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[YouTube] Delete cached problem nsig cache data on descrambling error

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* inspired by yt-dlp/yt-dlp#12750
This commit is contained in:
dirkf 2025-05-02 13:38:32 +01:00
parent 3a42f6ad37
commit 4a31290ae1
1 changed files with 9 additions and 1 deletions
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10
youtube_dl/extractor/youtube.py
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@ -1696,6 +1696,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
self.cache.store(cache_id[0], cache_id[1], data)
self._player_cache[cache_id] = data
def _remove_player_data_from_cache(self, name, player_url, extra_id=None):
cache_id = ('youtube-{0}'.format(name), self._player_js_cache_key(player_url, extra_id))
if cache_id in self._player_cache:
self.cache.clear(*cache_id)
self._player_cache.pop(cache_id, None)
def _extract_signature_function(self, video_id, player_url, example_sig):
# player_id = self._extract_player_info(player_url)
@ -1989,7 +1996,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
n_param = n_param[-1]
n_response = decrypt_nsig(n_param)(n_param, video_id, player_url)
if n_response is None:
# give up if descrambling failed
# give up and forget cached data if descrambling failed
self._remove_player_data_from_cache('nsig', player_url)
break
fmt['url'] = update_url_query(fmt['url'], {'n': n_response})