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{ stdenv, lib, fetchPypi, python, buildPythonPackage, gfortran, pytest, blas, writeTextFile }:
let
blasImplementation = lib.nameFromURL blas.name "-";
cfg = writeTextFile {
name = "site.cfg";
text = (lib.generators.toINI {} {
"${blasImplementation}" = {
include_dirs = "${blas}/include";
library_dirs = "${blas}/lib";
} // lib.optionalAttrs (blasImplementation == "mkl") {
mkl_libs = "mkl_rt";
lapack_libs = "";
};
});
};
in buildPythonPackage rec {
pname = "numpy";
version = "1.16.3";
src = fetchPypi {
inherit pname version;
extension = "zip";
sha256 = "78a6f89da87eeb48014ec652a65c4ffde370c036d780a995edaeb121d3625621";
};
nativeBuildInputs = [ gfortran pytest ];
buildInputs = [ blas ];
patches = lib.optionals python.hasDistutilsCxxPatch [
# We patch cpython/distutils to fix https://bugs.python.org/issue1222585
# Patching of numpy.distutils is needed to prevent it from undoing the
# patch to distutils.
./numpy-distutils-C++.patch
];
preConfigure = ''
sed -i 's/-faltivec//' numpy/distutils/system_info.py
export NPY_NUM_BUILD_JOBS=$NIX_BUILD_CORES
'';
preBuild = ''
ln -s ${cfg} site.cfg
'';
enableParallelBuilding = true;
checkPhase = ''
runHook preCheck
pushd dist
${python.interpreter} -c 'import numpy; numpy.test("fast", verbose=10)'
popd
runHook postCheck
'';
passthru = {
blas = blas;
inherit blasImplementation cfg;
};
# Disable two tests
# - test_f2py: f2py isn't yet on path.
# - test_large_file_support: takes a long time and can cause the machine to run out of disk space
NOSE_EXCLUDE="test_f2py,test_large_file_support";
meta = {
description = "Scientific tools for Python";
homepage = http://numpy.scipy.org/;
maintainers = with lib.maintainers; [ fridh ];
};
}
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