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