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-rw-r--r--lib/python/qmk/cli/c2json.py62
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/python/qmk/cli/c2json.py b/lib/python/qmk/cli/c2json.py
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+++ b/lib/python/qmk/cli/c2json.py
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+"""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(keymap_json['keyboard'], keymap_json['layout'], keymap_json['layers'], type='json', keymap=keymap_json['keymap'])
+ 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))