- adding experimental python31 build

- cleanup python libraries:
 * moving all python libraries into a attr set into a directory
   so that expressions can be used for both: python 2.5 and 2.6 easily
 * disabling packages which don't build

svn path=/nixpkgs/trunk/; revision=21142

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

@@ -1,17 +0,0 @@
-{stdenv, fetchurl, python, pkgconfig, glib, gtk, pygobject, pycairo
-  , libglade ? null}:
-
-stdenv.mkDerivation {
-  name = "pygtk-2.16.0";
-
-  src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/sources/pygtk/2.16/pygtk-2.16.0.tar.bz2;
-    sha256 = "1a24fkxslir8zb800hs4ix9iyvgqsy5c6hdfirrh2yi1mw0mxbkz";
-  };
-  
-  buildInputs = [python pkgconfig glib gtk]
-    ++ (if libglade != null then [libglade] else [])
-  ;
-
-  propagatedBuildInputs = [pygobject pycairo];
-}