IronPython basic usage for hosting.

ipy.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Diagnostics;

namespace NewWorld
{
    public partial class Form1 : Form
    {
        public class Entry
        {
            public string name { get; set; }

            public Entry(string s)
            {
                name = s;
            }

            public void Speak(IronPython.Runtime.List o)
            {
                System.Diagnostics.Debug.WriteLine("List: " + o.Count);
            }

            public void Speak(IronPython.Runtime.PythonDictionary o)
            {
                System.Diagnostics.Debug.WriteLine("PythonDictionary: " + o.Count);
            }

            public void Speak(IronPython.Runtime.PythonTuple o)
            {
                System.Diagnostics.Debug.WriteLine("PythonTuple: " + o.Count);
            }

            public virtual string GetName()
            {
                return "stub";
            }

            public static void Speak(Entry e)
            {
                Debug.WriteLine(e.GetName());
            }
        }

        public Microsoft.Scripting.Hosting.ScriptEngine engine;
        public Microsoft.Scripting.Hosting.ScriptScope scope;
        public FileSystemWatcher fsw;
        public DateTime lastWriteTime;
        private Action _timerFunc;

        public void SetTimerCallback(int time, Action f)
        {
            _timerFunc = f;
            timer1.Interval = time;
        }

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            engine = IronPython.Hosting.Python.CreateEngine();
            engine.Runtime.LoadAssembly(System.Reflection.Assembly.GetExecutingAssembly());

            scope = engine.CreateScope();
            scope.SetVariable("windows", this);

            timer1.Enabled = true;
            try
            {
                engine.ExecuteFile("../../scripts/main.py", scope);
            }
            catch (Exception err)
            {
                Debug.WriteLine(err);
            }
            fsw = new FileSystemWatcher("../../scripts");

            fsw.Changed += fsw_Changed;
            fsw.EnableRaisingEvents = true;

            //Debug.WriteLine("ctor.Thread:" + System.Threading.Thread.CurrentThread.ManagedThreadId);
        }

        void fsw_Changed(object sender, FileSystemEventArgs e)
        {
            Action f = () =>
            {
                try
                {
                    var fi = new System.IO.FileInfo(e.FullPath);

                    if (lastWriteTime != fi.LastWriteTime)
                    {
                        using (var fs = fi.OpenRead())
                        {
                            using (var rd = new System.IO.StreamReader(fs))
                            {
                                var text = rd.ReadToEnd();

                                //Debug.WriteLine("fsw.Thread:" + System.Threading.Thread.CurrentThread.ManagedThreadId);

                                lastWriteTime = fi.LastWriteTime;
                                engine.Execute(text, scope);

                                rd.Close();
                            }
                            fs.Close();
                        }
                    }
                }
                catch (Exception err)
                {
                    System.Diagnostics.Debug.WriteLine(err);
                }
            };

            BeginInvoke(f);
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (_timerFunc != null)
                _timerFunc();
            //System.Diagnostics.Debug.WriteLine("_timerFunc");
            //Debug.WriteLine("timer.Thread:" + System.Threading.Thread.CurrentThread.ManagedThreadId);
        }
    }
}

script.py

from NewWorld import * 

def wrap(f):
  def _(*args):
		print("wrap")
		return f(*args)
	return _

class X(Form1.Entry):
	@wrap
	def GetName(self):
		return Form1.Entry.GetName(self) + ".script"

e = X("USD")

e.Speak({"a":1,})
e.Speak([1,2])
e.Speak((2,3,4))

Form1.Entry.Speak(e)

"""
@wrap
def Sample():
	print("sample2")

windows.SetTimerCallback(2000, Sample)

"""

LoadAssembly 所在类如果是非public好像会导致脚本访问不到assembly