3 from .common import InfoExtractor
13 class SubtitlesIE(InfoExtractor):
15 def report_video_subtitles_available(self, video_id, sub_lang_list):
16 """Report available subtitles."""
17 sub_lang = ",".join(list(sub_lang_list.keys()))
18 self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang))
20 def _list_available_subtitles(self, video_id):
21 sub_lang_list = self._get_available_subtitles(video_id)
22 self.report_video_subtitles_available(video_id, sub_lang_list)
24 def _extract_subtitles(self, video_id):
26 Return a dictionary: {language: subtitles} or {} if the subtitles
29 sub_lang_list = self._get_available_subtitles(video_id)
30 sub_format = self._downloader.params.get('subtitlesformat')
31 if not sub_lang_list: #There was some error, it didn't get the available subtitles
33 if self._downloader.params.get('writesubtitles', False):
34 if self._downloader.params.get('subtitleslang', False):
35 sub_lang = self._downloader.params.get('subtitleslang')
36 elif 'en' in sub_lang_list:
39 sub_lang = list(sub_lang_list.keys())[0]
40 if not sub_lang in sub_lang_list:
41 self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang)
43 sub_lang_list = {sub_lang: sub_lang_list[sub_lang]}
45 for sub_lang in sub_lang_list:
46 subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
48 subtitles[sub_lang] = subtitle
51 def _request_subtitle(self, sub_lang, sub_name, video_id, format):
52 """ Return the subtitle as a string or None if they are not found """
53 # return (u'Did not fetch video subtitles for %s' % sub_lang, None, None)
54 self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
55 url = self._get_subtitle_url(sub_lang, sub_name, video_id, format)
57 sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
58 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
59 self._downloader.report_warning(u'unable to download video subtitles for %s: %s' % (sub_lang, compat_str(err)))
62 self._downloader.report_warning(u'Did not fetch video subtitles')
66 def _get_available_subtitles(self, video_id):
67 """Get available subtitles. Redefine in subclasses."""
68 """returns {(lang, url)} """
72 def _get_subtitle_url(self, sub_lang, sub_name, video_id, format):
73 """returns the url for the given subtitle. Redefine in subclasses."""
76 def _request_automatic_caption(self, video_id, webpage):
77 """Request automatic caption. Redefine in subclasses."""
78 """returns a tuple of ... """
79 # return [(err_msg, None, None)]