[Python-ideas] Top 10 Python modules that need a redesign Was: Geo coordinates conversion in stdlib

[Alexander Belopolsky]

On Sat, Apr 4, 2015 at 7:28 PM, MRAB <python at mrabarnett.plus.com> wrote:

> I am genuinely interested in the ways to improve date/time formatting in
>> Python.  There are certainly better ways than stftime.  For example, ICU
>> has a date/time format syntax that is much more readable: instead of
>> "%Y-%m-%d %H:%M:%S", ICU format is "yyyy-MM-dd HH:mm:ss".
>>
>> I don't think it is hard to find a way to introduce ICU format in
>> datetime.__format__ while preserving backward compatibility.  For
>> example, we may require that % is always "escaped" as '%' in ICU format
>> and the presence of unescaped % can trigger strftime interpretation.
>>
>>
>> [1] http://userguide.icu-project.org/formatparse/datetime
>>
>>  Personally, I prefer some kind of escaping, possibly in the style of
> .format, e.g. "{year}-{month}-{day} {hour}:{minute}:{second}". (It'll
> probably need a little tinkering to shorten it! :-))


Can someone explain to me why something like this or Anatoly's
double-curly-brace variant is an improvement over

>>> from datetime import *
>>> "{0.year}-{0.month}-{0.day}
{0.hour}:{0.minute}:{0.second}".format(datetime.now())
'2015-4-4 20:43:23'
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-ideas/attachments/20150404/f6fa935c/attachment.html>