nixpkgs/pkgs/development/python-modules/mpi4py/default.nix
2021-03-10 00:33:09 +01:00

58 lines
1.7 KiB
Nix

{ lib, fetchPypi, fetchpatch, python, buildPythonPackage, mpi, openssh }:
buildPythonPackage rec {
pname = "mpi4py";
version = "3.0.3";
src = fetchPypi {
inherit pname version;
sha256 = "012d716c8b9ed1e513fcc4b18e5af16a8791f51e6d1716baccf988ad355c5a1f";
};
patches = [ (fetchpatch {
name = "disable-broken-test"; # upstream patch
url = "https://github.com/mpi4py/mpi4py/commit/e13cc3ee59ec6ec2c6ee20e384e1e649d5027e8a.patch";
sha256 = "0iwknrhxnfmsqjj8ahpn50c8pcdyv9p3wmcqi1jhr4i5y7lnmvvx";
})];
passthru = {
inherit mpi;
};
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 = with lib; {
description = "Python bindings for the Message Passing Interface standard";
homepage = "https://bitbucket.org/mpi4py/mpi4py/";
license = licenses.bsd3;
};
}