Running jython via Nailgun server

JythonNailgun.java

public class JythonNailgun {

    private static PythonIterpreter interpreter = null;

    public static void nailMain (NGContext context) {

        if (interpreter == null) {
            interpreter = new PythonIterpreter();
        } else {
            Py.setSystemState(new PySystemState());
        }

        PySystemState systemState = interpreter.getSystemState();
        systemState.setCurrentWorkingDir(context.getWorkingDirectory());
        interpreter.setErr(context.err);
        interpreter.setIn(context.in);
        interpreter.setOut(context.out);
        systemState.argv = new PyList(PyType.fromClass(String.class), Arrays.asList(context.getArgs()));

        String pythonPath = System.getProperties().getProperty("python.path");
        if (pythonPath != null) {
            String[] tokes = pythonPath.split(context.getPathSeparator());
            systemState.path = new PyList(PyType.fromClass(String.class), Arrays.asList(tokens))
        }

        interpreter.execfile(context.getArgs()[0]);
    }

}