add python3 support to pythonPackages

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

@@ -2,31 +2,37 @@
 
 stdenv.mkDerivation rec {
   shortName = "setuptools-${version}";
-  name = "python-${shortName}";
+  name = "${python.executable}-${shortName}";
 
-  version = "0.6c11";
+  version = "0.9.8";
 
   src = fetchurl {
     url = "http://pypi.python.org/packages/source/s/setuptools/${shortName}.tar.gz";
-    sha256 = "1lx1hwxkhipyh206bgl90ddnfcnb68bzcvyawczbf833fadyl3v3";
+    sha256 = "037b8x3fdhx8s6xafqndi3yr8x2vr42n1kzs7jxk6j9s9fd65gs2";
   };
 
+  patches = [
+    # https://bitbucket.org/pypa/setuptools/issue/55/1-failure-lc_all-c-python33m-setuppy-test
+    ./distribute-skip-sdist_with_utf8_encoded_filename.patch
+  ];
+
   buildInputs = [ python wrapPython ];
 
-  buildPhase = "python setup.py build --build-base $out";
+  buildPhase = "${python}/bin/${python.executable} setup.py build --build-base $out";
 
   installPhase =
     ''
       dst=$out/lib/${python.libPrefix}/site-packages
       mkdir -p $dst
-      PYTHONPATH=$dst:$PYTHONPATH
-      python setup.py install --prefix=$out
+      PYTHONPATH="$dst:$PYTHONPATH"
+      ${python}/bin/${python.executable} setup.py install --prefix=$out
       wrapPythonPrograms
     '';
 
-  doCheck = false; # doesn't work with Python 2.7
-
-  checkPhase = "python setup.py test";
+  doCheck = true;
+  checkPhase = ''
+    ${python}/bin/${python.executable} setup.py test
+  '';
 
   meta = {
     description = "Utilities to facilitate the installation of Python packages";