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[test] Fix test_youtube_signature

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This commit is contained in:
pukkandan
2022-08-21 00:51:03 +05:30
parent 0a6b4b82e9
commit 90a1df305b
2 changed files with 16 additions and 9 deletions
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4
test/test_youtube_signature.py
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@@ -110,6 +110,10 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js',
'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw', 'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw',
), ),
(
'https://www.youtube.com/s/player/009f1d77/player_ias.vflset/en_US/base.js',
'5dwFHw8aFWQUQtffRq', 'audescmLUzI3jw',
),
] ]

21
yt_dlp/extractor/youtube.py
View File

@@ -2646,6 +2646,17 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
self.write_debug(f'Decrypted nsig {s} => {ret}') self.write_debug(f'Decrypted nsig {s} => {ret}')
return ret return ret
def _extract_n_function_name(self, jscode):
funcname, idx = self._search_regex(
r'\.get\("n"\)\)&&\(b=(?P<nfunc>[a-zA-Z0-9$]+)(?:\[(?P<idx>\d+)\])?\([a-zA-Z0-9]\)',
jscode, 'Initial JS player n function name', group=('nfunc', 'idx'))
if not idx:
return funcname
return json.loads(js_to_json(self._search_regex(
rf'var {re.escape(funcname)}\s*=\s*(\[.+?\]);', jscode,
f'Initial JS player n function list ({funcname}.{idx})')))[int(idx)]
def _extract_n_function_code(self, video_id, player_url): def _extract_n_function_code(self, video_id, player_url):
player_id = self._extract_player_info(player_url) player_id = self._extract_player_info(player_url)
func_code = self.cache.load('youtube-nsig', player_id) func_code = self.cache.load('youtube-nsig', player_id)
@@ -2655,15 +2666,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
if func_code: if func_code:
return jsi, player_id, func_code return jsi, player_id, func_code
funcname, idx = self._search_regex( func_code = jsi.extract_function_code(self._extract_n_function_name(jscode))
r'\.get\("n"\)\)&&\(b=(?P<nfunc>[a-zA-Z0-9$]+)(?:\[(?P<idx>\d+)\])?\([a-zA-Z0-9]\)',
jscode, 'Initial JS player n function name', group=('nfunc', 'idx'))
if idx:
funcname = json.loads(js_to_json(self._search_regex(
rf'var {re.escape(funcname)}\s*=\s*(\[.+?\]);', jscode,
f'Initial JS player n function list ({funcname}.{idx})')))[int(idx)]
func_code = jsi.extract_function_code(funcname)
self.cache.store('youtube-nsig', player_id, func_code) self.cache.store('youtube-nsig', player_id, func_code)
return jsi, player_id, func_code return jsi, player_id, func_code