...
String strScriptingPath = GetCODESYSScriptingLibPath();
try
{
dynamic sys = Python.GetSysModule(engine);
sys.argv = args;
sys.argv[0] = scriptfile;
foreach (string arg in args)
sys.argv.Add(arg);
}
sys.path.Add(strScriptingPath);
var source = engine.CreateScriptSourceFromFile(scriptfile);
dynamic result = source.Execute();