135 lines
3.9 KiB
Nix
135 lines
3.9 KiB
Nix
{ lib
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, stdenv
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, fetchPypi
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, fetchpatch
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, python
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, buildPythonPackage
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, gfortran
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, hypothesis
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, pytest
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, typing-extensions
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, blas
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, lapack
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, writeTextFile
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, cython
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, pythonAtLeast
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, pythonOlder
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}:
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assert (!blas.isILP64) && (!lapack.isILP64);
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let
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cfg = writeTextFile {
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name = "site.cfg";
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text = lib.generators.toINI {} {
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${blas.implementation} = {
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include_dirs = "${lib.getDev blas}/include:${lib.getDev lapack}/include";
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library_dirs = "${blas}/lib:${lapack}/lib";
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runtime_library_dirs = "${blas}/lib:${lapack}/lib";
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libraries = "lapack,lapacke,blas,cblas";
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};
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lapack = {
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include_dirs = "${lib.getDev lapack}/include";
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library_dirs = "${lapack}/lib";
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runtime_library_dirs = "${lapack}/lib";
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};
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blas = {
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include_dirs = "${lib.getDev blas}/include";
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library_dirs = "${blas}/lib";
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runtime_library_dirs = "${blas}/lib";
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};
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};
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};
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in buildPythonPackage rec {
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pname = "numpy";
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version = "1.25.1";
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format = "setuptools";
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disabled = pythonOlder "3.9" || pythonAtLeast "3.12";
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src = fetchPypi {
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inherit pname version;
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extension = "tar.gz";
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hash = "sha256-mjqfOmFIDMCGEXtCaovYaGnCE/xAcuYG8BxOS2brkr8=";
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};
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patches = [
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# f2py.f90mod_rules generates code with invalid function pointer conversions, which are
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# clang 16 makes an error by default.
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(fetchpatch {
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url = "https://github.com/numpy/numpy/commit/609fee4324f3521d81a3454f5fcc33abb0d3761e.patch";
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hash = "sha256-6Dbmf/RWvQJPTIjvchVaywHGcKCsgap/0wAp5WswuCo=";
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})
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# Disable `numpy/core/tests/test_umath.py::TestComplexFunctions::test_loss_of_precision[complex256]`
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# on x86_64-darwin because it fails under Rosetta 2 due to issues with trig functions and
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# 80-bit long double complex numbers.
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./disable-failing-long-double-test-Rosetta-2.patch
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]
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# We patch cpython/distutils to fix https://bugs.python.org/issue1222585
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# Patching of numpy.distutils is needed to prevent it from undoing the
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# patch to distutils.
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++ lib.optionals python.hasDistutilsCxxPatch [
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./numpy-distutils-C++.patch
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];
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postPatch = ''
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# fails with multiple errors because we are not using the pinned setuptools version
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# see https://github.com/numpy/numpy/blob/v1.25.0/pyproject.toml#L7
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# error: option --single-version-externally-managed not recognized
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# TypeError: dist must be a Distribution instance
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rm numpy/core/tests/test_cython.py
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'';
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nativeBuildInputs = [ gfortran cython ];
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buildInputs = [ blas lapack ];
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# Causes `error: argument unused during compilation: '-fno-strict-overflow'` due to `-Werror`.
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hardeningDisable = lib.optionals stdenv.cc.isClang [ "strictoverflow" ];
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# we default openblas to build with 64 threads
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# if a machine has more than 64 threads, it will segfault
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# see https://github.com/xianyi/OpenBLAS/issues/2993
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preConfigure = ''
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sed -i 's/-faltivec//' numpy/distutils/system_info.py
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export NPY_NUM_BUILD_JOBS=$NIX_BUILD_CORES
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export OMP_NUM_THREADS=$((NIX_BUILD_CORES > 64 ? 64 : NIX_BUILD_CORES))
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'';
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preBuild = ''
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ln -s ${cfg} site.cfg
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'';
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enableParallelBuilding = true;
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nativeCheckInputs = [
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pytest
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hypothesis
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typing-extensions
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];
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checkPhase = ''
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runHook preCheck
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pushd "$out"
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${python.interpreter} -c 'import numpy, sys; sys.exit(numpy.test("fast", verbose=10) is False)'
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popd
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runHook postCheck
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'';
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passthru = {
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# just for backwards compatibility
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blas = blas.provider;
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blasImplementation = blas.implementation;
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inherit cfg;
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};
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# Disable test
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# - test_large_file_support: takes a long time and can cause the machine to run out of disk space
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NOSE_EXCLUDE="test_large_file_support";
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meta = {
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description = "Scientific tools for Python";
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homepage = "https://numpy.org/";
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license = lib.licenses.bsd3;
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maintainers = with lib.maintainers; [ fridh ];
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};
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}
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