qmk_firmware/lib/python/qmk/cli/json/keymap.py

55 lines
1.7 KiB
Python
Executable File

"""Generate a keymap.c from a configurator export.
"""
import json
import os
import sys
from milc import cli
import qmk.keymap
@cli.argument('-o', '--output', arg_only=True, help='File to write to')
@cli.argument('filename', arg_only=True, help='Configurator JSON file')
@cli.subcommand('Create a keymap.c from a QMK Configurator export.')
def json_keymap(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.
"""
# Error checking
if cli.args.filename == ('-'):
cli.log.error('Reading from STDIN is not (yet) supported.')
cli.print_usage()
exit(1)
if not os.path.exists(qmk.path.normpath(cli.args.filename)):
cli.log.error('JSON file does not exist!')
cli.print_usage()
exit(1)
# Environment processing
if cli.args.output == ('-'):
cli.args.output = None
# Parse the configurator json
with open(qmk.path.normpath(cli.args.filename), '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:
output_dir = os.path.dirname(cli.args.output)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
output_file = qmk.path.normpath(cli.args.output)
with open(output_file, 'w') as keymap_fd:
keymap_fd.write(keymap_c)
cli.log.info('Wrote keymap to %s.', cli.args.output)
else:
print(keymap_c)