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@ -423,7 +423,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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elif len(s) == 87: |
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return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:] |
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elif len(s) == 86: |
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return s[5:20] + s[2] + s[21:] |
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return s[5:40] + s[3] + s[41:48] + s[0] + s[49:86] |
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elif len(s) == 85: |
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return s[83:34:-1] + s[0] + s[33:27:-1] + s[3] + s[26:19:-1] + s[34] + s[18:3:-1] + s[27] |
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elif len(s) == 84: |
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@ -434,6 +434,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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return s[1:19] + s[0] + s[20:68] + s[19] + s[69:82] |
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elif len(s) == 81: |
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return s[56] + s[79:56:-1] + s[41] + s[55:41:-1] + s[80] + s[40:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9] |
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elif len(s) == 80: |
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return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80] |
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elif len(s) == 79: |
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return s[54] + s[77:54:-1] + s[39] + s[53:39:-1] + s[78] + s[38:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9] |
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@ -456,11 +458,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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try: |
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sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8') |
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: |
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return (u'unable to download video subtitles: %s' % compat_str(err), None) |
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self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err)) |
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return {} |
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sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) |
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sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list) |
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if not sub_lang_list: |
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return (u'video doesn\'t have subtitles', None) |
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self._downloader.report_warning(u'video doesn\'t have subtitles') |
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return {} |
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return sub_lang_list |
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def _list_available_subtitles(self, video_id): |
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@ -469,8 +473,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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def _request_subtitle(self, sub_lang, sub_name, video_id, format): |
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""" |
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Return tuple: |
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(error_message, sub_lang, sub) |
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Return the subtitle as a string or None if they are not found |
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""" |
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self.report_video_subtitles_request(video_id, sub_lang, format) |
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params = compat_urllib_parse.urlencode({ |
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@ -483,21 +486,24 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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try: |
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sub = compat_urllib_request.urlopen(url).read().decode('utf-8') |
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: |
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return (u'unable to download video subtitles: %s' % compat_str(err), None, None) |
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self._downloader.report_warning(u'unable to download video subtitles for %s: %s' % (sub_lang, compat_str(err))) |
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return |
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if not sub: |
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return (u'Did not fetch video subtitles', None, None) |
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return (None, sub_lang, sub) |
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self._downloader.report_warning(u'Did not fetch video subtitles') |
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return |
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return sub |
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def _request_automatic_caption(self, video_id, webpage): |
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"""We need the webpage for getting the captions url, pass it as an |
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argument to speed up the process.""" |
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sub_lang = self._downloader.params.get('subtitleslang') or 'en' |
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sub_lang = (self._downloader.params.get('subtitleslangs') or ['en'])[0] |
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sub_format = self._downloader.params.get('subtitlesformat') |
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self.to_screen(u'%s: Looking for automatic captions' % video_id) |
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mobj = re.search(r';ytplayer.config = ({.*?});', webpage) |
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err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang |
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if mobj is None: |
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return [(err_msg, None, None)] |
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self._downloader.report_warning(err_msg) |
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return {} |
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player_config = json.loads(mobj.group(1)) |
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try: |
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args = player_config[u'args'] |
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@ -512,40 +518,43 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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}) |
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subtitles_url = caption_url + '&' + params |
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sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions') |
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return [(None, sub_lang, sub)] |
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except KeyError: |
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return [(err_msg, None, None)] |
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def _extract_subtitle(self, video_id): |
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return {sub_lang: sub} |
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# An extractor error can be raise by the download process if there are |
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# no automatic captions but there are subtitles |
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except (KeyError, ExtractorError): |
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self._downloader.report_warning(err_msg) |
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return {} |
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def _extract_subtitles(self, video_id): |
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""" |
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Return a list with a tuple: |
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[(error_message, sub_lang, sub)] |
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Return a dictionary: {language: subtitles} or {} if the subtitles |
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couldn't be found |
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""" |
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sub_lang_list = self._get_available_subtitles(video_id) |
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available_subs_list = self._get_available_subtitles(video_id) |
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sub_format = self._downloader.params.get('subtitlesformat') |
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if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles |
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return [(sub_lang_list[0], None, None)] |
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if self._downloader.params.get('subtitleslang', False): |
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sub_lang = self._downloader.params.get('subtitleslang') |
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elif 'en' in sub_lang_list: |
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sub_lang = 'en' |
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if not available_subs_list: #There was some error, it didn't get the available subtitles |
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return {} |
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if self._downloader.params.get('allsubtitles', False): |
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sub_lang_list = available_subs_list |
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else: |
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sub_lang = list(sub_lang_list.keys())[0] |
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if not sub_lang in sub_lang_list: |
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return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)] |
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subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) |
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return [subtitle] |
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def _extract_all_subtitles(self, video_id): |
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sub_lang_list = self._get_available_subtitles(video_id) |
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sub_format = self._downloader.params.get('subtitlesformat') |
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if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles |
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return [(sub_lang_list[0], None, None)] |
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subtitles = [] |
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if self._downloader.params.get('subtitleslangs', False): |
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reqested_langs = self._downloader.params.get('subtitleslangs') |
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elif 'en' in available_subs_list: |
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reqested_langs = ['en'] |
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else: |
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reqested_langs = [list(available_subs_list.keys())[0]] |
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sub_lang_list = {} |
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for sub_lang in reqested_langs: |
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if not sub_lang in available_subs_list: |
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self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang) |
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continue |
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sub_lang_list[sub_lang] = available_subs_list[sub_lang] |
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subtitles = {} |
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for sub_lang in sub_lang_list: |
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subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) |
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subtitles.append(subtitle) |
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if subtitle: |
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subtitles[sub_lang] = subtitle |
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return subtitles |
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def _print_formats(self, formats): |
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@ -736,25 +745,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor): |
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# subtitles |
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video_subtitles = None |
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if self._downloader.params.get('writesubtitles', False): |
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video_subtitles = self._extract_subtitle(video_id) |
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if video_subtitles: |
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(sub_error, sub_lang, sub) = video_subtitles[0] |
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if sub_error: |
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self._downloader.report_warning(sub_error) |
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if self._downloader.params.get('writeautomaticsub', False): |
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if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False): |
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video_subtitles = self._extract_subtitles(video_id) |
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elif self._downloader.params.get('writeautomaticsub', False): |
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video_subtitles = self._request_automatic_caption(video_id, video_webpage) |
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(sub_error, sub_lang, sub) = video_subtitles[0] |
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if sub_error: |
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self._downloader.report_warning(sub_error) |
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if self._downloader.params.get('allsubtitles', False): |
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video_subtitles = self._extract_all_subtitles(video_id) |
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for video_subtitle in video_subtitles: |
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(sub_error, sub_lang, sub) = video_subtitle |
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if sub_error: |
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self._downloader.report_warning(sub_error) |
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if self._downloader.params.get('listsubtitles', False): |
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self._list_available_subtitles(video_id) |
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Allan Zhou
11 years ago