nixpkgs/pkgs/development/python-modules/mpi4py/default.nix

67 lines
2 KiB
Nix

{ stdenv, fetchPypi, fetchpatch, python, buildPythonPackage, mpi, openssh }:
buildPythonPackage rec {
pname = "mpi4py";
version = "3.0.0";
src = fetchPypi {
inherit pname version;
sha256 = "1mzgd26dfv4vwbci8gq77ss9f0x26i9aqzq9b9vs9ndxhlnv0mxl";
};
passthru = {
inherit mpi;
};
patches = [
(fetchpatch {
# Disable tests failing with 3.1.x and MPI_THREAD_MULTIPLE (upstream patch)
url = "https://bitbucket.org/mpi4py/mpi4py/commits/c2b6b7e642a182f9b00a2b8e9db363214470548a/raw";
sha256 = "0n6bz3kj4vcqb6q7d0mlj5vl6apn7i2bvfc9mpg59vh3wy47119q";
})
(fetchpatch {
# Open MPI: Workaround removal of MPI_{LB|UB} (upstream patch)
url = "https://bitbucket.org/mpi4py/mpi4py/commits/39ca784226460f9e519507269ebb29635dc8bd90/raw";
sha256 = "02kxikdlsrlq8yr5hca42536mxbrq4k4j8nqv7p1p2r0q21a919q";
})
];
postPatch = ''
substituteInPlace test/test_spawn.py --replace \
"unittest.skipMPI('openmpi(<3.0.0)')" \
"unittest.skipMPI('openmpi')"
'';
configurePhase = "";
installPhase = ''
mkdir -p "$out/lib/${python.libPrefix}/site-packages"
export PYTHONPATH="$out/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
${python}/bin/${python.executable} setup.py install \
--install-lib=$out/lib/${python.libPrefix}/site-packages \
--prefix="$out"
# --install-lib:
# sometimes packages specify where files should be installed outside the usual
# python lib prefix, we override that back so all infrastructure (setup hooks)
# work as expected
# Needed to run the tests reliably. See:
# https://bitbucket.org/mpi4py/mpi4py/issues/87/multiple-test-errors-with-openmpi-30
export OMPI_MCA_rmaps_base_oversubscribe=yes
'';
setupPyBuildFlags = ["--mpicc=${mpi}/bin/mpicc"];
nativeBuildInputs = [ mpi openssh ];
meta = {
description =
"Python bindings for the Message Passing Interface standard";
homepage = http://code.google.com/p/mpi4py/;
license = stdenv.lib.licenses.bsd3;
};
}