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[jsinterp] Fix escape in regex

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This commit is contained in:
pukkandan
2022-09-01 13:14:04 +05:30
parent b505e8517a
commit 05deb747bb
4 changed files with 16 additions and 6 deletions
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2
yt_dlp/extractor/youtube.py
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@@ -2702,7 +2702,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_n_function_code(self, video_id, player_url):
player_id = self._extract_player_info(player_url)
func_code = self.cache.load('youtube-nsig', player_id, min_ver='2022.08.19.2')
func_code = self.cache.load('youtube-nsig', player_id, min_ver='2022.09.1')
jscode = func_code or self._load_player(video_id, player_url)
jsi = JSInterpreter(jscode)

11
yt_dlp/jsinterp.py
View File

@@ -245,11 +245,12 @@ class JSInterpreter:
counters[_MATCHING_PARENS[char]] += 1
elif not in_quote and char in counters:
counters[char] -= 1
elif not escaping and char in _QUOTES and in_quote in (char, None):
if in_quote or after_op or char != '/':
in_quote = None if in_quote and not in_regex_char_group else char
elif in_quote == '/' and char in '[]':
in_regex_char_group = char == '['
elif not escaping:
if char in _QUOTES and in_quote in (char, None):
if in_quote or after_op or char != '/':
in_quote = None if in_quote and not in_regex_char_group else char
elif in_quote == '/' and char in '[]':
in_regex_char_group = char == '['
escaping = not escaping and in_quote and char == '\\'
after_op = not in_quote and char in OP_CHARS or (char.isspace() and after_op)