setup and execution of pyrception for macOS - not tested yet

com.unity.perception/Editor/Pyrception/PyrceptionInstaller.cs

     [MenuItem("Window/General/Pyrception/Run")]
     static void RunPyrception()
     {
+        string path = Application.dataPath.Replace("/Assets", "");
+#if UNITY_EDITOR_WIN
+        path = path.Replace("/", "\\");
+#endif
+        string command = "";
-        string path = Application.dataPath.Replace("/Assets","").Replace("/","\\");
-        string command = $"cd {path}\\DataInsightsEnv\\Scripts\\ && activate && pyrception-utils.exe preview --data=\"{PlayerPrefs.GetString(SimulationState.latestOutputDirectoryKey)}/..\"";
-
-        ProcessStartInfo info = new ProcessStartInfo("cmd.exe", "/c " + command);
-        info.CreateNoWindow = false;
-        info.UseShellExecute = true;
-        Process cmd = Process.Start(info);
+#if UNITY_EDITOR_WIN
+        command = $"cd {path}\\DataInsightsEnv\\Scripts\\ && activate && pyrception-utils.exe preview --data=\"{PlayerPrefs.GetString(SimulationState.latestOutputDirectoryKey)}/..\"";
+#elif UNITY_EDITOR_OSX
+        command = $"cd {path}/DataInsightsEnv/Scripts && activate && pyrception-utils preview --data=\"{PlayerPrefs.GetString(SimulationState.latestOutputDirectoryKey)}/..\"";
+#endif
+        int ExitCode = ExecuteCMD(command, false, true);
+        if (ExitCode != 0) return;
-        int steps = 4;
+        int steps = 3;
-        string path = Application.dataPath.Replace("/Assets", "").Replace("/", "\\");
+        string path = Application.dataPath.Replace("/Assets", "");
+#if UNITY_EDITOR_WIN
+        path = path.Replace("/", "\\");
+#endif
         string pyrceptionPath = Path.GetFullPath("Packages/com.unity.perception/Editor/Pyrception/pyrception-utils");
 
         EditorUtility.DisplayProgressBar("Setting up Pyrception", "Installing virtualenv...", 0 / steps);
 
         EditorUtility.DisplayProgressBar("Setting up Pyrception", "Setting up virtualenv instance...", 1f / steps);
+
+#if UNITY_EDITOR_WIN
+#elif UNITY_EDITOR_OSX
+        ExitCode = ExecuteCMD($"virtualenv \"{path}/DataInsightsEnv"");
+#endif
+
+#if UNITY_EDITOR_WIN
+#elif UNITY_EDITOR_OSX
+        ExitCode = ExecuteCMD($"\cp -r \"{pyrceptionPath}\" \"{path}/DataInsightsEnv/pyrception-util\"");
+#endif
-        EditorUtility.DisplayProgressBar("Setting up Pyrception", "Installing pyrception utils...", 3.5f / steps);
-        ExitCode = ExecuteCMD($"cd \"{path}\\DataInsightsEnv\\pyrception-util\"");
-        if (ExitCode != 0) return;
+        EditorUtility.DisplayProgressBar("Setting up Pyrception", "Installing pyrception utils...", 2.5f / steps);
-        EditorUtility.DisplayProgressBar("Setting up Pyrception", "Installing pyrception utils...", 3.9f / steps);
+#if UNITY_EDITOR_WIN
+#elif UNITY_EDITOR_OSX
+        ExitCode = ExecuteCMD($"\"{path}/DataInsightsEnv/Scripts/activate\" && cd {path} && cd ./DataInsightsEnv/pyrception-util && pip --no-cache-dir install -e . && deactivate");
+#endif
-
-    private static int ExecuteCMD(string command) {
-        ProcessStartInfo info = new ProcessStartInfo("cmd.exe", "/c " + command);
-        info.CreateNoWindow = true;
-        info.UseShellExecute = false;
+    private static int ExecuteCMD(string command, bool waitForExit = true, bool displayWindow = false) {
+        string shell = "";
+        string argument = "";
+
+#if UNITY_EDITOR_WIN
+        shell = "cmd.exe";
+        argument = $"/c {command}";
+#elif UNITY_EDITOR_OSX
+        shell = "/bin/bash";
+        argument = $"-c \"{command}\"";
+#endif
+        ProcessStartInfo info = new ProcessStartInfo(shell, argument);
+
+        info.CreateNoWindow = !displayWindow;
+        info.UseShellExecute = !waitForExit;
+        if (!waitForExit) return 0;
+
-
-        }
-        else
-        {
-            //UnityEngine.Debug.Log($"Successfully executed: {command}");
-    }
-
-    private static void RevertChanges() {
-        return;
     }
 }