pythonPackages.pyx: refactor move to python-modules

pkgs/development/python-modules/pyx/default.nix

@@ -0,0 +1,27 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "pyx";
+  version = "0.14.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "05d1b7fc813379d2c12fcb5bd0195cab522b5aabafac88f72913f1d47becd912";
+  };
+
+  disabled = !isPy3k;
+
+  # No tests in archive
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Python package for the generation of PostScript, PDF, and SVG files";
+    homepage = http://pyx.sourceforge.net/;
+    license = with licenses; [ gpl2 ];
+  };
+
+}

pkgs/top-level/python-packages.nix

@@ -3356,26 +3356,7 @@ in {
 
   pyspread = callPackage ../development/python-modules/pyspread { };
 
-  pyx = buildPythonPackage rec {
+  pyx = callPackage ../development/python-modules/pyx { };
-    name = "pyx-${version}";
-    version = "0.14.1";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/P/PyX/PyX-${version}.tar.gz";
-      sha256 = "05d1b7fc813379d2c12fcb5bd0195cab522b5aabafac88f72913f1d47becd912";
-    };
-
-    disabled = !isPy3k;
-
-    # No tests in archive
-    doCheck = false;
-
-    meta = {
-      description = "Python package for the generation of PostScript, PDF, and SVG files";
-      homepage = http://pyx.sourceforge.net/;
-      license = with licenses; [ gpl2 ];
-    };
-  };
 
   mmpython = buildPythonPackage rec {
     version = "0.4.10";