Hi Simon,
On 17/08/16 16:07, Simon King wrote:
Hi Vincent,
On 2016-08-17, Vincent Delecroix <20100.delecr...@gmail.com> wrote:
It is a bit better for dealing with backward compatibility:
- if there a problem, you do not have to fix anything in the Sage
sources. Just release a new tarball. In particular you do not have to
wait for a new Sage release including the changes.
Does that mean that optional packages are not peer reviewed??? That's a
big step in the wrong direction, IMHO!
Not necessarily. Packages on PyPI are not reviewed and it works well. It
does not prevent us from having a review system for optional Python
packages that we claim are "optional" for Sage. Currently we don't:
nobody reviewed beautifulsoup ;-)
And again, how does that differ from maintaining an unreviewed .spkg that
the user can install with sage -p?
Not much.
Note that I created several versions of my old-style spkg and put it on
the servers in Jena. I didn't bother to open a trac ticket, since it
seemed pointless to me. Fighting against backward incompatible changes in
SageMath took a lot of my enthusiasm, to the extent that I was close to
dropping SageMath.
This is why we really need to define how to deal with packages and test
them on various Sage releases! It should be easy for users to create a
package (it currently is). And we should automatically be noticed when
some incompatible backward compatibility appears (currently it is not
the case as these are untested).
2. How to make the package pip-installable? Can you point me to a
"howto" that also addresses interrelations with Sage, as mentioned
above?
pip installable just means that there is a setup.py file at the root of
the tarball.
How to build the C libraries that come along with the P/Cython code?
Should it be two packages (one for the C library and one for the rest)?
You can have .c or .cpp files be compiled by Cython. Though that will
not give you a C-library. If you want to use this C library outside of
your module it should be two packages. Otherwise use something like
ext = Extension(sources = ["my_file1.c", my_file2.pyx"])
Vincent
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