Custom keycodes in JSON (#19925)

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/python/qmk/info.py b/lib/python/qmk/info.py
index b7ee055eef..f4dcc507ef 100644
--- a/lib/python/qmk/info.py
+++ b/lib/python/qmk/info.py
@@ -103,6 +103,12 @@ def _validate(keyboard, info_data):
         if layout_name not in layouts and layout_name not in layout_aliases:
             _log_error(info_data, 'Claims to support community layout %s but no %s() macro found' % (layout, layout_name))
 
+    # keycodes with length > 7 must have short forms for visualisation purposes
+    for decl in info_data.get('keycodes', []):
+        if len(decl["key"]) > 7:
+            if not decl.get("aliases", []):
+                _log_error(info_data, f'Keycode {decl["key"]} has no short form alias')
+
 
 def info_json(keyboard):
     """Generate the info.json data for a specific keyboard.