Generate keymap dd keycodes to header (#20273)

lib/python/qmk/cli/generate/keymap_h.py

@@ -0,0 +1,51 @@
+from argcomplete.completers import FilesCompleter
+
+from milc import cli
+
+import qmk.path
+from qmk.commands import dump_lines
+from qmk.commands import parse_configurator_json
+from qmk.constants import GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
+
+
+def _generate_keycodes_function(keymap_json):
+    """Generates keymap level keycodes.
+    """
+    lines = []
+    lines.append('enum keymap_keycodes {')
+
+    for index, item in enumerate(keymap_json.get('keycodes', [])):
+        key = item["key"]
+        if index == 0:
+            lines.append(f'  {key} = QK_USER_0,')
+        else:
+            lines.append(f'  {key},')
+
+    lines.append('};')
+
+    for item in keymap_json.get('keycodes', []):
+        key = item["key"]
+        for alias in item.get("aliases", []):
+            lines.append(f'#define {alias} {key}')
+
+    return lines
+
+
+@cli.argument('-o', '--output', arg_only=True, type=qmk.path.normpath, help='File to write to')
+@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
+@cli.argument('filename', type=qmk.path.FileType('r'), arg_only=True, completer=FilesCompleter('.json'), help='Configurator JSON file')
+@cli.subcommand('Creates a keymap.h from a QMK Configurator export.')
+def generate_keymap_h(cli):
+    """Creates a keymap.h from a QMK Configurator export
+    """
+    if cli.args.output and cli.args.output.name == '-':
+        cli.args.output = None
+
+    keymap_h_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#pragma once', '// clang-format off']
+
+    keymap_json = parse_configurator_json(cli.args.filename)
+
+    if 'keycodes' in keymap_json and keymap_json['keycodes'] is not None:
+        keymap_h_lines += _generate_keycodes_function(keymap_json)
+
+    dump_lines(cli.args.output, keymap_h_lines, cli.args.quiet)