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

[Ethan Furman]

On 01/12/2014 01:06 PM, Greg Ewing wrote:
> Paul Moore wrote:
>>
>> I could easily argue at this point that this is the type of bug that
>> having %-formatting operations on bytes would encourage - %s means
>> "format a string" (from years of C and Python (text) experience) so I
>> automatically supply a string argument when using %s in a bytes
>> formatting context.
>
> So don't call it %s -- call it something else
> such as %b.

Which is fine for 3.5+ code, but not at all helpful for a 2/3 code base.

--
~Ethan~