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57 lines
1.7 KiB
Nix
57 lines
1.7 KiB
Nix
{
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# Python package expression
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python,
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# Name of package (e.g. numpy or scipy)
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pkgName,
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# OpenBLAS math library
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openblas
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}:
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{
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# Re-export openblas here so that it can be sure that the same one will be used
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# in the propagatedBuildInputs.
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inherit openblas;
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# First "install" the package, then import what was installed, and call the
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# .test() function, which will run the test suite.
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checkPhase = ''
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runHook preCheck
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_python=${python}/bin/${python.executable}
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# We will "install" into a temp directory, so that we can run the
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# tests (see below).
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install_dir="$TMPDIR/test_install"
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install_lib="$install_dir/lib/${python.libPrefix}/site-packages"
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mkdir -p $install_dir
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$_python setup.py install \
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--install-lib=$install_lib \
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--old-and-unmanageable \
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--prefix=$install_dir > /dev/null
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# Create a directory in which to run tests (you get an error if you try to
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# import the package when you're in the current directory).
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mkdir $TMPDIR/run_tests
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pushd $TMPDIR/run_tests > /dev/null
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# Temporarily add the directory we installed in to the python path
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# (not permanently, or this pythonpath will wind up getting exported),
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# and run the test suite.
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PYTHONPATH="$install_lib:$PYTHONPATH" $_python -c \
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'import ${pkgName}; ${pkgName}.test("fast", verbose=10)'
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popd > /dev/null
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runHook postCheck
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'';
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# Creates a site.cfg telling the setup script where to find depended-on
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# math libraries.
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preBuild = ''
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echo "Creating site.cfg file..."
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cat << EOF > site.cfg
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[openblas]
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include_dirs = ${openblas}/include
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library_dirs = ${openblas}/lib
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EOF
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'';
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}
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