setuptoolsSite - only setuptools' site.py

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

@@ -1,7 +1,9 @@
 { stdenv, fetchurl, python, wrapPython }:
 
 stdenv.mkDerivation rec {
-  name = "setuptools-0.6c11";
+  name = "setuptools-" + version;
+
+  version = "0.6c11";
 
   src = fetchurl {
     url = "http://pypi.python.org/packages/source/s/setuptools/${name}.tar.gz";

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

@@ -0,0 +1,16 @@
+# Propagated by buildPythonPackge to process pth files
+
+{ stdenv, python, setuptools }:
+
+stdenv.mkDerivation {
+  name = "python-setuptools-site-${setuptools.version}";
+
+  buildInputs = [ python setuptools ];
+
+  unpackPhase = "true";
+  installPhase = ''
+    dst="$out/lib/${python.libPrefix}/site-packages"
+    ensureDir $dst
+    ln -s ${setuptools}/lib/${python.libPrefix}/site-packages/site.* $dst/
+  '';
+}