51 lines
1.5 KiB
Nix
51 lines
1.5 KiB
Nix
{ lib, fetchPypi, fetchpatch, python, buildPythonPackage, mpi, openssh }:
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buildPythonPackage rec {
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pname = "mpi4py";
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version = "3.1.3";
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src = fetchPypi {
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inherit pname version;
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sha256 = "sha256-8en64QefQ+r92fgXzbP9MNcJ7cCTtdXa2lekYbLbMAg=";
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};
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passthru = {
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inherit mpi;
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};
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postPatch = ''
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substituteInPlace test/test_spawn.py --replace \
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"unittest.skipMPI('openmpi(<3.0.0)')" \
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"unittest.skipMPI('openmpi')"
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'';
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configurePhase = "";
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installPhase = ''
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mkdir -p "$out/lib/${python.libPrefix}/site-packages"
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export PYTHONPATH="$out/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
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${python}/bin/${python.executable} setup.py install \
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--install-lib=$out/lib/${python.libPrefix}/site-packages \
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--prefix="$out"
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# --install-lib:
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# sometimes packages specify where files should be installed outside the usual
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# python lib prefix, we override that back so all infrastructure (setup hooks)
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# work as expected
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# Needed to run the tests reliably. See:
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# https://bitbucket.org/mpi4py/mpi4py/issues/87/multiple-test-errors-with-openmpi-30
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export OMPI_MCA_rmaps_base_oversubscribe=yes
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'';
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setupPyBuildFlags = ["--mpicc=${mpi}/bin/mpicc"];
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nativeBuildInputs = [ mpi openssh ];
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meta = with lib; {
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description = "Python bindings for the Message Passing Interface standard";
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homepage = "https://bitbucket.org/mpi4py/mpi4py/";
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license = licenses.bsd3;
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};
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}
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