pythonPackages.pystache: move to a seperate file

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

@@ -0,0 +1,29 @@
+{ stdenv, buildPythonPackage, python, fetchPypi, isPy3k, glibcLocales }:
+
+buildPythonPackage rec {
+  pname = "pystache-${version}";
+  version = "0.5.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f7bbc265fb957b4d6c7c042b336563179444ab313fb93a719759111eabd3b85a";
+  };
+
+  LC_ALL = "en_US.UTF-8";
+
+  buildInputs = [ glibcLocales ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest discover
+  '';
+
+  # SyntaxError Python 3
+  # https://github.com/defunkt/pystache/issues/181
+  doCheck = !isPy3k;
+
+  meta = with stdenv.lib; {
+    description = "A framework-agnostic, logic-free templating system inspired by ctemplate and et";
+    homepage = https://github.com/defunkt/pystache;
+    license = licenses.mit;
+  };
+}