tjh.dev
1{ lib
2, fetchPypi
3, python
4, buildPythonPackage
5, gfortran
6, pytest
7, blas
8, lapack
9, writeTextFile
10, isPyPy
11, cython
12, setuptoolsBuildHook
13 }:
14
15assert (!blas.isILP64) && (!lapack.isILP64);
16
17let
18 cfg = writeTextFile {
19 name = "site.cfg";
20 text = (lib.generators.toINI {} {
21 ${blas.implementation} = {
22 include_dirs = "${lib.getDev blas}/include:${lib.getDev lapack}/include";
23 library_dirs = "${blas}/lib:${lapack}/lib";
24 runtime_library_dirs = "${blas}/lib:${lapack}/lib";
25 libraries = "lapack,lapacke,blas,cblas";
26 };
27 lapack = {
28 include_dirs = "${lib.getDev lapack}/include";
29 library_dirs = "${lapack}/lib";
30 runtime_library_dirs = "${lapack}/lib";
31 };
32 blas = {
33 include_dirs = "${lib.getDev blas}/include";
34 library_dirs = "${blas}/lib";
35 runtime_library_dirs = "${blas}/lib";
36 };
37 });
38 };
39in buildPythonPackage rec {
40 pname = "numpy";
41 version = "1.16.6";
42 format = "pyproject.toml";
43
44 src = fetchPypi {
45 inherit pname version;
46 extension = "zip";
47 sha256 = "e5cf3fdf13401885e8eea8170624ec96225e2174eb0c611c6f26dd33b489e3ff";
48 };
49
50 nativeBuildInputs = [ gfortran pytest cython setuptoolsBuildHook ];
51 buildInputs = [ blas lapack ];
52
53 patches = lib.optionals python.hasDistutilsCxxPatch [
54 # We patch cpython/distutils to fix https://bugs.python.org/issue1222585
55 # Patching of numpy.distutils is needed to prevent it from undoing the
56 # patch to distutils.
57 ./numpy-distutils-C++_1.16.patch
58 ];
59
60 preConfigure = ''
61 sed -i 's/-faltivec//' numpy/distutils/system_info.py
62 export NPY_NUM_BUILD_JOBS=$NIX_BUILD_CORES
63 '';
64
65 preBuild = ''
66 ln -s ${cfg} site.cfg
67 '';
68
69 enableParallelBuilding = true;
70
71 doCheck = !isPyPy; # numpy 1.16+ hits a bug in pypy's ctypes, using either numpy or pypy HEAD fixes this (https://github.com/numpy/numpy/issues/13807)
72
73 checkPhase = ''
74 runHook preCheck
75 pushd dist
76 ${python.interpreter} -c 'import numpy; numpy.test("fast", verbose=10)'
77 popd
78 runHook postCheck
79 '';
80
81 passthru = {
82 # just for backwards compatibility
83 blas = blas.provider;
84 blasImplementation = blas.implementation;
85 inherit cfg;
86 };
87
88 # Disable test
89 # - test_large_file_support: takes a long time and can cause the machine to run out of disk space
90 NOSE_EXCLUDE="test_large_file_support";
91
92 meta = {
93 description = "Scientific tools for Python";
94 homepage = "https://numpy.org/";
95 maintainers = with lib.maintainers; [ fridh ];
96 };
97}