【UiPath】UiPathのPython連携アクティビティを開発する

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Activities;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;

namespace Python_Connect_Activity
{
    public class Connect_Python : CodeActivity
    {
        [Description("Python.exeのパス")]
        [Category("Input")]
        [RequiredArgument]
        public InArgument<String> PythonExePath { get; set; }

        [Description("実行するPythonファイルのパス")]
        [Category("Input")]
        [RequiredArgument]
        public InArgument<String> PythonScriptPath { get; set; }

        [Description("アウトプット")]
        [Category("Output")]
        [RequiredArgument]
        public OutArgument<String> OutPutText { get; set; }

        [Description("リザルト エラー有：True エラー無：False")]
        [Category("Result")]
        [RequiredArgument]
        public OutArgument<Boolean> Result { get; set; }

        protected override void Execute(CodeActivityContext context)
        {
            string pythonExePath = PythonExePath.Get(context);
            string pythonScriptPath = PythonScriptPath.Get(context);

            // Processの出力を首取得
            string outputText = string.Empty;
            // 使用しないが拡張のため定義
            string standardError = string.Empty;
            // エラー発生時はこちらを出力にセット
            string exceptionMessage = string.Empty;
            // Processの実行結果　エラー有：True エラー無：False
            boolen isError = false;

            try
            {
                using (Process process = new Process())
                {
                    process.StartInfo = new ProcessStartInfo(pythonExePath)
                    {
                        Arguments = pythonScriptPath,
                        UseShellExecute = false,
                        RedirectStandardOutput = true,
                        RedirectStandardError = true,
                        CreateNoWindow = true
                    };
                    process.Start();
                    outputText = process.StandardOutput.ReadToEnd();
                    standardError = process.StandardError.ReadToEnd();
                    process.WaitForExit();
                }
            }
            catch (Exception ex)
            {
                exceptionMessage = ex.Message;
                isError = true;
            }

            Result.Set(context, isError);
            if(isError){
              OutPutText.Set(context, exceptionMessage);
            }else{
              OutPutText.Set(context, outputText);
            }
        }
    }
}

print("Hello World!! from Epic Life")