forked from mirrors/nixpkgs
50 lines
1.2 KiB
Nix
50 lines
1.2 KiB
Nix
{ lib
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, buildPythonPackage
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, fetchPypi
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, python
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, numpy
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, llvmPackages ? null
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}:
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buildPythonPackage rec {
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pname = "numexpr";
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version = "2.6.8";
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src = fetchPypi {
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inherit pname version;
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sha256 = "ee8bc7201aa2f1962c67d27c326a11eef9df887d7b87b1278a1d4e722bf44375";
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};
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# Remove existing site.cfg, use the one we built for numpy.
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# Somehow openmp needs to be added to LD_LIBRARY_PATH
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# https://software.intel.com/en-us/forums/intel-system-studio/topic/611682
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preBuild = ''
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rm site.cfg
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ln -s ${numpy.cfg} site.cfg
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export LD_LIBRARY_PATH=${llvmPackages.openmp}/lib
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'';
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buildInputs = [] ++ lib.optional (numpy.blasImplementation == "mkl") llvmPackages.openmp;
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propagatedBuildInputs = [ numpy ];
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# Run the test suite.
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# It requires the build path to be in the python search path.
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checkPhase = ''
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pushd $out
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${python}/bin/${python.executable} <<EOF
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import sys
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import numexpr
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r = numexpr.test()
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if not r.wasSuccessful():
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sys.exit(1)
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EOF
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popd
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'';
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meta = {
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description = "Fast numerical array expression evaluator for NumPy";
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homepage = "https://github.com/pydata/numexpr";
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license = lib.licenses.mit;
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};
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} |