forked from mirrors/qmk_firmware
73 lines
3.2 KiB
Python
73 lines
3.2 KiB
Python
"""Generate a keymap.json from a keymap.c file.
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"""
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import re
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import json
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from argcomplete.completers import FilesCompleter
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from milc import cli
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import qmk.path
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from qmk.json_encoders import InfoJSONEncoder
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from qmk.decorators import automagic_keyboard, automagic_keymap
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from qmk.keyboard import keyboard_completer, keyboard_folder
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from qmk.keymap import locate_keymap, find_keymap_from_dir, generate_json, c2json as c2json_impl
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from qmk.errors import CppError
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from qmk.commands import dump_lines
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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', type=keyboard_folder, completer=keyboard_completer, help='The keyboard\'s name')
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@cli.argument('-km', '--keymap', help='The keymap\'s name')
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@cli.argument('filename', nargs='?', type=qmk.path.FileType('r'), arg_only=True, completer=FilesCompleter('.c'), help='keymap.c file')
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@cli.subcommand('Creates a keymap.json from a keymap.c file.')
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@automagic_keyboard
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@automagic_keymap
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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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filename = cli.args.filename
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keyboard = cli.config.c2json.keyboard
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keymap = cli.config.c2json.keymap
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if filename:
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if not keyboard and not keymap:
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# fallback to inferring keyboard/keymap from path
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(keymap, found_type) = find_keymap_from_dir(filename)
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if found_type == 'keymap_directory':
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keyboard = re.search(fr"keyboards/(.+)/keymaps/{keymap}/.*", filename.as_posix()).group(1)
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elif keyboard and keymap:
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if not filename:
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# fallback to inferring keyboard/keymap from path
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filename = locate_keymap(keyboard, keymap)
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if not all((filename, keyboard, keymap)):
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cli.log.error('You must supply keyboard and keymap, a path to a keymap.c within qmk_firmware, or absolute filename and keyboard and keymap')
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cli.print_help()
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return False
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try:
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keymap_json = c2json_impl(keyboard, keymap, filename, use_cpp=cli.args.no_cpp)
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except CppError as e:
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if cli.config.general.verbose:
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cli.log.debug('The C pre-processor ran into a fatal error: %s', e)
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cli.log.error('Something went wrong. Try to use --no-cpp.\nUse the CLI in verbose mode to find out more.')
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return False
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# Generate the keymap.json
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try:
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keymap_json = generate_json(keymap_json['keymap'], keymap_json['keyboard'], keymap_json['layout'], keymap_json['layers'])
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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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return False
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if cli.args.output:
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keymap_lines = [json.dumps(keymap_json, cls=InfoJSONEncoder, sort_keys=True)]
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else:
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keymap_lines = [json.dumps(keymap_json)]
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dump_lines(cli.args.output, keymap_lines, cli.args.quiet)
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