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{ lib
, fetchPypi
, buildPythonPackage
, pythonOlder
, setuptools
, numpy
, hdf5
, cython
, pkgconfig
, mpi4py ? null
, openssh
, pytestCheckHook
, cached-property
}:
assert hdf5.mpiSupport -> mpi4py != null && hdf5.mpi == mpi4py.mpi;
let
mpi = hdf5.mpi;
mpiSupport = hdf5.mpiSupport;
in buildPythonPackage rec {
version = "3.7.0";
pname = "h5py";
format = "pyproject";
disabled = pythonOlder "3.7";
src = fetchPypi {
inherit pname version;
sha256 = "sha256-P883iEODxdpkhGq1EBkHIAJ9ygdo3vNN2Ny2Wdvly/M=";
};
# avoid strict pinning of numpy
postPatch = ''
substituteInPlace setup.py \
--replace "numpy ==" "numpy >=" \
--replace "mpi4py ==" "mpi4py >="
'';
HDF5_DIR = "${hdf5}";
HDF5_MPI = if mpiSupport then "ON" else "OFF";
postConfigure = ''
# Needed to run the tests reliably. See:
# https://bitbucket.org/mpi4py/mpi4py/issues/87/multiple-test-errors-with-openmpi-30
${lib.optionalString mpiSupport "export OMPI_MCA_rmaps_base_oversubscribe=yes"}
'';
preBuild = if mpiSupport then "export CC=${mpi}/bin/mpicc" else "";
nativeBuildInputs = [
cython
pkgconfig
setuptools
];
buildInputs = [ hdf5 ]
++ lib.optional mpiSupport mpi;
propagatedBuildInputs = [ numpy ]
++ lib.optionals mpiSupport [ mpi4py openssh ]
++ lib.optionals (pythonOlder "3.8") [ cached-property ];
# tests now require pytest-mpi, which isn't available and difficult to package
doCheck = false;
checkInputs = [ pytestCheckHook openssh ];
pythonImportsCheck = [ "h5py" ];
meta = with lib; {
description = "Pythonic interface to the HDF5 binary data format";
homepage = "http://www.h5py.org/";
license = licenses.bsd3;
maintainers = [ ];
};
}
|