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Nix
at master
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495{ lib, fetchPypi, buildPythonPackage, setuptools, numpy, hdf5, cython, pkgconfig, mpi4py ? null, openssh, pytestCheckHook, pytest-mpi,}:
assert hdf5.mpiSupport -> mpi4py != null && hdf5.mpi == mpi4py.mpi;
let mpi = hdf5.mpi; mpiSupport = hdf5.mpiSupport;inbuildPythonPackage rec { version = "3.15.1"; pname = "h5py"; pyproject = true;
src = fetchPypi { inherit pname version; hash = "sha256-yG4+1FxEc1ZN5VqoO2/J5erYZXh3PfvZMEc4AELia2k="; };
pythonRelaxDeps = [ "mpi4py" ];
env = { HDF5_DIR = "${hdf5}"; HDF5_MPI = if mpiSupport then "ON" else "OFF"; # See discussion at https://github.com/h5py/h5py/issues/2560 H5PY_SETUP_REQUIRES = 0; };
postConfigure = '' # Needed to run the tests reliably. See: # https://bitbucket.org/mpi4py/mpi4py/issues/87/multiple-test-errors-with-openmpi-30 ${lib.optionalString mpiSupport "export OMPI_MCA_rmaps_base_oversubscribe=yes"} '';
preBuild = lib.optionalString mpiSupport "export CC=${lib.getDev mpi}/bin/mpicc";
build-system = [ cython numpy pkgconfig setuptools ];
buildInputs = [ hdf5 ] ++ lib.optional mpiSupport mpi;
dependencies = [ numpy ] ++ lib.optionals mpiSupport [ mpi4py openssh ];
nativeCheckInputs = [ pytestCheckHook pytest-mpi openssh ]; # https://github.com/NixOS/nixpkgs/issues/255262 preCheck = '' cd $out ''; # For some reason these fail when mpi support is enabled, due to concurrent # writings. There are a few open issues about this in the bug tracker, but # not related to the tests. disabledTests = lib.optionals mpiSupport [ "TestPageBuffering" ];
pythonImportsCheck = [ "h5py" ];
passthru = { # To evaluate more easily *Support flags of it from within Python Packages. inherit hdf5; };
meta = { changelog = "https://github.com/h5py/h5py/blob/${version}/docs/whatsnew/${lib.versions.majorMinor version}.rst"; description = "Pythonic interface to the HDF5 binary data format"; homepage = "http://www.h5py.org/"; license = lib.licenses.bsd3; maintainers = with lib.maintainers; [ doronbehar ]; };}