PythonEngine class used in Calculator Scripting blog post

PythonEngine.cs

public class PythonEngine {
  private ScriptEngine _engine;
  private ScriptScope _scope;

  public PythonEngine() {
    var setup = DynamicApplication.CreateRuntimeSetup();
    setup.DebugMode = true;
    var runtime = new ScriptRuntime(setup);
    _engine = Python.GetEngine(runtime);
    _scope = null;
  }

  public object Execute(string code) {
    _scope = _engine.CreateScope();
    return _engine.Execute(code, _scope);
  }

  public ScriptScope Scope { get { return _scope; } }

  public IList<string> ListOfMethods() {
    return _engine.Operations.GetMemberNames(_scope);
  }

  public object CallMethod(string methodName, object argument) {
    return _engine.Operations.InvokeMember(
      _scope, methodName, new object[] { argument }
    );
  }
}