[IPython-dev] Incompatible change discussion: Pretty printing of ordered dict.

[Carl Smith]

I'm with Thomas.

On Wed, 2 Aug 2017 22:30 Wes Turner, <wes.turner at gmail.com> wrote:

> Maybe a SORT_DICT_KEYS bool configuration setting? Really practically only
> in order to teach:
>
> - dict
>   - https://docs.python.org/3/tutorial/datastructures.html#dictionaries
> - PYTHONHASHSEED / -R
>   - https://docs.python.org/3/using/cmdline.html#envvar-PYTHONHASHSEED
>   - https://docs.python.org/3/using/cmdline.html#cmdoption-R
> - collections.OrderedDict (is backwards compatible)
>   - https://docs.python.org/3/library/collections.html#ordereddict-objects
>
>
>
> On Wednesday, August 2, 2017, Matthias Bussonnier <
> bussonniermatthias at gmail.com> wrote:
>
>> Hi all,
>>
>> As you may or may not be aware, with Python 3.6 the dictionary are
>> ordered by default. It is technically an implementation detail, though
>> some people would love for it not to.
>>
>> Regardless, IPython has for a long time pretty-printed the dictionary
>> with _sorted_ keys, this thus prevent to teach python and show that
>> dictionaries maintain order. Thus there is the question of wether we
>> should disable sorting keys while pretty-printing.
>>
>> https://github.com/ipython/ipython/issues/10110
>>
>> This seem like a minor change, but I'd like to know if some of you are
>> _relying_ on the ordering of dict when they are printed, or have
>> compelling arguments against (or for) removing sorting of the keys
>> before pretty_printing.
>>
>> If you care about the above subject, please have your voice heard in
>> above issue.
>>
>> Thanks,
>> --
>> Matthias
>> _______________________________________________
>> IPython-dev mailing list
>> IPython-dev at python.org
>> https://mail.python.org/mailman/listinfo/ipython-dev
>>
> _______________________________________________
> IPython-dev mailing list
> IPython-dev at python.org
> https://mail.python.org/mailman/listinfo/ipython-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/ipython-dev/attachments/20170803/5b91c97c/attachment.html>