Allow for qmk compile -kb all. (#22022)

lib/python/qmk/keyboard.py

@@ -30,9 +30,29 @@ BOX_DRAWING_CHARACTERS = {
     },
 }
 
+
+class AllKeyboards:
+    """Represents all keyboards.
+    """
+    def __str__(self):
+        return 'all'
+
+    def __repr__(self):
+        return 'all'
+
+    def __eq__(self, other):
+        return isinstance(other, AllKeyboards)
+
+
 base_path = os.path.join(os.getcwd(), "keyboards") + os.path.sep
 
 
+def is_all_keyboards(keyboard):
+    """Returns True if the keyboard is an AllKeyboards object.
+    """
+    return isinstance(keyboard, AllKeyboards)
+
+
 def find_keyboard_from_dir():
     """Returns a keyboard name based on the user's current directory.
     """
@@ -86,6 +106,18 @@ def keyboard_folder(keyboard):
     return 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.
+    If the supplied argument is "all", it returns an AllKeyboards object.
+    """
+    if keyboard == 'all':
+        return AllKeyboards()
+
+    return keyboard_folder(keyboard)
+
+
 def _find_name(path):
     """Determine the keyboard name by stripping off the base_path and rules.mk.
     """