tjh.dev
1{
2 lib,
3 stdenv,
4 fetchPypi,
5 python,
6 numpy_2,
7 pythonAtLeast,
8 pythonOlder,
9 buildPythonPackage,
10 writeTextFile,
11
12 # build-system
13 cython,
14 gfortran,
15 meson-python,
16 mesonEmulatorHook,
17 pkg-config,
18 xcbuild,
19
20 # native dependencies
21 blas,
22 lapack,
23
24 # Reverse dependency
25 sage,
26
27 # tests
28 hypothesis,
29 pytest-xdist,
30 pytestCheckHook,
31 setuptools,
32 typing-extensions,
33}:
34
35assert (!blas.isILP64) && (!lapack.isILP64);
36
37let
38 cfg = writeTextFile {
39 name = "site.cfg";
40 text = lib.generators.toINI { } {
41 ${blas.implementation} = {
42 include_dirs = "${lib.getDev blas}/include:${lib.getDev lapack}/include";
43 library_dirs = "${blas}/lib:${lapack}/lib";
44 runtime_library_dirs = "${blas}/lib:${lapack}/lib";
45 libraries = "lapack,lapacke,blas,cblas";
46 };
47 lapack = {
48 include_dirs = "${lib.getDev lapack}/include";
49 library_dirs = "${lapack}/lib";
50 runtime_library_dirs = "${lapack}/lib";
51 };
52 blas = {
53 include_dirs = "${lib.getDev blas}/include";
54 library_dirs = "${blas}/lib";
55 runtime_library_dirs = "${blas}/lib";
56 };
57 };
58 };
59in
60buildPythonPackage rec {
61 pname = "numpy";
62 version = "2.1.2";
63 pyproject = true;
64
65 disabled = pythonOlder "3.10";
66
67 src = fetchPypi {
68 inherit pname version;
69 extension = "tar.gz";
70 hash = "sha256-E1MqCIIX+mJMmbhD7rVGQN4js0FLFKpm0COAXrcxBmw=";
71 };
72
73 patches = lib.optionals python.hasDistutilsCxxPatch [
74 # We patch cpython/distutils to fix https://bugs.python.org/issue1222585
75 # Patching of numpy.distutils is needed to prevent it from undoing the
76 # patch to distutils.
77 ./numpy-distutils-C++.patch
78 ];
79
80 postPatch = ''
81 # remove needless reference to full Python path stored in built wheel
82 substituteInPlace numpy/meson.build \
83 --replace-fail 'py.full_path()' "'python'"
84 '';
85
86 build-system =
87 [
88 cython
89 gfortran
90 meson-python
91 pkg-config
92 ]
93 ++ lib.optionals stdenv.hostPlatform.isDarwin [ xcbuild.xcrun ]
94 ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [ mesonEmulatorHook ];
95
96 # we default openblas to build with 64 threads
97 # if a machine has more than 64 threads, it will segfault
98 # see https://github.com/OpenMathLib/OpenBLAS/issues/2993
99 preConfigure = ''
100 sed -i 's/-faltivec//' numpy/distutils/system_info.py
101 export OMP_NUM_THREADS=$((NIX_BUILD_CORES > 64 ? 64 : NIX_BUILD_CORES))
102 '';
103
104 # HACK: copy mesonEmulatorHook's flags to the variable used by meson-python
105 postConfigure = ''
106 mesonFlags="$mesonFlags ''${mesonFlagsArray[@]}"
107 '';
108
109 buildInputs = [
110 blas
111 lapack
112 ];
113
114 preBuild = ''
115 ln -s ${cfg} site.cfg
116 '';
117
118 enableParallelBuilding = true;
119
120 nativeCheckInputs = [
121 hypothesis
122 pytestCheckHook
123 pytest-xdist
124 setuptools
125 typing-extensions
126 ];
127
128 preCheck = ''
129 pushd $out
130 '';
131
132 postCheck = ''
133 popd
134 '';
135
136 # https://github.com/numpy/numpy/blob/a277f6210739c11028f281b8495faf7da298dbef/numpy/_pytesttester.py#L180
137 pytestFlagsArray = [
138 "-m"
139 "not\\ slow" # fast test suite
140 ];
141
142 disabledTests =
143 [
144 # Tries to import numpy.distutils.msvccompiler, removed in setuptools 74.0
145 "test_api_importable"
146 ]
147 ++ lib.optionals (pythonAtLeast "3.13") [
148 # https://github.com/numpy/numpy/issues/26713
149 "test_iter_refcount"
150 ]
151 ++ lib.optionals stdenv.hostPlatform.isAarch32 [
152 # https://github.com/numpy/numpy/issues/24548
153 "test_impossible_feature_enable" # AssertionError: Failed to generate error
154 "test_features" # AssertionError: Failure Detection
155 "test_new_policy" # AssertionError: assert False
156 "test_identityless_reduction_huge_array" # ValueError: Maximum allowed dimension exceeded
157 "test_unary_spurious_fpexception" # AssertionError: Got warnings: [<warnings.WarningMessage object at 0xd1197430>]
158 "test_int" # AssertionError: selectedintkind(19): expected 16 but got -1
159 "test_real" # AssertionError: selectedrealkind(16): expected 10 but got -1
160 "test_quad_precision" # AssertionError: selectedrealkind(32): expected 16 but got -1
161 "test_big_arrays" # ValueError: array is too big; `arr.size * arr.dtype.itemsize` is larger tha...
162 "test_multinomial_pvals_float32" # Failed: DID NOT RAISE <class 'ValueError'>
163 ]
164 ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) [
165 # AssertionError: (np.int64(0), np.longdouble('9.9999999999999994515e-21'), np.longdouble('3.9696755572509052902e+20'), 'arctanh')
166 "test_loss_of_precision"
167 ];
168
169 passthru = {
170 # just for backwards compatibility
171 blas = blas.provider;
172 blasImplementation = blas.implementation;
173 inherit cfg;
174 coreIncludeDir = "${numpy_2}/${python.sitePackages}/numpy/_core/include";
175 tests = {
176 inherit sage;
177 };
178 };
179
180 meta = {
181 changelog = "https://github.com/numpy/numpy/releases/tag/v${version}";
182 description = "Scientific tools for Python";
183 homepage = "https://numpy.org/";
184 license = lib.licenses.bsd3;
185 maintainers = with lib.maintainers; [ doronbehar ];
186 };
187}