Flux - Flux as valid MPI runner#1757
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jlnav
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Jul 7, 2026
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- FLUX_MPIRunner class in the spirit of the others
- Get resource_list from FLUX_URI or cli
- Misc. fomatting as suggested by mypy
- tests
- Add FLUX_MPIRunner class to mpi_runner.py; registered in the runner factory - Add FluxAllocation platform class to platforms.py; registered in Known_platforms - Add Flux nodelist detection to env_resources.py (get_flux_nodelist, FLUX_URI env var) - Refactor get_slurm_nodelist to call shared get_slurm_nodelist_from_string helper - Add Flux detection (FLUX_URI + flux --version) to get_MPI_variant in mpi_resources.py - Pass nodelist_env_flux through resources.py to EnvResources - Add 'flux' to allowed mpi_runner values in validators.py - Add flux-core installation note to pyproject.toml - Add unit tests for all of the above (test_flux.py) Also apply mypy type annotation fixes to mpi_resources.py (task_partition, get_resources, create_machinefile, get_MPI_runner) required by the updated get_MPI_variant return type (str -> str | None).
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