- """Generate a keymap.json from a keymap.c file.
- """
- import json
- import sys
-
- from milc import cli
-
- import qmk.keymap
- import qmk.path
-
-
- @cli.argument('--no-cpp', arg_only=True, action='store_false', help='Do not use \'cpp\' on keymap.c')
- @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('-kb', '--keyboard', arg_only=True, required=True, help='The keyboard\'s name')
- @cli.argument('-km', '--keymap', arg_only=True, required=True, help='The keymap\'s name')
- @cli.argument('filename', arg_only=True, help='keymap.c file')
- @cli.subcommand('Creates a keymap.json from a keymap.c file.')
- def c2json(cli):
- """Generate a keymap.json from a keymap.c file.
-
- This command uses the `qmk.keymap` module to generate a keymap.json from a keymap.c file. The generated keymap is written to stdout, or to a file if -o is provided.
- """
- cli.args.filename = qmk.path.normpath(cli.args.filename)
-
- # Error checking
- if not cli.args.filename.exists():
- cli.log.error('C file does not exist!')
- cli.print_usage()
- exit(1)
-
- if str(cli.args.filename) == '-':
- # TODO(skullydazed/anyone): Read file contents from STDIN
- cli.log.error('Reading from STDIN is not (yet) supported.')
- cli.print_usage()
- exit(1)
-
- # Environment processing
- if cli.args.output == ('-'):
- cli.args.output = None
-
- # Parse the keymap.c
- keymap_json = qmk.keymap.c2json(cli.args.keyboard, cli.args.keymap, cli.args.filename, use_cpp=cli.args.no_cpp)
-
- # Generate the keymap.json
- try:
- keymap_json = qmk.keymap.generate_json(keymap_json['keymap'], keymap_json['keyboard'], keymap_json['layout'], keymap_json['layers'])
- except KeyError:
- cli.log.error('Something went wrong. Try to use --no-cpp.')
- sys.exit(1)
-
- if cli.args.output:
- cli.args.output.parent.mkdir(parents=True, exist_ok=True)
- if cli.args.output.exists():
- cli.args.output.replace(cli.args.output.name + '.bak')
- cli.args.output.write_text(json.dumps(keymap_json))
-
- if not cli.args.quiet:
- cli.log.info('Wrote keymap to %s.', cli.args.output)
-
- else:
- print(json.dumps(keymap_json))
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