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Fri Jan 10 16:36:05 CET 2014 · https://mail.python.org/pipermail/python-dev/2014-January/131145.html

On 1/10/2014 10:20 AM, Nick Coghlan wrote:
> On 10 January 2014 07:41, Eric V. Smith <eric at trueblade.com> wrote:
>> I'm not sure how format_map helps in porting from 2 to 3, since it
>> doesn't exist in any version of 2.
>>
>> Although that said, it's no doubt a useful feature, just not useful in
>> code that supports both 2 and 3 with a single code base or when porting
>> to 3.
> 
> It's purely a matter of consistency with str - if we're adding binary
> interpolation back to Python 3 (which I have been persuaded is a good
> idea), then we should provide the same three typical spellings of the
> operation that str provides.
> 
> Cheers,
> Nick.

I'm perfectly okay with that, and it was on my list of things to
suggest. I just think that the PEP should be focused on porting code
from 2 to 3 and on code that runs on both 2 and 3. I think the Rationale
should state this clearly.

Eric.

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Showing content from https://mail.python.org/pipermail/python-dev/2014-January/131145.html below:

[Python-Dev] [Python-checkins] peps: PEP 460: add .format_map()