import re
import socket
import itertools
+import xml.etree.ElementTree
from .common import InfoExtractor, SearchInfoExtractor
-from .subtitles import SubtitlesIE
+from .subtitles import SubtitlesInfoExtractor
from ..utils import (
compat_http_client,
compat_parse_qs,
orderedSet,
)
-class YoutubeBaseInfoExtractor(SubtitlesIE):
+class YoutubeBaseInfoExtractor(InfoExtractor):
"""Provide base functions for Youtube extractors"""
_LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
_LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
return
self._confirm_age()
- def _get_available_subtitles(self, video_id):
- request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
- try:
- sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
- return {}
- lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
-
- sub_lang_list = {}
- for l in lang_list:
- lang = l[1]
- params = compat_urllib_parse.urlencode({
- 'lang': lang,
- 'v': video_id,
- 'fmt': self._downloader.params.get('subtitlesformat'),
- })
- url = u'http://www.youtube.com/api/timedtext?' + params
- sub_lang_list[lang] = url
- if not sub_lang_list:
- self._downloader.report_warning(u'video doesn\'t have subtitles')
- return {}
- return sub_lang_list
-
- def _request_automatic_caption(self, video_id, webpage):
- """We need the webpage for getting the captions url, pass it as an
- argument to speed up the process."""
- sub_lang = (self._downloader.params.get('subtitleslangs') or ['en'])[0]
- sub_format = self._downloader.params.get('subtitlesformat')
- self.to_screen(u'%s: Looking for automatic captions' % video_id)
- mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
- err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang
- if mobj is None:
- self._downloader.report_warning(err_msg)
- return {}
- player_config = json.loads(mobj.group(1))
- try:
- args = player_config[u'args']
- caption_url = args[u'ttsurl']
- timestamp = args[u'timestamp']
- params = compat_urllib_parse.urlencode({
- 'lang': 'en',
- 'tlang': sub_lang,
- 'fmt': sub_format,
- 'ts': timestamp,
- 'kind': 'asr',
- })
- subtitles_url = caption_url + '&' + params
- sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions')
- return {sub_lang: sub}
- # An extractor error can be raise by the download process if there are
- # no automatic captions but there are subtitles
- except (KeyError, ExtractorError):
- self._downloader.report_warning(err_msg)
- return {}
-class YoutubeIE(YoutubeBaseInfoExtractor):
+class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
IE_DESC = u'YouTube.com'
_VALID_URL = r"""^
(
elif len(s) == 83:
return s[81:64:-1] + s[82] + s[63:52:-1] + s[45] + s[51:45:-1] + s[1] + s[44:1:-1] + s[0]
elif len(s) == 82:
- return s[1:19] + s[0] + s[20:68] + s[19] + s[69:82]
+ return s[80:73:-1] + s[81] + s[72:54:-1] + s[2] + s[53:43:-1] + s[0] + s[42:2:-1] + s[43] + s[1] + s[54]
elif len(s) == 81:
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]
elif len(s) == 80:
# Fallback to the other algortihms
return self._decrypt_signature(s)
+ def _get_available_subtitles(self, video_id):
+ try:
+ sub_list = self._download_webpage(
+ 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
+ video_id, note=False)
+ except ExtractorError as err:
+ self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
+ return {}
+ lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
+
+ sub_lang_list = {}
+ for l in lang_list:
+ lang = l[1]
+ params = compat_urllib_parse.urlencode({
+ 'lang': lang,
+ 'v': video_id,
+ 'fmt': self._downloader.params.get('subtitlesformat'),
+ })
+ url = u'http://www.youtube.com/api/timedtext?' + params
+ sub_lang_list[lang] = url
+ if not sub_lang_list:
+ self._downloader.report_warning(u'video doesn\'t have subtitles')
+ return {}
+ return sub_lang_list
+
+ def _get_available_automatic_caption(self, video_id, webpage):
+ """We need the webpage for getting the captions url, pass it as an
+ argument to speed up the process."""
+ sub_format = self._downloader.params.get('subtitlesformat')
+ self.to_screen(u'%s: Looking for automatic captions' % video_id)
+ mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
+ err_msg = u'Couldn\'t find automatic captions for %s' % video_id
+ if mobj is None:
+ self._downloader.report_warning(err_msg)
+ return {}
+ player_config = json.loads(mobj.group(1))
+ try:
+ args = player_config[u'args']
+ caption_url = args[u'ttsurl']
+ timestamp = args[u'timestamp']
+ # We get the available subtitles
+ list_params = compat_urllib_parse.urlencode({
+ 'type': 'list',
+ 'tlangs': 1,
+ 'asrs': 1,
+ })
+ list_url = caption_url + '&' + list_params
+ list_page = self._download_webpage(list_url, video_id)
+ caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8'))
+ original_lang_node = caption_list.find('track')
+ if original_lang_node.attrib.get('kind') != 'asr' :
+ self._downloader.report_warning(u'Video doesn\'t have automatic captions')
+ return {}
+ original_lang = original_lang_node.attrib['lang_code']
+
+ sub_lang_list = {}
+ for lang_node in caption_list.findall('target'):
+ sub_lang = lang_node.attrib['lang_code']
+ params = compat_urllib_parse.urlencode({
+ 'lang': original_lang,
+ 'tlang': sub_lang,
+ 'fmt': sub_format,
+ 'ts': timestamp,
+ 'kind': 'asr',
+ })
+ sub_lang_list[sub_lang] = caption_url + '&' + params
+ return sub_lang_list
+ # An extractor error can be raise by the download process if there are
+ # no automatic captions but there are subtitles
+ except (KeyError, ExtractorError):
+ self._downloader.report_warning(err_msg)
+ return {}
+
def _print_formats(self, formats):
print('Available formats:')
for x in formats:
video_description = u''
# subtitles
- video_subtitles = None
-
- if self._downloader.params.get('writesubtitles', False) or self._downloader.params.get('allsubtitles', False):
- video_subtitles = self._extract_subtitles(video_id)
- elif self._downloader.params.get('writeautomaticsub', False):
- video_subtitles = self._request_automatic_caption(video_id, video_webpage)
+ video_subtitles = self.extract_subtitles(video_id, video_webpage)
if self._downloader.params.get('listsubtitles', False):
- self._list_available_subtitles(video_id)
+ self._list_available_subtitles(video_id, video_webpage)
return
if 'length_seconds' not in video_info:
projects / youtube-dl / blobdiff