GUI: Add error handling for object deletion

resources/wx_gui/gui_build.py

@@ -97,7 +97,6 @@ class BuildFrame(wx.Frame):
         )
         dialog.SetYesNoLabels("Install to disk", "View build log")
 
-
         self.on_install() if dialog.ShowModal() == wx.ID_YES else self.install_button.Enable()
 
 

resources/wx_gui/gui_entry.py

@@ -7,9 +7,9 @@ from resources import constants
 from resources.wx_gui import (
     gui_main_menu,
     gui_build,
-    gui_menubar,
     gui_install_oc,
-    gui_sys_patch
+    gui_sys_patch,
+    gui_support
 )
 from resources.sys_patch import sys_patch_detect
 
@@ -53,7 +53,8 @@ class EntryPoint:
             screen_location=None,
             **({"patches": patches} if "--gui_patch" in sys.argv or "--gui_unpatch" in sys.argv else {})
         )
-        self.frame.SetMenuBar(gui_menubar.GenerateMenubar().generate())
+        if self.frame:
+            self.frame.SetMenuBar(gui_support.GenerateMenubar().generate())
         atexit.register(self.OnCloseFrame)
 
         if "--gui_patch" in sys.argv:

resources/wx_gui/gui_menubar.py

@@ -1,14 +0,0 @@
-# Generates menubar for wxPython to use
-
-import wx
-
-class GenerateMenubar:
-
-    def __init__(self) -> None:
-        self.menubar: wx.MenuBar = None
-
-
-    def generate(self) -> wx.MenuBar:
-        self.menubar = wx.MenuBar()
-
-        return self.menubar

resources/wx_gui/gui_support.py

@@ -10,6 +10,17 @@ from pathlib import Path
 from resources import constants
 
 
+class GenerateMenubar:
+
+    def __init__(self) -> None:
+        self.menubar: wx.MenuBar = None
+
+
+    def generate(self) -> wx.MenuBar:
+        self.menubar = wx.MenuBar()
+        return self.menubar
+
+
 class PayloadMount:
 
     def __init__(self, global_constants: constants.Constants, frame: wx.Frame) -> None:

resources/wx_gui/gui_sys_patch.py

@@ -36,13 +36,12 @@ class SysPatchMenu(wx.Frame):
         self.return_button: wx.Button = None
 
         self.frame_modal = wx.Dialog(self, title=title, size=(360, 200))
+        self.SetPosition(screen_location) if screen_location else self.Centre()
 
         if patches:
             return
 
         self._generate_elements_display_patches(self.frame_modal, patches)
-
-        self.SetPosition(screen_location) if screen_location else self.Centre()
         self.frame_modal.ShowWindowModal()
 
 
@@ -260,8 +259,9 @@ class SysPatchMenu(wx.Frame):
         else:
             if patches["Validation: Patching Possible"] is False:
                 start_button.Disable()
-            if patches["Validation: Unpatching Possible"] is False:
+        if can_unpatch is False:
-                revert_button.Disable()
+            revert_button.Disable()
+
 
         # Relaunch as root if not root
         uid = os.geteuid()