Unity captures IronPython script error

Using system;using system.collections.generic;using system.io;using system.reflection;using System.Text;using System.windows.forms;using ironpython.hosting;using ironpython.runtime;using ironpython.runtime.exceptions;using Microsoft.scripting;using microsoft.scripting.runtime;using microsoft.scripting.hosting;using Plugins;namespace        embeddingplugin{internal class Pythonstream:memorystream {TextBox _output;        Public Pythonstream (textbox textbox) {_output = textbox; public override void Write (byte[] buffer, int offset, int count) {_output.        AppendText (Encoding.UTF8.GetString (buffer, offset, count));        }} internal class Engine {ScriptEngine _engine;        Scriptruntime _runtime;        TextBox _box;        Public list<pluginbase> Plugins {get {return pluginstore.plugins;} Public Engine (textbox textbox) {_engine = Python.createengine(); _runtime = _engine.            Runtime;            _box = textbox;            Setstreams ();            String rootdir = Addassemblies ();        Loadplugins (RootDir);            } public void Setstreams () {Pythonstream stream = new Pythonstream (_box); _runtime. Io.            Setoutput (stream, Encoding.UTF8); _runtime. Io.        Seterroroutput (stream, Encoding.UTF8);            The public string addassemblies () {Assembly mainassembly = assembly.getexecutingassembly (); String RootDir = Directory.getparent (mainassembly.location).            FullName;            String pluginspath = Path.Combine (RootDir, "Plugins.dll");            Assembly pluginsassembly = Assembly.loadfile (Pluginspath); _runtime.            LoadAssembly (mainassembly); _runtime.            LoadAssembly (pluginsassembly); _runtime. LoadAssembly (typeof (String).            Assembly); _runtime. LoadAssembly (typeof (Uri).            Assembly);        return rootdir;        }public void Loadplugins (string rootdir) {string pluginsdir = Path.Combine (RootDir, "plugins"); foreach (String path in Directory.GetFiles (Pluginsdir)) {if (path. ToLower ().                EndsWith (". Py")) {Createplugin (path); }}} public void Createplugin (string path) {try {S Criptsource script = _engine.                Createscriptsourcefromfile (path);                Compiledcode code = script.compile (); Scriptscope scope = _engine.                Createscope (); Script.            Execute (scope);                } catch (Syntaxerrorexception e) {string msg = "Syntax error in \" {0}\ "";            ShowError (msg, Path.getfilename (Path), E);                } catch (Systemexitexception e) {string msg = "Systemexit in \" {0}\ ""; ShowError (MSG, Path.getfilename (PAth), E);                } catch (Exception e) {string msg = "Error loading plugin \" {0}\ "";            ShowError (msg, Path.getfilename (Path), E); }} public void ShowError (string title, string name, Exception e) {String caption = Strin            G.format (title, name); Exceptionoperations eo = _engine.            Getservice<exceptionoperations> (); String error = EO.            FormatException (e);        MessageBox.Show (Error, caption, MessageBoxButtons.OK, messageboxicon.error);            } public void Executepluginatindex (int index) {pluginbase plugin = Plugins[index]; try {plugin.            Execute (_box);                } catch (Exception e) {string msg = "Error executing plugin \" {0}\ ""; ShowError (msg, plugin.            Name, E); }        }    }}

　　

Unity captures IronPython script error