[youtube] Fix chapters extraction (closes #26005)

This commit is contained in:
Sergey M․ 2020-11-17 04:28:35 +07:00
parent b92e95aa01
commit 7d509c613b
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@ -1465,21 +1465,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_chapters_from_json(self, webpage, video_id, duration):
if not webpage:
return
player = self._parse_json(
self._search_regex(
r'RELATED_PLAYER_ARGS["\']\s*:\s*({.+})\s*,?\s*\n', webpage,
'player args', default='{}'),
video_id, fatal=False)
if not player or not isinstance(player, dict):
return
watch_next_response = player.get('watch_next_response')
if not isinstance(watch_next_response, compat_str):
return
response = self._parse_json(watch_next_response, video_id, fatal=False)
if not response or not isinstance(response, dict):
data = self._extract_yt_initial_data(video_id, webpage)
if not data or not isinstance(data, dict):
return
chapters_list = try_get(
response,
data,
lambda x: x['playerOverlays']
['playerOverlayRenderer']
['decoratedPlayerBarRenderer']