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check live chat replay existence

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This commit is contained in:
siikamiika 2020-08-05 03:30:10 +03:00
parent a78e3a5795
commit 321bf820c5
2 changed files with 33 additions and 13 deletions
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7
youtube_dl/YoutubeDL.py
View file

@ -1838,10 +1838,11 @@ class YoutubeDL(object):
return
else:
try:
# TODO does this transfer session...?
# TODO exceptions
dl(sub_filename, sub_info)
except (ExtractorError, IOError, OSError, ValueError) as err:
except (
ExtractorError, IOError, OSError, ValueError,
compat_urllib_error.URLError,
compat_http_client.HTTPException, socket.error) as err:
self.report_warning('Unable to download subtitle for "%s": %s' %
(sub_lang, error_to_compat_str(err)))
continue

39
youtube_dl/extractor/youtube.py
View file

@ -1435,7 +1435,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
raise ExtractorError(
'Signature extraction failed: ' + tb, cause=e)
def _get_subtitles(self, video_id, webpage):
def _get_subtitles(self, video_id, webpage, is_live_content):
try:
subs_doc = self._download_xml(
'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
@ -1462,14 +1462,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
'ext': ext,
})
sub_lang_list[lang] = sub_formats
# TODO check that live chat replay actually exists
sub_lang_list['live_chat'] = [
{
'video_id': video_id,
'ext': 'json',
'protocol': 'youtube_live_chat_replay',
},
]
if is_live_content:
sub_lang_list['live_chat'] = [
{
'video_id': video_id,
'ext': 'json',
'protocol': 'youtube_live_chat_replay',
},
]
if not sub_lang_list:
self._downloader.report_warning('video doesn\'t have subtitles')
return {}
@ -1493,6 +1493,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
return self._parse_json(
uppercase_escape(config), video_id, fatal=False)
def _get_yt_initial_data(self, video_id, webpage):
config = self._search_regex(
r'window\["ytInitialData"\]\s*=\s*(.*);',
webpage, 'ytInitialData', default=None)
if config:
return self._parse_json(
uppercase_escape(config), video_id, fatal=False)
def _get_automatic_captions(self, video_id, webpage):
"""We need the webpage for getting the captions url, pass it as an
argument to speed up the process."""
@ -1992,6 +2000,16 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
if is_live is None:
is_live = bool_or_none(video_details.get('isLive'))
has_live_chat_replay = False
is_live_content = bool_or_none(video_details.get('isLiveContent'))
if not is_live and is_live_content:
yt_initial_data = self._get_yt_initial_data(video_id, video_webpage)
try:
yt_initial_data['contents']['twoColumnWatchNextResults']['conversationBar']['liveChatRenderer']['continuations'][0]['reloadContinuationData']['continuation']
has_live_chat_replay = True
except (KeyError, IndexError):
pass
# Check for "rental" videos
if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
@ -2399,7 +2417,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
# subtitles
video_subtitles = self.extract_subtitles(video_id, video_webpage)
video_subtitles = self.extract_subtitles(
video_id, video_webpage, has_live_chat_replay)
automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
video_duration = try_get(