[Python-Dev] PEP 461: Adding % formatting to bytes and bytearray -- Final, Take 2

[Mark Lawrence]

On 24/02/2014 18:40, Ethan Furman wrote:
> Okay, types corrected, most comments taken into account.
>
> %b is right out, %a is still suffering scrutiny.
>
> The arguments seem to boil down to:
>
> We don't need it.
>
> vs
>
> Somebody might, and it's better than having them inappropriately add a
> __bytes__ method if we don't have it.
>
>
> "We don't need it" doesn't really need any further explanation.
>
> Does anybody have any examples where %a could be useful?  Considering
> the work-arounds are either wrong or painful, it wouldn't take much to
> sway me towards keeping it, but at the moment it seems to be a YAGNI,
> plus we could always add it later if it turns out to be useful.  (For
> that matter, we could implement the main portion of the PEP now, and
> maybe a %a use-case will show up before 3.5 is released and we could add
> it then.)
>
> So, any last thoughts about %a?

I placed it under your nose 
https://mail.python.org/pipermail/python-dev/2014-January/131636.html 
but personally I wouldn't lose any sleep whether it stays or goes.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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