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"""Keyboard information script.
Compile an info.json for a particular keyboard and pretty-print it.
"""
import json
from argcomplete.completers import FilesCompleter
from jsonschema import Draft7Validator, RefResolver, validators
from milc import cli
from pathlib import Path
from qmk.decorators import automagic_keyboard, automagic_keymap
from qmk.info import info_json
from qmk.json_encoders import InfoJSONEncoder
from qmk.json_schema import compile_schema_store
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.path import is_keyboard, normpath
def pruning_validator(validator_class):
"""Extends Draft7Validator to remove properties that aren't specified in the schema.
"""
validate_properties = validator_class.VALIDATORS["properties"]
def remove_additional_properties(validator, properties, instance, schema):
for prop in list(instance.keys()):
if prop not in properties:
del instance[prop]
for error in validate_properties(validator, properties, instance, schema):
yield error
return validators.extend(validator_class, {"properties": remove_additional_properties})
def strip_info_json(kb_info_json):
"""Remove the API-only properties from the info.json.
"""
schema_store = compile_schema_store()
pruning_draft_7_validator = pruning_validator(Draft7Validator)
schema = schema_store['qmk.keyboard.v1']
resolver = RefResolver.from_schema(schema_store['qmk.keyboard.v1'], store=schema_store)
validator = pruning_draft_7_validator(schema, resolver=resolver).validate
return validator(kb_info_json)
@cli.argument('-kb', '--keyboard', type=keyboard_folder, completer=keyboard_completer, help='Keyboard to show info for.')
@cli.argument('-km', '--keymap', help='Show the layers for a JSON keymap too.')
@cli.argument('-o', '--output', arg_only=True, completer=FilesCompleter, help='Write the output the specified file, overwriting if necessary.')
@cli.argument('-ow', '--overwrite', arg_only=True, action='store_true', help='Overwrite the existing info.json. (Overrides the location of --output)')
@cli.subcommand('Generate an info.json file for a keyboard.', hidden=False if cli.config.user.developer else True)
@automagic_keyboard
@automagic_keymap
def generate_info_json(cli):
"""Generate an info.json file for a keyboard
"""
# Determine our keyboard(s)
if not cli.config.generate_info_json.keyboard:
cli.log.error('Missing parameter: --keyboard')
cli.subcommands['info'].print_help()
return False
if not is_keyboard(cli.config.generate_info_json.keyboard):
cli.log.error('Invalid keyboard: "%s"', cli.config.generate_info_json.keyboard)
return False
if cli.args.overwrite:
output_path = (Path('keyboards') / cli.config.generate_info_json.keyboard / 'info.json').resolve()
if cli.args.output:
cli.log.warning('Overwriting user supplied --output with %s', output_path)
cli.args.output = output_path
# Build the info.json file
kb_info_json = info_json(cli.config.generate_info_json.keyboard)
strip_info_json(kb_info_json)
info_json_text = json.dumps(kb_info_json, indent=4, cls=InfoJSONEncoder)
if cli.args.output:
# Write to a file
output_path = normpath(cli.args.output)
if output_path.exists():
cli.log.warning('Overwriting output file %s', output_path)
output_path.write_text(info_json_text + '\n')
cli.log.info('Wrote info.json to %s.', output_path)
else:
# Display the results
print(info_json_text)
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