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@ -216,6 +216,10 @@ class YoutubeIE(InfoExtractor):
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"""Report attempt to download video info webpage."""
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"""Report attempt to download video info webpage."""
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self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id)
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self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id)
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def report_video_subtitles_request(self, video_id, lang):
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"""Report attempt to download video info webpage."""
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self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles for lang: %s' % (video_id,lang))
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def report_information_extraction(self, video_id):
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def report_information_extraction(self, video_id):
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"""Report attempt to extract video information."""
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"""Report attempt to extract video information."""
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self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
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self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
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@ -228,9 +232,7 @@ class YoutubeIE(InfoExtractor):
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"""Indicate the download will use the RTMP protocol."""
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"""Indicate the download will use the RTMP protocol."""
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self._downloader.to_screen(u'[youtube] RTMP download detected')
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self._downloader.to_screen(u'[youtube] RTMP download detected')
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def _get_available_subtitles(self, video_id):
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def _extract_subtitles(self, video_id):
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self.report_video_subtitles_download(video_id)
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request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
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request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
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try:
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try:
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srt_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
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srt_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
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@ -240,19 +242,15 @@ class YoutubeIE(InfoExtractor):
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srt_lang_list = dict((l[1], l[0]) for l in srt_lang_list)
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srt_lang_list = dict((l[1], l[0]) for l in srt_lang_list)
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if not srt_lang_list:
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if not srt_lang_list:
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return (u'WARNING: video has no closed captions', None)
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return (u'WARNING: video has no closed captions', None)
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if self._downloader.params.get('subtitleslang', False):
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return srt_lang_list
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srt_lang = self._downloader.params.get('subtitleslang')
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elif 'en' in srt_lang_list:
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def _request_subtitle(self, str_lang, str_name, video_id, format = 'srt'):
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srt_lang = 'en'
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self.report_video_subtitles_request(video_id, str_lang)
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else:
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srt_lang = list(srt_lang_list.keys())[0]
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if not srt_lang in srt_lang_list:
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return (u'WARNING: no closed captions found in the specified language "%s"' % srt_lang, None)
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params = compat_urllib_parse.urlencode({
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params = compat_urllib_parse.urlencode({
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'lang': srt_lang,
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'lang': str_lang,
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'name': srt_lang_list[srt_lang].encode('utf-8'),
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'name': str_name,
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'v': video_id,
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'v': video_id,
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'fmt': 'srt',
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'fmt': format,
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})
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})
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url = 'http://www.youtube.com/api/timedtext?' + params
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url = 'http://www.youtube.com/api/timedtext?' + params
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try:
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try:
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@ -261,7 +259,32 @@ class YoutubeIE(InfoExtractor):
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return (u'WARNING: unable to download video subtitles: %s' % compat_str(err), None)
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return (u'WARNING: unable to download video subtitles: %s' % compat_str(err), None)
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if not srt:
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if not srt:
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return (u'WARNING: Did not fetch video subtitles', None)
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return (u'WARNING: Did not fetch video subtitles', None)
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return (None, srt)
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return (None, str_lang, srt)
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def _extract_subtitle(self, video_id):
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self.report_video_subtitles_download(video_id)
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srt_lang_list = self._get_available_subtitles(video_id)
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if self._downloader.params.get('subtitleslang', False):
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srt_lang = self._downloader.params.get('subtitleslang')
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elif 'en' in srt_lang_list:
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srt_lang = 'en'
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else:
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srt_lang = list(srt_lang_list.keys())[0]
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if not srt_lang in srt_lang_list:
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return (u'WARNING: no closed captions found in the specified language "%s"' % srt_lang, None)
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sub = self._request_subtitle(srt_lang, srt_lang_list[srt_lang].encode('utf-8'), video_id)
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return [sub]
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def _extract_all_subtitles(self, video_id):
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self.report_video_subtitles_download(video_id)
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srt_lang_list = self._get_available_subtitles(video_id)
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subs = []
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for srt_lang in srt_lang_list:
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sub = self._request_subtitle(srt_lang, srt_lang_list[srt_lang].encode('utf-8'), video_id)
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subs.append(sub)
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return subs
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def _print_formats(self, formats):
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def _print_formats(self, formats):
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print('Available formats:')
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print('Available formats:')
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@ -484,14 +507,20 @@ class YoutubeIE(InfoExtractor):
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# closed captions
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# closed captions
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video_subtitles = None
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video_subtitles = None
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if self._downloader.params.get('subtitleslang', False):
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self._downloader.params['writesubtitles'] = True
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if self._downloader.params.get('onlysubtitles', False):
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self._downloader.params['writesubtitles'] = True
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if self._downloader.params.get('writesubtitles', False):
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if self._downloader.params.get('writesubtitles', False):
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(srt_error, video_subtitles) = self._extract_subtitles(video_id)
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video_subtitles = self._extract_subtitle(video_id)
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if srt_error:
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if video_subtitles:
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self._downloader.trouble(srt_error)
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(srt_error, srt_lang, srt) = video_subtitles[0]
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if srt_error:
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self._downloader.trouble(srt_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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(srt_error, srt_lang, srt) = video_subtitle
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if srt_error:
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self._downloader.trouble(srt_error)
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if 'length_seconds' not in video_info:
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if 'length_seconds' not in video_info:
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self._downloader.trouble(u'WARNING: unable to extract video duration')
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self._downloader.trouble(u'WARNING: unable to extract video duration')
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