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Use initial data from JS instead to get chapters 

There are probably a lot more useful data in there.
This commit is contained in:
George Schizas 2020-08-11 12:20:47 +03:00
parent a4ed50bb84
commit edd83104b4
1 changed files with 4 additions and 10 deletions
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14
youtube_dl/extractor/youtube.py
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@ -1661,21 +1661,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_chapters_from_json(self, webpage, video_id, duration):
if not webpage:
return
player = self._parse_json(
initial_data = self._parse_json(
self._search_regex(
r'RELATED_PLAYER_ARGS["\']\s*:\s*({.+})\s*,?\s*\n', webpage,
r'window\["ytInitialData"\] = (.+);\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):
if not initial_data or not isinstance(initial_data, dict):
return
chapters_list = try_get(
response,
initial_data,
lambda x: x['playerOverlays']
['playerOverlayRenderer']
['decoratedPlayerBarRenderer']