[Python-3000] PEP 3101 str.format() equivalent of '%#o/x/X'?

Fri May 30 21:37:00 CEST 2008

Of course.
On Fri, May 30, 2008 at 12:23 PM, Eric Smith
<eric+python-dev at trueblade.com> wrote:
> Guido van Rossum wrote:
>>>> I'd be fine with adding '#' back to the formatting language for hex and
>> oct.
>> And bin, I assume?
>>>>> On Thu, May 29, 2008 at 5:45 PM, Eric Smith
>> <eric+python-dev at trueblade.com> wrote:
>>>>>> wesley chun wrote:
>>>>>>>> On 5/29/08, Eric Smith <eric+python-dev at trueblade.com> wrote:
>>>>>>>>>> Marcin 'Qrczak' Kowalczyk wrote:
>>>>>>>>>>>> Except that it works incorrectly for negative numbers.
>>>>>>>> wow, that is a great point. i didn't think of this either. it makes
>>>> it very inconvenient (see below) and makes it more difficult to say
>>>> we've completed replaced the '%' operator.
>>>>>>>>>>>>> I can't really think of any other way that doesn't involve converting
>>>>> the
>>>>> number to a string and then operating on that, just to get the sign.
>>>>>>>> here's one way of doing it without converting to a string first (it's
>>>> ugly
>>>> too):
>>>>>>>>>>> i = -45
>>>>>>> '{0}0x{1:x}'.format('-' if i < 0 else '', abs(i))
>>>>>>>> '-0x2d'
>>>>>> Agreed, ick!
>>>>>>> thx for putting it (back) in,
>>>>>> I didn't say I would, I said I would if a decision was reached :) I'd
>>> like
>>> to see some more consensus, and I hope that Talin (the PEP author) chimes
>>> in.
>>>>>> Eric.
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-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)