Inheritance: IronPython.Compiler.Ast.PythonWalker
        public PythonParser()
        {
            pythonEngine = Python.CreateEngine ();

            var langContext = HostingHelpers.GetLanguageContext (pythonEngine);
            compilerOptions = langContext.GetCompilerOptions ();
            langOptions = (PythonOptions) langContext.Options;

            walker = new CustomPythonWalker ();
        }
        public PythonParser()
        {
            pythonEngine = Python.CreateEngine();

            var langContext = HostingHelpers.GetLanguageContext(pythonEngine);

            compilerOptions = langContext.GetCompilerOptions();
            langOptions     = (PythonOptions)langContext.Options;

            walker = new CustomPythonWalker();
        }