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