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nixpkgs/pkgs/development/python-modules/numexpr/default.nix
2019-10-27 16:26:56 +01:00

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889 B
Nix

{ lib
, buildPythonPackage
, fetchPypi
, python
, numpy
}:
buildPythonPackage rec {
pname = "numexpr";
version = "2.7.0";
src = fetchPypi {
inherit pname version;
sha256 = "37324b5981b8962102bdc8640c4f05f5589da5d1df2702418783085cb78ca217";
};
# Remove existing site.cfg, use the one we built for numpy.
preBuild = ''
ln -s ${numpy.cfg} site.cfg
'';
propagatedBuildInputs = [ numpy ];
# Run the test suite.
# It requires the build path to be in the python search path.
checkPhase = ''
pushd $out
${python}/bin/${python.executable} <<EOF
import sys
import numexpr
r = numexpr.test()
if not r.wasSuccessful():
sys.exit(1)
EOF
popd
'';
meta = {
description = "Fast numerical array expression evaluator for NumPy";
homepage = "https://github.com/pydata/numexpr";
license = lib.licenses.mit;
};
}