SilentGhost <ghost....@gmail.com> added the comment:
James, I think the setup statement should have been:
"import re\ndef escape(s):\n return re.sub(r'([][.^$*+?{}\\|()])', r'\\\1',
s)")"
note the raw string literals.
The timings that I got after applying file20388
(http://bugs.python.org/file20388/issue2650.diff) were:
>PCbuild\python.exe -m timeit -s "import re, string"
>"re.escape(string.printable)"
10000 loops, best of 3: 63.3 usec per loop
>python.exe -m timeit -s "import re, string" "re.escape(string.printable)"
100000 loops, best of 3: 19.3 usec per loop
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