C#使用IronPython调用python代码的实现示例

Python 3.9.13 (main, Aug 25 2022, 23:51:50) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
...
>>> import os
>>> os
<module 'os' from 'D:\\ProgramData\\Anaconda3\\lib\\os.py'>
>>>

...
var paths = engine.GetSearchPaths();
paths.Add("C:\\Users\\xxxx\\.nuget\\packages\\ironpython\\3.4.1\\lib");
paths.Add("D:\\ProgramData\\Anaconda3\\lib"); // 这一句
engine.SetSearchPaths(paths);
...

引发的异常:“Microsoft.Scripting.SyntaxErrorException”(位于 Microsoft.Dynamic.dll 中)
“Microsoft.Scripting.SyntaxErrorException”类型的未经处理的异常在 Microsoft.Dynamic.dll 中发生 
invalid syntax

DateTime beforeDT = System.DateTime.Now;
string pyexePath = @"C:\XXXXXX\dist\drawGraph.exe";
Process p = new Process();
p.StartInfo.FileName = pyexePath;
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.RedirectStandardInput = true;
p.StartInfo.CreateNoWindow = true;
// 我的一个参数
p.StartInfo.Arguments = @"C:\XXXX\XXX.txt";
p.Start();
string output = p.StandardOutput.ReadToEnd();
p.WaitForExit();
Console.WriteLine(output);
DateTime afterDT = System.DateTime.Now;
TimeSpan ts = afterDT.Subtract(beforeDT);
Console.WriteLine("Time: {0}s", ts.TotalSeconds); 
p.Close();

# -*- coding: utf-8 -*-
import sys

def text():
	return str(sys.path)

using IronPython.Hosting;
using Microsoft.Scripting.Hosting;
public partial class WavePainter : Window
{
    public WavePainter()
    {
        InitializeComponent();
        //Console.WriteLine(AppDomain.CurrentDomain.BaseDirectory);
        string basePath = AppDomain.CurrentDomain.BaseDirectory;
        string pyFilePath = basePath + @"..\..\py\mywindow.py";
        ScriptRuntime pyRuntime = Python.CreateRuntime();
        // 这里开始到dynamic py...行前都不是必须的。是指定lib path位置的
        var engine = pyRuntime.GetEngine("python");
        var pyScope = engine.CreateScope();
        var paths = engine.GetSearchPaths();
        paths.Add(basePath + @"..\..\packages\IronPython.2.7.11\lib");
        engine.SetSearchPaths(paths);
        // 执行py文件
        dynamic py = pyRuntime.UseFile(pyFilePath);
        string a = py.text();
        tb1.Text = a;
    }
}