Re: [sage-devel] Re: Categories catalog?

2016-09-04 Thread Travis Scrimshaw
Another thing that I hope we can eventually start supporting is some basic category theory, which I feel would justify having a number of categories at the top level. Nicolas and I have also discussed having things like Groups().free(foo) as hooks to create free objects (or any other special ob

Re: [sage-devel] Re: Categories catalog?

2016-09-04 Thread Nicolas M. Thiery
On Sun, Sep 04, 2016 at 03:24:05AM -0700, Dima Pasechnik wrote: >Is there any reason for any categories to exist in the global namespace >(besides backward compatibility, but this can be worked on) ? >No, really, it's something that perhaps small% of Sage users have to >use often, a

[sage-devel] Python 2.7: subprocess32 (=backport from Python 3.2)

2016-09-04 Thread leif
Incidentally came across the following [1]: --- See also: POSIX users (Linux, BSD, etc.) are strongly encouraged to install and use the much more recent subprocess32 [2] module instead of the version included with python 2.7. It

Re: [sage-devel] Re: Categories catalog?

2016-09-04 Thread Dima Pasechnik
Is there any reason for any categories to exist in the global namespace (besides backward compatibility, but this can be worked on) ? No, really, it's something that perhaps small% of Sage users have to use often, and such users are advanced enough to use import statements... On Friday, Septembe