remove other GUI options that are not implemented

remove unused import + reduce scope of import exceptions
proper check for None values
staticmethod + classmethod
fix shadowing
fix mutable default arg
more pythonic way to check len
simplify checks
Unused local symbols
remove some obvious comments
drop unused widget
handle error on quit
use os.path.join
use os.makedirs
fix some naming to be clearer

.gitignore

@@ -2,8 +2,8 @@
 /log/
 /screenshot/
 /maptile/*
-/course/ridewithgps/*
-/course/*html*
+/courses/ridewithgps/*
+/courses/*html*
 /.idea/
 /.vscode/
 /.venv/

modules/button_config.py

@@ -160,7 +160,7 @@ def __init__(self, config):
         self.config = config
 
     def press_button(self, button_hard, press_button, index):
-        if self.config.gui == None or self.config.gui.stack_widget == None:
+        if self.config.gui is None or self.config.gui.stack_widget is None:
             return
 
         w_index = self.config.gui.stack_widget.currentIndex()