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

110 lines
3.9 KiB
Python
Executable File

"""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, UserspaceJSONEncoder
from qmk.path import normpath
def _detect_json_format(file, json_data):
"""Detect the format of a json file.
"""
json_encoder = None
try:
validate(json_data, 'qmk.user_repo.v1_1')
json_encoder = UserspaceJSONEncoder
except ValidationError:
pass
if json_encoder is None:
try:
validate(json_data, 'qmk.user_repo.v1')
json_encoder = UserspaceJSONEncoder
except ValidationError:
pass
if json_encoder is None:
try:
validate(json_data, 'qmk.keyboard.v1')
json_encoder = InfoJSONEncoder
except ValidationError as e:
cli.log.warning('File %s did not validate as a keyboard info.json or userspace qmk.json:\n\t%s', file, e)
cli.log.info('Treating %s as a keymap file.', file)
json_encoder = KeymapJSONEncoder
return json_encoder
def _get_json_encoder(file, json_data):
"""Get the json encoder for a file.
"""
json_encoder = None
if cli.args.format == 'auto':
json_encoder = _detect_json_format(file, json_data)
elif cli.args.format == 'keyboard':
json_encoder = InfoJSONEncoder
elif cli.args.format == 'keymap':
json_encoder = KeymapJSONEncoder
elif cli.args.format == 'userspace':
json_encoder = UserspaceJSONEncoder
else:
# This should be impossible
cli.log.error('Unknown format: %s', cli.args.format)
return json_encoder
@cli.argument('json_file', arg_only=True, type=normpath, help='JSON file to format')
@cli.argument('-f', '--format', choices=['auto', 'keyboard', 'keymap', 'userspace'], default='auto', arg_only=True, help='JSON formatter to use (Default: autodetect)')
@cli.argument('-i', '--inplace', action='store_true', arg_only=True, help='If set, will operate in-place on the input file')
@cli.argument('-p', '--print', action='store_true', arg_only=True, help='If set, will print the formatted json to stdout ')
@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_data = json_load(cli.args.json_file)
json_encoder = _get_json_encoder(cli.args.json_file, json_data)
if json_encoder is None:
return False
if json_encoder == KeymapJSONEncoder and 'layout' in json_data:
# Attempt to format the keycodes.
layout = json_data['layout']
info_data = info_json(json_data['keyboard'])
if layout in info_data.get('layout_aliases', {}):
layout = json_data['layout'] = info_data['layout_aliases'][layout]
if layout in info_data.get('layouts'):
for layer_num, layer in enumerate(json_data['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_data['layers'][layer_num] = current_layer
output = json.dumps(json_data, cls=json_encoder, sort_keys=True)
if cli.args.inplace:
with open(cli.args.json_file, 'w+', encoding='utf-8', newline='\n') as outfile:
outfile.write(output + '\n')
# Display the results if print was set
# We don't operate in-place by default, so also display to stdout
# if in-place is not set.
if cli.args.print or not cli.args.inplace:
print(output)