[youtube] move subtitles methods from the base extractor to YoutubeIE
Jaime Marquínez Ferrándiz
parent
f8e52269c1
commit
de7f3446e0
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@ -24,7 +24,7 @@ from ..utils import (
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orderedSet,
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)
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class YoutubeBaseInfoExtractor(SubtitlesIE):
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class YoutubeBaseInfoExtractor(InfoExtractor):
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"""Provide base functions for Youtube extractors"""
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_LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
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_LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
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@ -131,63 +131,8 @@ class YoutubeBaseInfoExtractor(SubtitlesIE):
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return
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self._confirm_age()
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def _get_available_subtitles(self, 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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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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self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
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return {}
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lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
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sub_lang_list = {}
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for l in lang_list:
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lang = l[1]
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params = compat_urllib_parse.urlencode({
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'lang': lang,
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'v': video_id,
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'fmt': self._downloader.params.get('subtitlesformat'),
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})
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url = u'http://www.youtube.com/api/timedtext?' + params
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sub_lang_list[lang] = url
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if not sub_lang_list:
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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 _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('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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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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caption_url = args[u'ttsurl']
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timestamp = args[u'timestamp']
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params = compat_urllib_parse.urlencode({
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'lang': 'en',
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'tlang': sub_lang,
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'fmt': sub_format,
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'ts': timestamp,
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'kind': 'asr',
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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 {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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class YoutubeIE(YoutubeBaseInfoExtractor):
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class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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IE_DESC = u'YouTube.com'
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_VALID_URL = r"""^
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(
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@ -508,6 +453,62 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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# Fallback to the other algortihms
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return self._decrypt_signature(s)
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def _get_available_subtitles(self, 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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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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self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
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return {}
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lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
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sub_lang_list = {}
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for l in lang_list:
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lang = l[1]
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params = compat_urllib_parse.urlencode({
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'lang': lang,
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'v': video_id,
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'fmt': self._downloader.params.get('subtitlesformat'),
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})
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url = u'http://www.youtube.com/api/timedtext?' + params
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sub_lang_list[lang] = url
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if not sub_lang_list:
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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 _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('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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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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caption_url = args[u'ttsurl']
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timestamp = args[u'timestamp']
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params = compat_urllib_parse.urlencode({
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'lang': 'en',
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'tlang': sub_lang,
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'fmt': sub_format,
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'ts': timestamp,
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'kind': 'asr',
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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 {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 _print_formats(self, formats):
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print('Available formats:')
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for x in formats:
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