[Python-Dev] bytes thoughts

Christos Georgiou tzot at mediconsa.com
Thu Mar 16 14:08:33 CET 2006


"Greg Ewing" <greg.ewing at canterbury.ac.nz> wrote in message
news:440669B9.3000609 at canterbury.ac.nz...
> Baptiste Carvello wrote:
>
[Baptiste]
>> while manipulating binary data will happen mostly with bytes objects,
>> some
>> operations are better done with ints, like the bit manipulations with the
>> &|~^
>> operators.

[Greg]
> Why not just support bitwise operations directly
> on the bytes object?

Well, what's the result of

bytes([1,0,0])^ bytes([1,0])

?  Is it bytes([0,0,0]) (à la little-endian) or is it bytes([1,1,0])
(straight conversion to base-256)?  Or perhaps throw a ValueError if the 
sizes differ?

These details should be considered in the PEP.




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