{ lib, stdenv, fetchPypi, python, numpy_2, pythonAtLeast, pythonOlder, buildPythonPackage, writeTextFile, # build-system cython, gfortran, meson-python, mesonEmulatorHook, pkg-config, xcbuild, # native dependencies blas, lapack, # Reverse dependency sage, # tests hypothesis, pytest-xdist, pytestCheckHook, setuptools, typing-extensions, }: assert (!blas.isILP64) && (!lapack.isILP64); let cfg = writeTextFile { name = "site.cfg"; text = lib.generators.toINI { } { ${blas.implementation} = { include_dirs = "${lib.getDev blas}/include:${lib.getDev lapack}/include"; library_dirs = "${blas}/lib:${lapack}/lib"; runtime_library_dirs = "${blas}/lib:${lapack}/lib"; libraries = "lapack,lapacke,blas,cblas"; }; lapack = { include_dirs = "${lib.getDev lapack}/include"; library_dirs = "${lapack}/lib"; runtime_library_dirs = "${lapack}/lib"; }; blas = { include_dirs = "${lib.getDev blas}/include"; library_dirs = "${blas}/lib"; runtime_library_dirs = "${blas}/lib"; }; }; }; in buildPythonPackage rec { pname = "numpy"; version = "2.1.2"; pyproject = true; disabled = pythonOlder "3.10"; src = fetchPypi { inherit pname version; extension = "tar.gz"; hash = "sha256-E1MqCIIX+mJMmbhD7rVGQN4js0FLFKpm0COAXrcxBmw="; }; patches = lib.optionals python.hasDistutilsCxxPatch [ # We patch cpython/distutils to fix https://bugs.python.org/issue1222585 # Patching of numpy.distutils is needed to prevent it from undoing the # patch to distutils. ./numpy-distutils-C++.patch ]; postPatch = '' # remove needless reference to full Python path stored in built wheel substituteInPlace numpy/meson.build \ --replace-fail 'py.full_path()' "'python'" ''; build-system = [ cython gfortran meson-python pkg-config ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ xcbuild.xcrun ] ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [ mesonEmulatorHook ]; # we default openblas to build with 64 threads # if a machine has more than 64 threads, it will segfault # see https://github.com/OpenMathLib/OpenBLAS/issues/2993 preConfigure = '' sed -i 's/-faltivec//' numpy/distutils/system_info.py export OMP_NUM_THREADS=$((NIX_BUILD_CORES > 64 ? 64 : NIX_BUILD_CORES)) ''; # HACK: copy mesonEmulatorHook's flags to the variable used by meson-python postConfigure = '' mesonFlags="$mesonFlags ''${mesonFlagsArray[@]}" ''; buildInputs = [ blas lapack ]; preBuild = '' ln -s ${cfg} site.cfg ''; enableParallelBuilding = true; nativeCheckInputs = [ hypothesis pytestCheckHook pytest-xdist setuptools typing-extensions ]; preCheck = '' pushd $out ''; postCheck = '' popd ''; # https://github.com/numpy/numpy/blob/a277f6210739c11028f281b8495faf7da298dbef/numpy/_pytesttester.py#L180 pytestFlagsArray = [ "-m" "not\\ slow" # fast test suite ]; disabledTests = [ # Tries to import numpy.distutils.msvccompiler, removed in setuptools 74.0 "test_api_importable" ] ++ lib.optionals (pythonAtLeast "3.13") [ # https://github.com/numpy/numpy/issues/26713 "test_iter_refcount" ] ++ lib.optionals stdenv.hostPlatform.isAarch32 [ # https://github.com/numpy/numpy/issues/24548 "test_impossible_feature_enable" # AssertionError: Failed to generate error "test_features" # AssertionError: Failure Detection "test_new_policy" # AssertionError: assert False "test_identityless_reduction_huge_array" # ValueError: Maximum allowed dimension exceeded "test_unary_spurious_fpexception" # AssertionError: Got warnings: [] "test_int" # AssertionError: selectedintkind(19): expected 16 but got -1 "test_real" # AssertionError: selectedrealkind(16): expected 10 but got -1 "test_quad_precision" # AssertionError: selectedrealkind(32): expected 16 but got -1 "test_big_arrays" # ValueError: array is too big; `arr.size * arr.dtype.itemsize` is larger tha... "test_multinomial_pvals_float32" # Failed: DID NOT RAISE ] ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) [ # AssertionError: (np.int64(0), np.longdouble('9.9999999999999994515e-21'), np.longdouble('3.9696755572509052902e+20'), 'arctanh') "test_loss_of_precision" ]; passthru = { # just for backwards compatibility blas = blas.provider; blasImplementation = blas.implementation; inherit cfg; coreIncludeDir = "${numpy_2}/${python.sitePackages}/numpy/_core/include"; tests = { inherit sage; }; }; meta = { changelog = "https://github.com/numpy/numpy/releases/tag/v${version}"; description = "Scientific tools for Python"; homepage = "https://numpy.org/"; license = lib.licenses.bsd3; maintainers = with lib.maintainers; [ doronbehar ]; }; }