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[youtube] Detect when Mixes end or wrap around

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pukkandan 2021-03-07 10:54:54 +05:30
parent 26fe8ffed0
commit 2be71994c0
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1 changed files with 13 additions and 8 deletions
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21
yt_dlp/extractor/youtube.py
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@ -2961,19 +2961,24 @@ def _extract_from_tabs(self, item_id, webpage, data, tabs):
**metadata)
def _extract_mix_playlist(self, playlist, playlist_id):
page_num = 0
while True:
first_id = last_id = None
for page_num in itertools.count(1):
videos = list(self._playlist_entries(playlist))
if not videos:
return
video_count = len(videos)
start = min(video_count - 24, 26) if video_count > 25 else 0
for item in videos[start:]:
yield item
start = next((i for i, v in enumerate(videos) if v['id'] == last_id), -1) + 1
if start >= len(videos):
return
for video in videos[start:]:
if video['id'] == first_id:
self.to_screen('First video %s found again; Assuming end of Mix' % first_id)
return
yield video
first_id = first_id or videos[0]['id']
last_id = videos[-1]['id']
page_num += 1
_, data = self._extract_webpage(
'https://www.youtube.com/watch?list=%s&v=%s' % (playlist_id, videos[-1]['id']),
'https://www.youtube.com/watch?list=%s&v=%s' % (playlist_id, last_id),
'%s page %d' % (playlist_id, page_num))
playlist = try_get(
data, lambda x: x['contents']['twoColumnWatchNextResults']['playlist']['playlist'], dict)