3 files changed, 117 insertions, 19 deletions
diff --git a/lib/python/qmk/cli/generate/api.py b/lib/python/qmk/cli/generate/api.py
index 8650a36b84..dd4830f543 100755
--- a/lib/python/qmk/cli/generate/api.py
+++ b/lib/python/qmk/cli/generate/api.py
@@ -11,7 +11,7 @@ from qmk.info import info_json
 from qmk.json_encoders import InfoJSONEncoder
 from qmk.json_schema import json_load
 from qmk.keyboard import find_readme, list_keyboards
-from qmk.keycodes import load_spec, list_versions
+from qmk.keycodes import load_spec, list_versions, list_languages
 
 DATA_PATH = Path('data')
 TEMPLATE_PATH = DATA_PATH / 'templates/api/'
@@ -44,6 +44,13 @@ def _resolve_keycode_specs(output_folder):
         output_file = output_folder / f'constants/keycodes_{version}.json'
         output_file.write_text(json.dumps(overall, indent=4), encoding='utf-8')
 
+    for lang in list_languages():
+        for version in list_versions(lang):
+            overall = load_spec(version, lang)
+
+            output_file = output_folder / f'constants/keycodes_{lang}_{version}.json'
+            output_file.write_text(json.dumps(overall, indent=4), encoding='utf-8')
+
     # Purge files consumed by 'load_spec'
     shutil.rmtree(output_folder / 'constants/keycodes/')
 
diff --git a/lib/python/qmk/cli/generate/keycodes.py b/lib/python/qmk/cli/generate/keycodes.py
index 29b7db3c80..cf80689708 100644
--- a/lib/python/qmk/cli/generate/keycodes.py
+++ b/lib/python/qmk/cli/generate/keycodes.py
@@ -8,6 +8,24 @@ from qmk.path import normpath
 from qmk.keycodes import load_spec
 
 
+def _render_key(key):
+    width = 7
+    if 'S(' in key:
+        width += len('S()')
+    if 'A(' in key:
+        width += len('A()')
+    if 'RCTL(' in key:
+        width += len('RCTL()')
+    if 'ALGR(' in key:
+        width += len('ALGR()')
+    return key.ljust(width)
+
+
+def _render_label(label):
+    label = label.replace("\\", "(backslash)")
+    return label
+
+
 def _generate_ranges(lines, keycodes):
     lines.append('')
     lines.append('enum qk_keycode_ranges {')
@@ -67,6 +85,22 @@ def _generate_helpers(lines, keycodes):
         lines.append(f'#define IS_{ group.upper() }_KEYCODE(code) ((code) >= {lo} && (code) <= {hi})')
 
 
+def _generate_aliases(lines, keycodes):
+    lines.append('')
+    lines.append('// Aliases')
+    for key, value in keycodes["aliases"].items():
+        define = _render_key(value.get("key"))
+        val = _render_key(key)
+        label = _render_label(value.get("label"))
+
+        lines.append(f'#define {define} {val} // {label}')
+
+    lines.append('')
+    for key, value in keycodes["aliases"].items():
+        for alias in value.get("aliases", []):
+            lines.append(f'#define {alias} {value.get("key")}')
+
+
 @cli.argument('-v', '--version', arg_only=True, required=True, help='Version of keycodes to generate.')
 @cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
 @cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
@@ -86,3 +120,23 @@ def generate_keycodes(cli):
 
     # Show the results
     dump_lines(cli.args.output, keycodes_h_lines, cli.args.quiet)
+
+
+@cli.argument('-v', '--version', arg_only=True, required=True, help='Version of keycodes to generate.')
+@cli.argument('-l', '--lang', arg_only=True, required=True, help='Language of keycodes to generate.')
+@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
+@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
+@cli.subcommand('Used by the make system to generate keymap_{lang}.h from keycodes_{lang}_{version}.json', hidden=True)
+def generate_keycode_extras(cli):
+    """Generates the header file.
+    """
+
+    # Build the header file.
+    keycodes_h_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#pragma once', '#include "keymap.h"', '// clang-format off']
+
+    keycodes = load_spec(cli.args.version, cli.args.lang)
+
+    _generate_aliases(keycodes_h_lines, keycodes)
+
+    # Show the results
+    dump_lines(cli.args.output, keycodes_h_lines, cli.args.quiet)
diff --git a/lib/python/qmk/keycodes.py b/lib/python/qmk/keycodes.py
index cf1ee0767a..600163bab9 100644
--- a/lib/python/qmk/keycodes.py
+++ b/lib/python/qmk/keycodes.py
@@ -2,7 +2,42 @@ from pathlib import Path
 
 from qmk.json_schema import deep_update, json_load, validate
 
-CONSTANTS_PATH = Path('data/constants/keycodes/')
+CONSTANTS_PATH = Path('data/constants/')
+KEYCODES_PATH = CONSTANTS_PATH / 'keycodes'
+EXTRAS_PATH = KEYCODES_PATH / 'extras'
+
+
+def _find_versions(path, prefix):
+    ret = []
+    for file in path.glob(f'{prefix}_[0-9].[0-9].[0-9].hjson'):
+        ret.append(file.stem.split('_')[-1])
+
+    ret.sort(reverse=True)
+    return ret
+
+
+def _load_fragments(path, prefix, version):
+    file = path / f'{prefix}_{version}.hjson'
+    if not file.exists():
+        raise ValueError(f'Requested keycode spec ({prefix}:{version}) is invalid!')
+
+    # Load base
+    spec = json_load(file)
+
+    # Merge in fragments
+    fragments = path.glob(f'{prefix}_{version}_*.hjson')
+    for file in fragments:
+        deep_update(spec, json_load(file))
+
+    return spec
+
+
+def _search_path(lang=None):
+    return EXTRAS_PATH if lang else KEYCODES_PATH
+
+
+def _search_prefix(lang=None):
+    return f'keycodes_{lang}' if lang else 'keycodes'
 
 
 def _validate(spec):
@@ -19,26 +54,20 @@ def _validate(spec):
         raise ValueError(f'Keycode spec contains duplicate keycodes! ({",".join(duplicates)})')
 
 
-def load_spec(version):
+def load_spec(version, lang=None):
     """Build keycode data from the requested spec file
     """
     if version == 'latest':
-        version = list_versions()[0]
+        version = list_versions(lang)[0]
 
-    file = CONSTANTS_PATH / f'keycodes_{version}.hjson'
-    if not file.exists():
-        raise ValueError(f'Requested keycode spec ({version}) is invalid!')
+    path = _search_path(lang)
+    prefix = _search_prefix(lang)
 
     # 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))
+    spec = _load_fragments(path, prefix, version)
 
     # Sort?
-    spec['keycodes'] = dict(sorted(spec['keycodes'].items()))
+    spec['keycodes'] = dict(sorted(spec.get('keycodes', {}).items()))
 
     # Validate?
     _validate(spec)
@@ -46,12 +75,20 @@ def load_spec(version):
     return spec
 
 
-def list_versions():
+def list_versions(lang=None):
     """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])
+    path = _search_path(lang)
+    prefix = _search_prefix(lang)
+
+    return _find_versions(path, prefix)
+
+
+def list_languages():
+    """Return available languages
+    """
+    ret = set()
+    for file in EXTRAS_PATH.glob('keycodes_*_[0-9].[0-9].[0-9].hjson'):
+        ret.add(file.stem.split('_')[1])
 
-    ret.sort(reverse=True)
     return ret