Remove DEFAULT_FOLDER handling (#23281)

lib/python/qmk/keyboard.py

@@ -99,8 +99,6 @@ def find_keyboard_from_dir():
             keymap_index = len(current_path.parts) - current_path.parts.index('keymaps') - 1
             current_path = current_path.parents[keymap_index]
 
-        current_path = resolve_keyboard(current_path)
-
         if qmk.path.is_keyboard(current_path):
             return str(current_path)
 
@@ -121,7 +119,7 @@ def find_readme(keyboard):
 def keyboard_folder(keyboard):
     """Returns the actual keyboard folder.
 
-    This checks aliases and DEFAULT_FOLDER to resolve the actual path for a keyboard.
+    This checks aliases to resolve the actual path for a keyboard.
     """
     aliases = keyboard_alias_definitions()
 
@@ -131,8 +129,6 @@ def keyboard_folder(keyboard):
         if keyboard == last_keyboard:
             break
 
-    keyboard = resolve_keyboard(keyboard)
-
     if not qmk.path.is_keyboard(keyboard):
         raise ValueError(f'Invalid keyboard: {keyboard}')
 
@@ -158,7 +154,7 @@ def keyboard_aliases(keyboard):
 def keyboard_folder_or_all(keyboard):
     """Returns the actual keyboard folder.
 
-    This checks aliases and DEFAULT_FOLDER to resolve the actual path for a keyboard.
+    This checks aliases to resolve the actual path for a keyboard.
     If the supplied argument is "all", it returns an AllKeyboards object.
     """
     if keyboard == 'all':
@@ -179,32 +175,18 @@ def keyboard_completer(prefix, action, parser, parsed_args):
     return list_keyboards()
 
 
-def list_keyboards(resolve_defaults=True):
-    """Returns a list of all keyboards - optionally processing any DEFAULT_FOLDER.
+def list_keyboards():
+    """Returns a list of all keyboards
     """
     # We avoid pathlib here because this is performance critical code.
-    paths = []
-    for marker in ['rules.mk', 'keyboard.json']:
-        kb_wildcard = os.path.join(base_path, "**", marker)
-        paths += [path for path in glob(kb_wildcard, recursive=True) if os.path.sep + 'keymaps' + os.path.sep not in path]
+    kb_wildcard = os.path.join(base_path, "**", 'keyboard.json')
+    paths = [path for path in glob(kb_wildcard, recursive=True) if os.path.sep + 'keymaps' + os.path.sep not in path]
 
     found = map(_find_name, paths)
-    if resolve_defaults:
-        found = map(resolve_keyboard, found)
 
     return sorted(set(found))
 
 
-@lru_cache(maxsize=None)
-def resolve_keyboard(keyboard):
-    cur_dir = Path('keyboards')
-    rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
-    while 'DEFAULT_FOLDER' in rules and keyboard != rules['DEFAULT_FOLDER']:
-        keyboard = rules['DEFAULT_FOLDER']
-        rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
-    return keyboard
-
-
 def config_h(keyboard):
     """Parses all the config.h files for a keyboard.
 
@@ -216,7 +198,7 @@ def config_h(keyboard):
     """
     config = {}
     cur_dir = Path('keyboards')
-    keyboard = Path(resolve_keyboard(keyboard))
+    keyboard = Path(keyboard)
 
     for dir in keyboard.parts:
         cur_dir = cur_dir / dir
@@ -235,7 +217,7 @@ def rules_mk(keyboard):
         a dictionary representing the content of the entire rules.mk tree for a keyboard
     """
     cur_dir = Path('keyboards')
-    keyboard = Path(resolve_keyboard(keyboard))
+    keyboard = Path(keyboard)
     rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
 
     for i, dir in enumerate(keyboard.parts):