2to3 used in the Shootout

Terry Reedy tjreedy at udel.edu
Tue Dec 23 23:07:16 CET 2008


bearophileHUGS at lycos.com wrote:
> They have translated the Python benchmarks of the Shootout site from
> Py2 to Py3 using 2to3:
> 
> http://shootout.alioth.debian.org/u32/benchmark.php?test=all&lang=python3
> 
> It shows some "performance bugs" of Python3 itself (especially
> regarding the binary-trees benchmark, that was unexpected by me), and
> two points where 2to3 may be improved, for example after the
> translation this gives error:
>          table=string.maketrans('ACBDGHK\nMNSRUTWVYacbdghkmnsrutwvy',
>                                 'TGVHCDM
> \nKNSYAAWBRTGVHCDMKNSYAAWBR')):
> 
> Gives:
> TypeError: maketrans arguments must be bytes objects

Perhaps you could file a tracker item.




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