nixpkgs/pkgs/development/python-modules/numpy/default.nix

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{lib, fetchPypi, python, buildPythonPackage, isPy27, isPyPy, gfortran, nose, blas}:
buildPythonPackage rec {
pname = "numpy";
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version = "1.13.3";
name = "${pname}-${version}";
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src = fetchPypi {
inherit pname version;
extension = "zip";
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sha256 = "36ee86d5adbabc4fa2643a073f93d5504bdfed37a149a3a49f4dde259f35a750";
};
disabled = isPyPy;
buildInputs = [ gfortran nose blas ];
patches = lib.optionals (python.hasDistutilsCxxPatch or false) [
# See cpython 2.7 patches.
# numpy.distutils is used by cython during it's check phase
./numpy-distutils-C++.patch
];
preConfigure = ''
sed -i 's/-faltivec//' numpy/distutils/system_info.py
export NPY_NUM_BUILD_JOBS=$NIX_BUILD_CORES
'';
preBuild = ''
echo "Creating site.cfg file..."
cat << EOF > site.cfg
[openblas]
include_dirs = ${blas}/include
library_dirs = ${blas}/lib
EOF
'';
enableParallelBuilding = true;
checkPhase = ''
runHook preCheck
pushd dist
${python.interpreter} -c 'import numpy; numpy.test("fast", verbose=10)'
popd
runHook postCheck
'';
postInstall = ''
ln -s $out/bin/f2py* $out/bin/f2py
'';
passthru = {
blas = blas;
};
# 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 ];
};
}