Move setting of $PYTHON* environment variables to load_module method in Python easyblock

[Flamefire]

(created using eb --new-pr)

Otherwise the sanity check might fail as it reloads the module for that

[Flamefire]

Test report by @Flamefire

Overview of tested easyconfigs (in order)

• SUCCESS Python-2.7.18-GCCcore-12.3.0.eb

• SUCCESS Python-3.11.5-GCCcore-13.2.0.eb

• SUCCESS Python-3.13.1-GCCcore-14.2.0.eb

Build succeeded for 3 out of 3 (3 easyconfigs in total)
c144 - Linux AlmaLinux 9.4, x86_64, AMD EPYC 9334 32-Core Processor (zen4), 4 x NVIDIA NVIDIA H100, 560.35.03, Python 3.9.18
See https://gist.github.com/Flamefire/2d69050aac7a27e4d69e148e1f33c98c for a full test report.

[boegel]

lgtm

Makes sense, since load_module is called (through load_fake_module) in the fake_module_environment context manager that is used when installing extensions (in either EasyBlock.install_extensions_sequential or EasyBlock.install_extensions_parallel

[boegel]

@boegelbot please test @ jsc-zen3
CORE_CNT=16
EB_ARGS="Python-3.12.3-GCCcore-13.3.0.eb Python-bundle-PyPI-2024.06-GCCcore-13.3.0.eb matplotlib-3.9.2-gfbf-2024a.eb --installpath /tmp/$USER/pr3958"

[boegelbot]

@boegel: Request for testing this PR well received on jsczen3l1.int.jsc-zen3.fz-juelich.de

PR test command 'if [[ develop != 'develop' ]]; then EB_BRANCH=develop ./easybuild_develop.sh 2> /dev/null 1>&2; EB_PREFIX=/home/boegelbot/easybuild/develop source init_env_easybuild_develop.sh; fi; EB_PR=3958 EB_ARGS="Python-3.12.3-GCCcore-13.3.0.eb Python-bundle-PyPI-2024.06-GCCcore-13.3.0.eb matplotlib-3.9.2-gfbf-2024a.eb --installpath /tmp/$USER/pr3958" EB_CONTAINER= EB_REPO=easybuild-easyblocks EB_BRANCH=develop /opt/software/slurm/bin/sbatch --job-name test_PR_3958 --ntasks="16" ~/boegelbot/eb_from_pr_upload_jsc-zen3.sh' executed!

• exit code: 0
• output:

Submitted batch job 8526

Test results coming soon (I hope)...

Details

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Message to humans: this is just bookkeeping information for me,
it is of no use to you (unless you think I have a bug, which I don't).

[boegelbot]

Test report by @boegelbot

Overview of tested easyconfigs (in order)

• SUCCESS Python-3.12.3-GCCcore-13.3.0.eb
• SUCCESS Python-bundle-PyPI-2024.06-GCCcore-13.3.0.eb
• SUCCESS matplotlib-3.9.2-gfbf-2024a.eb

Build succeeded for 3 out of 3 (3 easyconfigs in total)
jsczen3c1.int.jsc-zen3.fz-juelich.de - Linux Rocky Linux 9.6, x86_64, AMD EPYC-Milan Processor (zen3), Python 3.9.21
See https://gist.github.com/boegelbot/12667977f94811d27954b6f7b9cc51d5 for a full test report.

[boegel]

lgtm