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nixpkgs/pkgs/development/python-modules/numpy/default.nix
2018-12-03 16:50:38 +01:00

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2.4 KiB
Nix

{ stdenv, lib, fetchPypi, python, buildPythonPackage, isPyPy, 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 = "${blas}/lib";
} // lib.optionalAttrs (blasImplementation == "mkl") {
mkl_libs = "mkl_rt";
lapack_libs = "";
};
});
};
in buildPythonPackage rec {
pname = "numpy";
version = "1.15.4";
src = fetchPypi {
inherit pname version;
extension = "zip";
sha256 = "3d734559db35aa3697dadcea492a423118c5c55d176da2f3be9c98d4803fc2a7";
};
disabled = isPyPy;
nativeBuildInputs = [ gfortran pytest ];
buildInputs = [ blas ];
patches = lib.optionals (python.hasDistutilsCxxPatch or false) [
# We patch cpython/distutils to fix https://bugs.python.org/issue1222585
# Patching of numpy.distutils is needed to prevent it from undoing the
# patch to distutils.
./numpy-distutils-C++.patch
];
postPatch = lib.optionalString stdenv.hostPlatform.isMusl ''
# Use fenv.h
sed -i \
numpy/core/src/npymath/ieee754.c.src \
numpy/core/include/numpy/ufuncobject.h \
-e 's/__GLIBC__/__linux__/'
# Don't use various complex trig functions
substituteInPlace numpy/core/src/private/npy_config.h \
--replace '#if defined(__GLIBC__)' "#if 1" \
--replace '#if !__GLIBC_PREREQ(2, 18)' "#if 1"
'';
preConfigure = ''
sed -i 's/-faltivec//' numpy/distutils/system_info.py
export NPY_NUM_BUILD_JOBS=$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;
};
doCheck = blasImplementation != "mkl";
# 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 ];
};
}