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-rwxr-xr-xlib/python/qmk/cli/json2c.py56
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/python/qmk/cli/json2c.py b/lib/python/qmk/cli/json2c.py
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+++ b/lib/python/qmk/cli/json2c.py
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+"""Generate a keymap.c from a configurator export.
+"""
+import json
+from pathlib import Path
+
+from milc import cli
+
+import qmk.keymap
+import qmk.path
+
+
+@cli.argument('-o', '--output', arg_only=True, type=Path, 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', arg_only=True, help='Configurator JSON file')
+@cli.subcommand('Creates a keymap.c from a QMK Configurator export.')
+def json2c(cli):
+ """Generate a keymap.c from a configurator export.
+
+ This command uses the `qmk.keymap` module to generate a keymap.c from a configurator export. 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('JSON 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 configurator json
+ with cli.args.filename.open('r') as fd:
+ user_keymap = json.load(fd)
+
+ # Generate the keymap
+ keymap_c = qmk.keymap.generate(user_keymap['keyboard'], user_keymap['layout'], user_keymap['layers'])
+
+ 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(keymap_c)
+
+ if not cli.args.quiet:
+ cli.log.info('Wrote keymap to %s.', cli.args.output)
+
+ else:
+ print(keymap_c)