I am in favor of moving giacpy_sage inside sage/libs. But it does
not really fits Sage code standard. It is mostly undocumented
and untested.
This does not look so bad as most of the code is
"""
cdef class Pygen:
def functionXYZ(self, *args):
return GiacMethods['functionXYZ'](self, *args)
"""
Such thing could easily be automized together with the documentation
(as long as it is available from giac in a standardized format).
Best
Vincent
Le 07/02/2020 à 11:32, François Bissey a écrit :
I’ll claim responsibility for the name change request!
More seriously, after reading this and thinking a little bit I would
really prefer if it was merged in sage/libs. The alternative means that
we have a true circular dependency sage <-> giacpy_sage and things
will start to get wild as soon as you want to build the docs.
sage the distro probably can shrug it off but us in linux distros will
go seriously banana about it.
François
On 7/02/2020, at 11:04 PM, Han Frederic <frederic....@imj-prg.fr> wrote:
First, thank you for this discussion.
About the sage pip install project. The problem is that I don't know at all
what will be available.
But if you are done with sage's pyx files in src/sage/libs then it should be
similar with giacpy_sage.
It is indeed rare for an spkg to be linked to the sage library and giacpy_sage
is
more similar to the cython files in src/sage/libs than to an external package.
The original ticket https://trac.sagemath.org/ticket/15226 six years ago about
giacpy_sage
was a sage patch. It just ended with no answer but with the current giacpy_sage
it is still easy to put 4 files of giacpy_sage in sage's source tree
src/sage/libs, adjust
src/module_list.py and let sage's setup.py build giacpy_sage. Then you don't
need an external package at all.
This is related to Vincent's question. There are many cython files in sage/libs
related
to cypari2. Currently giacpy_sage have none. We need one of the following
(to not lose any features) either giacpy_sage is an external package linked to
the sage library
or a part of giacpy_sage (or all of it, because it is just few files) is inside
sage. Any of these
solutions is fine for me. But being in between is more work and my skills and
time are limited.
The python package have a different name: giacpy. This was the only request I
had during the previous vote where all the focus turned on giac and where
giacpy_sage was forgotten.
(cf https://groups.google.com/d/topic/sage-devel/HI0uZra5_iI/discussion)
I don't see any conflict in having both. Sage could load the python package but
it is just less interesting than loading giacpy_sage.
A minimal python is able to use the giacpy package obtain a full computer
algebra system. I don't want to break this with the in between solution (1
python package and files in sage).
It is important for me that a window user with no development tools looks to be
able
to do with a minimal python installation:
python -m pip install giacpy
and have it. It was very difficult for me to provides these binaries, and I
don't want to break this.
giac and sage are both computer algebra systems, so there have have many
interactions that are meaningless in a standalone python.
Another remark: giac is a standard package and giacpy_sage test it more. For
instance this ticket
https://trac.sagemath.org/ticket/27306
was a giac bug in a new version of giac. It was not related to giacpy_sage and
I guess that it would have been detected during the upgrade of the giac package
if giacpy_sage was standard, while it was detected after.
Best
Frederic
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