[Buildroot] [Bug 13516] utils/scanpypi: Failure when parsing diffoscope

[bugzilla at busybox.net <bugzilla@busybox.net>]

https://bugs.busybox.net/show_bug.cgi?id=13516

--- Comment #1 from Thomas Petazzoni <thomas.petazzoni@bootlin.com> ---
Regarding the first issue, I guess we could change scanpypi to use python3
explicitly. Maybe it will break with some Python modules that have a
python2-only setup.py, but it should really be rare these days.

Regarding the second issue, I don't see what we can do. If I remember correctly
how scanpypi works, it works by running  the setup.py, so if the setup.py has
some requirement on a recent Python version... there's not much we can do about
it. You could for example do:

$ make host-python3
$ export PATH=$(pwd)/output/host/bin:$PATH
$ ./utils/scanpipy

and that should use the python3 built by Buildroot, which is recent enough.

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