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Viewing changes to Lib/test/crashers/infinite_loop_re.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Lib/test/crashers/infinite_loop_re.py
 
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# This was taken from http://python.org/sf/1541697
 
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# It's not technically a crasher.  It may not even truly be infinite,
 
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# however, I haven't waited a long time to see the result.  It takes
 
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# 100% of CPU while running this and should be fixed.
 
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import re
 
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starttag = re.compile(r'<[a-zA-Z][-_.:a-zA-Z0-9]*\s*('
 
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        r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)(\s*=\s*'
 
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        r'(\'[^\']*\'|"[^"]*"|[-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~@]'
 
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        r'[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*(?=[\s>/<])))?'
 
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    r')*\s*/?\s*(?=[<>])')
 
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if __name__ == '__main__':
 
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    foo = '<table cellspacing="0" cellpadding="0" style="border-collapse'
 
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    starttag.match(foo)