[Python-Dev] PEP 460: allowing %d and %f and mojibake

Kristján Valur Jónsson kristjan at ccpgames.com
Sun Jan 12 03:11:23 CET 2014

No, I don't think it is.
The purpose is to make it easier to work with bytes objects.  There can be no python 2 compatibility when it comes to bytes/unicode conversion.

From: Python-Dev [python-dev-bounces+kristjan=ccpgames.com at python.org] on behalf of Serhiy Storchaka [storchaka at gmail.com]
Sent: Saturday, January 11, 2014 21:01
To: python-dev at python.org
Subject: Re: [Python-Dev] PEP 460: allowing %d and %f and mojibake

11.01.14 21:40, Kristján Valur Jónsson написав(ла):
> How about a compromise?
> Personally, I think adding the full complement of integer/float formatting to bytes is a bit over the top.
> How about just supporting two format specifiers?
> %b : interpolate a bytes object.  If it doesn't have the buffer interface, error.
> %s : interpolate a str object, encoded to ASCII using 'strict' conversion.

%b is not supported in Python 2.7. And compatibility with Python 2.7 is
only the purpose of this feature.

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