python.pkgs.virtkey: move to a separate file

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

@@ -0,0 +1,23 @@
+{ lib, buildPythonPackage, fetchurl, pkgconfig, gtk2, libX11, libXtst, libXi, libxkbfile, xextproto, xproto }:
+
+buildPythonPackage rec {
+  name = "virtkey-${version}";
+  majorVersion = "0.63";
+  version = "${majorVersion}.0";
+
+  src = fetchurl {
+    url = "https://launchpad.net/virtkey/${majorVersion}/${version}/+download/virtkey-${version}.tar.gz";
+    sha256 = "0hd99hrxn6bh3rxcrdnad5cqjsphrn1s6fzx91q07d44k6cg6qcr";
+  };
+
+  nativeBuildInputs = [ pkgconfig ];
+
+  buildInputs = [ gtk2 libX11 libXtst libXi libxkbfile xextproto xproto ];
+
+  meta = with lib; {
+    description = "Extension to emulate keypresses and to get the layout information from the X server";
+    homepage = https://launchpad.net/virtkey;
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ abbradar ];
+  };
+}