zoukankan html css js c++ java

Unity 捕获IronPython脚本错误

捕获的方法摘自《IronPython in Action》一书，代码例如以下：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145

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);
        }

        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
            {
                ScriptSource 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 = String.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);
            }
        }
    }
}

结果如：

移植到Unity中。则仅仅取关键性代码就可以。

查看全文

相关阅读:
linux ssh免密
 flink WaterMark之TumblingEventWindow
flink 并行计数器实现
 VSCode删除重复的空行
 Gnome添加Open with Code菜单
 Linux下设置VSCode为默认的文本编辑器
 Jupyter Notebook添加Ruby支持
 Linux下无法运行Color picker
oh-my-zsh: bracketed-paste-magic:zle:47: not enough arguments for -U
Vim auto-pairs设置选项

原文地址：https://www.cnblogs.com/mqxnongmin/p/10960862.html