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[Python-Dev] RFC: PEP 460: Add bytes % args and bytes.format(args) to Python 3.5

Eric V. Smith eric at trueblade.com
Tue Jan 7 15:31:08 CET 2014 
On 01/07/2014 06:24 AM, Stefan Krah wrote:
> Antoine Pitrou <solipsis at pitrou.net> wrote:
>>> Very nice, thanks.  If I was to make a blasphemous suggestion I would
>>> even target it for Python 3.4.  (No, seriously, this is a big issue
>>> - see the recent discussion by Armin - and the big names involved show
>>> that it is a major holdup of 3.x uptake.)  It would of course depend
>>> a lot on how much code from unicode formatting can be retained or
>>> adapted as opposed to a rewrite from scratch.
>>
>> From what I've seen of the unicode formatting code, a lot would have to
>> be rewritten or refactored. It is a non-trivial task, definitely
>> inappropriate for 3.4.
> 
> I do not know the stringlib well enough, so I have a silly question:
> 
> Would it be possible to re-use the 2.x stringlib just for the bytes type,
> name it byteslib and disable features as appropriate?

I do know it pretty well. I think reusing stringlib from either 2.x or
3.x pre-PEP-393 version would be the best way to go about this.
Unfortunately, reusing (or sharing) the PEP-393 version currently in 3.4
is probably not realistic.

Eric.
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