From a69ab05dd687cb9aa38e0c125e4f64956c7da6c7 Mon Sep 17 00:00:00 2001
From: Joel Challis <git@zvecr.com>
Date: Sat, 5 Nov 2022 10:30:09 +0000
Subject: Initial DD keycode migration (#18643)

* Initial DD keycode migration

* Sort magic keycodes
---
 lib/python/qmk/keycodes.py | 57 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 lib/python/qmk/keycodes.py

(limited to 'lib/python/qmk/keycodes.py')

diff --git a/lib/python/qmk/keycodes.py b/lib/python/qmk/keycodes.py
new file mode 100644
index 0000000000..cf1ee0767a
--- /dev/null
+++ b/lib/python/qmk/keycodes.py
@@ -0,0 +1,57 @@
+from pathlib import Path
+
+from qmk.json_schema import deep_update, json_load, validate
+
+CONSTANTS_PATH = Path('data/constants/keycodes/')
+
+
+def _validate(spec):
+    # first throw it to the jsonschema
+    validate(spec, 'qmk.keycodes.v1')
+
+    # no duplicate keycodes
+    keycodes = []
+    for value in spec['keycodes'].values():
+        keycodes.append(value['key'])
+        keycodes.extend(value.get('aliases', []))
+    duplicates = set([x for x in keycodes if keycodes.count(x) > 1])
+    if duplicates:
+        raise ValueError(f'Keycode spec contains duplicate keycodes! ({",".join(duplicates)})')
+
+
+def load_spec(version):
+    """Build keycode data from the requested spec file
+    """
+    if version == 'latest':
+        version = list_versions()[0]
+
+    file = CONSTANTS_PATH / f'keycodes_{version}.hjson'
+    if not file.exists():
+        raise ValueError(f'Requested keycode spec ({version}) is invalid!')
+
+    # Load base
+    spec = json_load(file)
+
+    # Merge in fragments
+    fragments = CONSTANTS_PATH.glob(f'keycodes_{version}_*.hjson')
+    for file in fragments:
+        deep_update(spec, json_load(file))
+
+    # Sort?
+    spec['keycodes'] = dict(sorted(spec['keycodes'].items()))
+
+    # Validate?
+    _validate(spec)
+
+    return spec
+
+
+def list_versions():
+    """Return available versions - sorted newest first
+    """
+    ret = []
+    for file in CONSTANTS_PATH.glob('keycodes_[0-9].[0-9].[0-9].hjson'):
+        ret.append(file.stem.split('_')[1])
+
+    ret.sort(reverse=True)
+    return ret
-- 
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