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- #youtube_dl/extractor/youtube.py: The js/swf sig parsers
- #ln=\z
- def _parse_sig_js(self, jscode):
- funcname = self._search_regex(
- (r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
- r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\('),
- jscode, 'Initial JS player signature function name', group='sig')
- jsi = JSInterpreter(jscode)
- initial_function = jsi.extract_function(funcname)
- return lambda s: initial_function([s])
- def _parse_sig_swf(self, file_contents):
- swfi = SWFInterpreter(file_contents)
- TARGET_CLASSNAME = 'SignatureDecipher'
- searched_class = swfi.extract_class(TARGET_CLASSNAME)
- initial_function = swfi.extract_function(searched_class, 'decipher')
- return lambda s: initial_function([s])
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