Getting rid of __cmp__ would be the cleaner way but a simple grep on
$SAGE_ROOT/src gives 915 occurrences of __cmp__, 624 of which are
definitions. Is there any way we can automate the process?
S.


* Frédéric Chapoton <fchapot...@gmail.com> [2016-08-14 05:41:01]:

>    As an intermediate step in our long way to python3, I would like to be
>    able to compile all the .pyx files in py3.
>    Except for #21246 (please review), the big remaining problem preventing
>    to reach this goal is the removal of the builtin "cmp" in py3.
>    One solution would be to have our own "cmp" that would boil down to py2
>    cmp in py2 and to something (but what ?) in py3.
>    Otherwise, one will have to get rid by hand of all the `__cmp__`
>    methods everywhere, that will become obsolete in python3.
>    Please step in and talk out loud if you have a good strategy for this
>    problem.
>    Frédéric
> 
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