Unity 5.3 PostprocessBuildPlayer Trigger Replacement

ReplacementBuildPostprocessor.cs

using System;
using System.IO;
using System.Diagnostics;
using System.Collections;
using System.Collections.Generic;

using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;

public class ReplacementBuildPostprocessor : MonoBehaviour
{
    [PostProcessBuildAttribute(-1000)]
    public static void OnPostprocessBuild(BuildTarget target, string pathToBuild)
    {
        UnityEngine.Debug.Log("Beginning postprocess: "+pathToBuild);

        string player = target.ToString() == "iOS" ? "iPhone" : target.ToString();
        string arguments = String.Format("\"{0}\" \"{1}\" \"{2}\" \"{3}\" \"{4}\" \"{5}\" \"{6}\"", pathToBuild,
            player, "", PlayerSettings.companyName, PlayerSettings.productName,
            PlayerSettings.defaultScreenWidth, PlayerSettings.defaultScreenHeight);

        UnityEngine.Debug.Log("Starting script: python " + Application.dataPath + "/Editor/PostprocessBuildPlayer" + " " + arguments);

        Process process = new Process();
        process.StartInfo.FileName = "python";
        process.StartInfo.UseShellExecute = false;
        process.StartInfo.RedirectStandardOutput = true;
        process.StartInfo.Arguments = "\"" + Application.dataPath + "/Editor/PostprocessBuildPlayer\"" + " " + arguments;
        process.Start();

        // Synchronously read the standard output of the spawned process.
        StreamReader reader = process.StandardOutput;
        string output = reader.ReadToEnd();

        // Write the redirected output to this application's window.
        Console.WriteLine(output);

        process.WaitForExit();
        process.Close();
		
		UnityEngine.Debug.Log("Done postprocess");
    }
}