pythonPackages: new functions to build numpy and scipy

pkgs/development/python-modules/numpy-scipy-support.nix

@@ -1,35 +0,0 @@
-{
-  # Python package expression
-  python,
-  # Name of package (e.g. numpy or scipy)
-  pkgName,
-  # OpenBLAS math library
-  openblas
-}:
-
-{
-  # Re-export openblas here so that it can be sure that the same one will be used
-  # in the propagatedBuildInputs.
-  inherit openblas;
-
-  # First "install" the package, then import what was installed, and call the
-  # .test() function, which will run the test suite.
-  checkPhase = ''
-    runHook preCheck
-    pushd dist
-    ${python.interpreter} -c 'import ${pkgName}; ${pkgName}.test("fast", verbose=10)'
-    popd
-    runHook postCheck
-  '';
-
-  # Creates a site.cfg telling the setup script where to find depended-on
-  # math libraries.
-  preBuild = ''
-    echo "Creating site.cfg file..."
-    cat << EOF > site.cfg
-    [openblas]
-    include_dirs = ${openblas}/include
-    library_dirs = ${openblas}/lib
-    EOF
-  '';
-}

pkgs/development/python-modules/numpy.nix

@@ -0,0 +1,51 @@
+{lib, python, buildPythonPackage, isPyPy, gfortran, nose, blas}:
+
+args:
+
+let
+  inherit (args) version;
+in buildPythonPackage (args // rec {
+
+  name = "numpy-${version}";
+
+  disabled = isPyPy;
+  buildInputs = args.buildInputs or [ gfortran nose ];
+  propagatedBuildInputs = args.propagatedBuildInputs or [ passthru.blas ];
+
+  preConfigure = ''
+    sed -i 's/-faltivec//' numpy/distutils/system_info.py
+  '';
+
+  preBuild = ''
+    echo "Creating site.cfg file..."
+    cat << EOF > site.cfg
+    [openblas]
+    include_dirs = ${passthru.blas}/include
+    library_dirs = ${passthru.blas}/lib
+    EOF
+  '';
+
+  checkPhase = ''
+    runHook preCheck
+    pushd dist
+    ${python.interpreter} -c 'import numpy; numpy.test("fast", verbose=10)'
+    popd
+    runHook postCheck
+  '';
+
+  passthru = {
+    blas = blas;
+  };
+
+  # The large file support test is disabled because it takes forever
+  # and can cause the machine to run out of disk space when run.
+  prePatch = ''
+    sed -i 's/test_large_file_support/donttest/' numpy/lib/tests/test_format.py
+  '';
+
+  meta = {
+    description = "Scientific tools for Python";
+    homepage = "http://numpy.scipy.org/";
+    maintainers = with lib.maintainers; [ fridh ];
+  } // (args.meta or {});
+})

pkgs/development/python-modules/scipy.nix

@@ -0,0 +1,47 @@
+{lib, python, buildPythonPackage, isPyPy, gfortran, nose}:
+
+args:
+
+let
+  inherit (args) version;
+  inherit (args) numpy;
+in buildPythonPackage (args // rec {
+
+  name = "scipy-${version}";
+
+  buildInputs = (args.buildInputs or [ gfortran nose ]);
+  propagatedBuildInputs = (args.propagatedBuildInputs or [ passthru.blas numpy]);
+
+  preConfigure = ''
+    sed -i '0,/from numpy.distutils.core/s//import setuptools;from numpy.distutils.core/' setup.py
+  '';
+
+  preBuild = ''
+    echo "Creating site.cfg file..."
+    cat << EOF > site.cfg
+    [openblas]
+    include_dirs = ${passthru.blas}/include
+    library_dirs = ${passthru.blas}/lib
+    EOF
+  '';
+
+  checkPhase = ''
+    runHook preCheck
+    pushd dist
+    ${python.interpreter} -c 'import scipy; scipy.test("fast", verbose=10)'
+    popd
+    runHook postCheck
+  '';
+
+  passthru = {
+    blas = numpy.blas;
+  };
+
+  setupPyBuildFlags = [ "--fcompiler='gnu95'" ];
+
+  meta = {
+    description = "SciPy (pronounced 'Sigh Pie') is open-source software for mathematics, science, and engineering. ";
+    homepage = http://www.scipy.org/;
+    maintainers = with lib.maintainers; [ fridh ];
+  } // (args.meta or {});
+})