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"""JSON Formatting Script
Spits out a JSON file formatted with one of QMK's formatters.
"""
import json
from jsonschema import ValidationError
from milc import cli
from qmk.info import info_json
from qmk.json_schema import json_load, validate
from qmk.json_encoders import InfoJSONEncoder, KeymapJSONEncoder
from qmk.path import normpath
@cli.argument('json_file', arg_only=True, type=normpath, help='JSON file to format')
@cli.argument('-f', '--format', choices=['auto', 'keyboard', 'keymap'], default='auto', arg_only=True, help='JSON formatter to use (Default: autodetect)')
@cli.subcommand('Generate an info.json file for a keyboard.', hidden=False if cli.config.user.developer else True)
def format_json(cli):
"""Format a json file.
"""
json_file = json_load(cli.args.json_file)
if cli.args.format == 'auto':
try:
validate(json_file, 'qmk.keyboard.v1')
json_encoder = InfoJSONEncoder
except ValidationError as e:
cli.log.warning('File %s did not validate as a keyboard:\n\t%s', cli.args.json_file, e)
cli.log.info('Treating %s as a keymap file.', cli.args.json_file)
json_encoder = KeymapJSONEncoder
elif cli.args.format == 'keyboard':
json_encoder = InfoJSONEncoder
elif cli.args.format == 'keymap':
json_encoder = KeymapJSONEncoder
else:
# This should be impossible
cli.log.error('Unknown format: %s', cli.args.format)
return False
if json_encoder == KeymapJSONEncoder and 'layout' in json_file:
# Attempt to format the keycodes.
layout = json_file['layout']
info_data = info_json(json_file['keyboard'])
if layout in info_data.get('layout_aliases', {}):
layout = json_file['layout'] = info_data['layout_aliases'][layout]
if layout in info_data.get('layouts'):
for layer_num, layer in enumerate(json_file['layers']):
current_layer = []
last_row = 0
for keymap_key, info_key in zip(layer, info_data['layouts'][layout]['layout']):
if last_row != info_key['y']:
current_layer.append('JSON_NEWLINE')
last_row = info_key['y']
current_layer.append(keymap_key)
json_file['layers'][layer_num] = current_layer
# Display the results
print(json.dumps(json_file, cls=json_encoder, sort_keys=True))
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