pyrox.dev
1{ lib
2, fetchPypi
3, buildPythonPackage
4, pythonOlder
5, oldest-supported-numpy
6, setuptools
7, wheel
8, numpy
9, hdf5
10, cython
11, pkgconfig
12, mpi4py ? null
13, openssh
14, pytestCheckHook
15, cached-property
16}:
17
18assert hdf5.mpiSupport -> mpi4py != null && hdf5.mpi == mpi4py.mpi;
19
20let
21 mpi = hdf5.mpi;
22 mpiSupport = hdf5.mpiSupport;
23in buildPythonPackage rec {
24 version = "3.9.0";
25 pname = "h5py";
26 format = "pyproject";
27
28 disabled = pythonOlder "3.7";
29
30 src = fetchPypi {
31 inherit pname version;
32 hash = "sha256-5gTbZSHB42fGvX+tI5yEf1PMRmRvLSZRNy0Frl6V+Bc=";
33 };
34
35 # avoid strict pinning of numpy
36 postPatch = ''
37 substituteInPlace setup.py \
38 --replace "mpi4py ==" "mpi4py >="
39 '';
40
41 HDF5_DIR = "${hdf5}";
42 HDF5_MPI = if mpiSupport then "ON" else "OFF";
43
44 postConfigure = ''
45 # Needed to run the tests reliably. See:
46 # https://bitbucket.org/mpi4py/mpi4py/issues/87/multiple-test-errors-with-openmpi-30
47 ${lib.optionalString mpiSupport "export OMPI_MCA_rmaps_base_oversubscribe=yes"}
48 '';
49
50 preBuild = lib.optionalString mpiSupport "export CC=${mpi}/bin/mpicc";
51
52 nativeBuildInputs = [
53 cython
54 oldest-supported-numpy
55 pkgconfig
56 setuptools
57 wheel
58 ];
59
60 buildInputs = [ hdf5 ]
61 ++ lib.optional mpiSupport mpi;
62
63 propagatedBuildInputs = [ numpy ]
64 ++ lib.optionals mpiSupport [ mpi4py openssh ]
65 ++ lib.optionals (pythonOlder "3.8") [ cached-property ];
66
67 # tests now require pytest-mpi, which isn't available and difficult to package
68 doCheck = false;
69 nativeCheckInputs = [ pytestCheckHook openssh ];
70
71 pythonImportsCheck = [ "h5py" ];
72
73 meta = with lib; {
74 changelog = "https://github.com/h5py/h5py/blob/${version}/docs/whatsnew/${lib.versions.majorMinor version}.rst";
75 description = "Pythonic interface to the HDF5 binary data format";
76 homepage = "http://www.h5py.org/";
77 license = licenses.bsd3;
78 maintainers = [ ];
79 };
80}