Making all those packages optional sounds good. I am not completely sure
about playwright. It feels a bit heavy to shoehorn to produce
documentation from source. I need a bit more time to think about it.
Using binary produced documentation packages for "stable" releases is a
fine option, but producing documentation in develop or on top of branch
may become onerous.
Definitely need to dig a bit more in the npm scene for that stuff.
François
On 20/08/24 12:07, Matthias Koeppe wrote:
jupyter-jsmol
<https://doc.sagemath.org/html/en/reference/spkg/jupyter_jsmol.html#spkg-jupyter-jsmol> is the current standard package providing javascript version of Jmol (which I proposed to demote to optional in https://groups.google.com/g/sage-devel/c/qKqTmLzHAbg, https://github.com/sagemath/sage/pull/38504). I propose to demote it to "optional". (In https://groups.google.com/g/sage-devel/c/qKqTmLzHAbg/m/OwGjF4GiBQAJ (2020), Antonio Rojas already asked if there is any reason for not making jsmol optional too because three.js <https://doc.sagemath.org/html/en/reference/spkg/threejs.html#spkg-threejs> is our default 3d renderer.)
tachyon
<https://doc.sagemath.org/html/en/reference/spkg/tachyon.html#spkg-tachyon> is a standard package providing a raytracer, dating back to 1994. It has a precarious maintenance status. Fedora has orphaned this package, and it is not available in the current release 40 (https://src.fedoraproject.org/rpms/tachyon), Debian has an extensive set of patches that have not been upstreamed (https://sources.debian.org/patches/tachyon/0.99~b6+dsx-12/). The Arch Linux package (https://archlinux.org/packages/extra/x86_64/tachyon/) is maintained by Antonio Rojas; sage is listed as the only package depending on it. I propose to demote this package to optional as well.
Jmol (not jupyter-jsmol) and Tachyon serve the purpose of saving 3d
graphics as png files, in particular for our PDF documentation.
I propose to replace this function (exclusively provided by these two
packages in Sage) by using the tool Playwright, which installs a browser
such as Chromium and screenshots an arbitrary webpage as a PNG file. By
using it on a three.js rendering of 3d graphics, we can thus save the 3d
graphics as a PNG file. This is PR
https://github.com/sagemath/sage/pull/38509 (needs review). This is much
heavier-weight technology than tachyon, but it has excellent mainstream
maintenance status.
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