fix pyrunner stuff

StabilityMatrix.Avalonia/App.axaml.cs

@@ -222,8 +222,12 @@ public sealed class App : Application
         services.AddSingleton<INotificationService, NotificationService>();
         services.AddSingleton<IPyRunner, PyRunner>();
         services.AddSingleton<IUpdateHelper, UpdateHelper>();
-        
-        if (Compat.IsLinux)
+
+        if (Compat.IsWindows)
+        {
+            services.AddSingleton<IPrerequisiteHelper, PrerequisiteHelper>();
+        }
+        else if (Compat.IsLinux)
         {
             services.AddSingleton<IPrerequisiteHelper, UnixPrerequisiteHelper>();
         }

StabilityMatrix.Avalonia/ViewModels/SettingsViewModel.cs

@@ -9,6 +9,7 @@ using Avalonia.Styling;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using FluentAvalonia.UI.Controls;
+using NLog;
 using StabilityMatrix.Avalonia.Services;
 using StabilityMatrix.Avalonia.Views;
 using StabilityMatrix.Core.Attributes;
@@ -24,6 +25,8 @@ namespace StabilityMatrix.Avalonia.ViewModels;
 [View(typeof(SettingsPage))]
 public partial class SettingsViewModel : PageViewModelBase
 {
+    private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
+    
     private readonly INotificationService notificationService;
     private readonly ISettingsManager settingsManager;
     private readonly IPrerequisiteHelper prerequisiteHelper;
@@ -141,13 +144,18 @@ public partial class SettingsViewModel : PageViewModelBase
             $"Result: {result}"));
     }
     
-    public async Task ShowPythonVersion()
+    [RelayCommand]
+    private async Task CheckPythonVersion()
     {
+        var isInstalled = prerequisiteHelper.IsPythonInstalled;
+        Logger.Debug($"Check python installed: {isInstalled}");
         // Ensure python installed
         if (!prerequisiteHelper.IsPythonInstalled)
         {
             // Need 7z as well for site packages repack
+            Logger.Debug("Python not installed, unpacking resources...");
             await prerequisiteHelper.UnpackResourcesIfNecessary();
+            Logger.Debug("Unpacked resources, installing python...");
             await prerequisiteHelper.InstallPythonIfNecessary();
         }
 

StabilityMatrix.Avalonia/Views/SettingsPage.axaml

@@ -63,7 +63,7 @@
                                     <controls:FASymbolIconSource Symbol="fa-brands fa-python"/>
                                 </ui:SettingsExpander.IconSource>
                                 <ui:SettingsExpander.Footer>
-                                    <Button Content="Check Version" Command="{Binding ShowPythonVersion}"/>
+                                    <Button Content="Check Version" Command="{Binding CheckPythonVersionCommand}"/>
                                 </ui:SettingsExpander.Footer>
                             </ui:SettingsExpander>
                         </StackPanel>

StabilityMatrix.Core/Python/PyRunner.cs

@@ -2,6 +2,7 @@
 using NLog;
 using Python.Runtime;
 using StabilityMatrix.Core.Helper;
+using StabilityMatrix.Core.Models;
 using StabilityMatrix.Core.Models.FileInterfaces;
 using StabilityMatrix.Core.Processes;
 using StabilityMatrix.Core.Python.Interop;
@@ -17,12 +18,12 @@ public class PyRunner : IPyRunner
     private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
     
     // Set by ISettingsManager.TryFindLibrary()
-    public static DirectoryPath HomeDir { get; set; } = new();
+    public static DirectoryPath HomeDir { get; set; } = string.Empty;
     
     // This is same for all platforms
     public const string PythonDirName = "Python310";
     
-    public static string PythonDir => Path.Combine(HomeDir, "Assets", PythonDirName);
+    public static string PythonDir => Path.Combine(GlobalConfig.LibraryDir, "Assets", PythonDirName);
     public static string PythonDllPath { get; }
     public static string PythonExePath { get; }
     public static string PipExePath { get; }