nixpkgs/pkgs/applications/window-managers/qtile/default.nix

{ stdenv, fetchFromGitHub, buildPythonPackage, python27Packages, pkgs }:

let cairocffi-xcffib = python27Packages.cairocffi.override {
    pythonPath = [ python27Packages.xcffib ];
  };
in

buildPythonPackage rec {
  name = "qtile-${version}";
  version = "0.10.2";

  src = fetchFromGitHub {
    owner = "qtile";
    repo = "qtile";
    rev = "v${version}";
    sha256 = "0dhdwjr4pdlzli68fa8glrnsjzxp6agdab9cnmpsqlwiwh97x9a6";
  };

  patches = [
    ./0001-Substitution-vars-for-absolute-paths.patch
    ./0002-Restore-PATH-and-PYTHONPATH.patch
    ./0003-Restart-executable.patch
  ];

  postPatch = ''
    substituteInPlace libqtile/manager.py --subst-var-by out $out
    substituteInPlace libqtile/pangocffi.py --subst-var-by glib ${pkgs.glib}
    substituteInPlace libqtile/pangocffi.py --subst-var-by pango ${pkgs.pango}
    substituteInPlace libqtile/xcursors.py --subst-var-by xcb-cursor ${pkgs.xorg.xcbutilcursor}
  '';

  buildInputs = [ pkgs.pkgconfig pkgs.glib pkgs.xorg.libxcb pkgs.cairo pkgs.pango python27Packages.xcffib ];

  pythonPath = with python27Packages; [ xcffib cairocffi-xcffib trollius readline];

  postInstall = ''
    wrapProgram $out/bin/qtile \
      --set QTILE_WRAPPER '"$0"' \
      --set QTILE_SAVED_PYTHONPATH '"$PYTHONPATH"' \
      --set QTILE_SAVED_PATH '"$PATH"'
  '';

  meta = with stdenv.lib; {
    homepage = http://www.qtile.org/;
    license = licenses.mit;
    description = "A small, flexible, scriptable tiling window manager written in Python";
    platforms = platforms.linux;
    maintainers = with maintainers; [ kamilchm ];
  };
}