For anyone interested, since this topic has come up yet again. Some time
back I wrote a script which makes some minor changes to a Slackbuild for
a python3 package to allow it to be easily rebuilt using whatever
version of python the builder chooses, the default remains the stock
version. The resulting package has a unique file name so it plays nice
with other versions. I understand the rationale for not upgrading the
stock version, but for those of us that require an upgraded version it
allows an easy path to do so. SB need not accept any official
responsibility for it and can take a "use at your own risk" posture
which also frees maintainers. I currently run both 3.14 and the stock
3.9 with no issues.
For anyone interested I offer the script free to use. Message me is you
want to try it.
Glenn
On 6/8/26 00:30, Matteo Bernardini wrote:
hi Lumin,
we avoided doing a python3-opt SlackBuild until now because we didn't
want to install a parallel python interpreter in the system: the
potential new dependencies that the various scripts that might use
that are *a lot* and we cannot afford to maintain what we have on SBo
for the system's python also for another python in /opt, it will
result in madness for the maintainers and for the admins.
but if you really want to use a newer python for wormhole you can add
the python3 build to the wormhole SlackBuild itself so that
*everything* is restricted to the /opt/wormhole directory, also the
newer python3 interpreter, so that no other script should use it.
Matteo
Il giorno lun 8 giu 2026 alle ore 10:19 Lumin Etherlight via
SlackBuilds-users <[email protected]> ha scritto:
Hello, friends,
I was trying to package magic-wormhole[1],
but found out that it requires Python 3.10+, which
is newer than the version available in Slackware.
I solved this by compiling a python3-opt version
of python, that installs to /opt, without effect
on the base Python install.
I also wrote a SlackBuild for magic-wormhole
that installs pre-built wheels for the package and
all of its dependencies into a venv, then packages
it as an installation to /opt too. the wormhole
executables are then copied to /usr/bin, and they
work as expected; they automatically use the new
/opt Python installation, since they set it as the
shebang #! interpreter, thus using the libraries
installed in that venv.
Wormhole works, all dependencies are in the
/opt/magic-wormhole-bin venv, the Python install
it uses is in /opt/python3. This seems to be some
reasonable method to package such applications.
Close to a typical -bin package, but for Python,
basically. The final wormhole package is 26MiB,
so not too bloated. Other applications that may
depend on newer Python3 versions can perhaps do
the same, until we hopefully get a newer Python in
Slackware. No internet connection is required at
build-time for this method; all dependencies are
listed in the .info file as expected.
I have submitted both scripts; python3-opt,
and magic-wormhole-bin, for your consideration and
review. I don't expect them to be published soon,
of course, as this approach is not traditionally
used in SlackBuilds, so it will likely take some
discussion, testing, and improvement. On my side,
python3-opt was tested on clean Slackware installs
fully patched, for both 32bit and 64bit. As for
magic-wormhole-bin, it works on 64bit for now, and
that's where I tested it. It fails on 32bit, in
an isolated venv, with some Rust compiler errors,
as one of the dependencies compiles something at
some point, probably a Python plugin. I haven't
had time to debug this yet.
Feedback is, as always, much appreciated :)
[1]: https://magic-wormhole.readthedocs.io/
Best Regards,
Lumin Etherlight
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