forked from mirrors/nixpkgs
50 lines
1.3 KiB
Nix
50 lines
1.3 KiB
Nix
{ stdenv, fetchurl, python, buildPythonPackage
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, numpy, hdf5, cython, six, pkgconfig
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, mpi4py ? null, openssh }:
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assert hdf5.mpiSupport -> mpi4py != null && hdf5.mpi == mpi4py.mpi;
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with stdenv.lib;
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let
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mpi = hdf5.mpi;
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mpiSupport = hdf5.mpiSupport;
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in buildPythonPackage rec {
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version = "2.7.1";
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pname = "h5py";
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name = "${pname}-${version}";
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src = fetchurl {
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url = "mirror://pypi/h/h5py/${name}.tar.gz";
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sha256 = "180a688311e826ff6ae6d3bda9b5c292b90b28787525ddfcb10a29d5ddcae2cc";
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};
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configure_flags = "--hdf5=${hdf5}" + optionalString mpiSupport " --mpi";
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postConfigure = ''
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${python.executable} setup.py configure ${configure_flags}
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# Needed to run the tests reliably. See:
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# https://bitbucket.org/mpi4py/mpi4py/issues/87/multiple-test-errors-with-openmpi-30
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${optionalString mpiSupport "export OMPI_MCA_rmaps_base_oversubscribe=yes"}
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'';
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preBuild = if mpiSupport then "export CC=${mpi}/bin/mpicc" else "";
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nativeBuildInputs = [ pkgconfig ];
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buildInputs = [ hdf5 cython ]
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++ optional mpiSupport mpi
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;
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propagatedBuildInputs = [ numpy six]
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++ optionals mpiSupport [ mpi4py openssh ]
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;
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meta = {
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description =
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"Pythonic interface to the HDF5 binary data format";
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homepage = http://www.h5py.org/;
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license = stdenv.lib.licenses.bsd2;
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};
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}
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