nixpkgs/pkgs/development/python-modules/mpi4py/default.nix
Markus Kowalewski 389a130e6d
mpi4py: disable test_spawn.py
test_spawn.py fails when build with openmpi-3.0.0 in a sandboxed
environment.
2018-02-10 22:37:45 -08:00

54 lines
1.5 KiB
Nix

{ stdenv, fetchPypi, python, buildPythonPackage, mpi, openssh }:
buildPythonPackage rec {
pname = "mpi4py";
version = "3.0.0";
name = "${pname}-${version}";
src = fetchPypi {
inherit pname version;
sha256 = "1mzgd26dfv4vwbci8gq77ss9f0x26i9aqzq9b9vs9ndxhlnv0mxl";
};
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"];
buildInputs = [ mpi openssh ];
meta = {
description =
"Python bindings for the Message Passing Interface standard";
homepage = http://code.google.com/p/mpi4py/;
license = stdenv.lib.licenses.bsd3;
};
}