_subtitles(self, video_id, video_webpage=None):
- """ returns {sub_lang: sub} or {} if subtitles not found """
- if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False):
- available_subs_list = self._get_available_subtitles(video_id)
- elif self._downloader.params.get('writeautomaticsub', False):
- available_subs_list = self._get_available_automatic_caption(video_id, video_webpage)
- else:
+ """
+ returns {sub_lang: sub} ,{} if subtitles not found or None if the
+ subtitles aren't requested.
+ """
+ if not self._have_to_download_any_subtitles:
return None
+ available_subs_list = {}
+ if self._downloader.params.get('writeautomaticsub', False):
+ available_subs_list.update(self._get_available_automatic_caption(video_id, video_webpage))
+ if self._downloader.params.get('writesubtitles', False):
+ available_subs_list.update(self._get_available_subtitles(video_id))
if not available_subs_list: # error, it didn't get the available subtitles
return {}