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"""Used by the make system to generate a rules.mk
"""
from milc import cli
from qmk.decorators import automagic_keyboard, automagic_keymap
from qmk.info import info_json
from qmk.path import is_keyboard, normpath
info_to_rules = {
'bootloader': 'BOOTLOADER',
'processor': 'MCU'
}
@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
@cli.argument('-kb', '--keyboard', help='Keyboard to generate config.h for.')
@cli.subcommand('Used by the make system to generate info_config.h from info.json', hidden=True)
@automagic_keyboard
@automagic_keymap
def generate_rules_mk(cli):
"""Generates a rules.mk file from info.json.
"""
# Determine our keyboard(s)
if not cli.config.generate_rules_mk.keyboard:
cli.log.error('Missing paramater: --keyboard')
cli.subcommands['info'].print_help()
return False
if not is_keyboard(cli.config.generate_rules_mk.keyboard):
cli.log.error('Invalid keyboard: "%s"', cli.config.generate_rules_mk.keyboard)
return False
# Build the info.json file
kb_info_json = info_json(cli.config.generate_rules_mk.keyboard)
rules_mk_lines = ['# This file was generated by `qmk generate-rules-mk`. Do not edit or copy.', '']
# Bring in settings
for info_key, rule_key in info_to_rules.items():
rules_mk_lines.append(f'{rule_key} := {kb_info_json[info_key]}')
# Find features that should be enabled
if 'features' in kb_info_json:
for feature, enabled in kb_info_json['features'].items():
feature = feature.upper()
enabled = 'yes' if enabled else 'no'
rules_mk_lines.append(f'{feature}_ENABLE := {enabled}')
# Set the LED driver
if 'led_matrix' in kb_info_json and 'driver' in kb_info_json['led_matrix']:
driver = kb_info_json['led_matrix']['driver']
rules_mk_lines.append(f'LED_MATRIX_DRIVER = {driver}')
# Add community layouts
if 'community_layouts' in kb_info_json:
rules_mk_lines.append(f'LAYOUTS = {" ".join(kb_info_json["community_layouts"])}')
# Show the results
rules_mk = '\n'.join(rules_mk_lines) + '\n'
if cli.args.output:
cli.args.output.parent.mkdir(parents=True, exist_ok=True)
if cli.args.output.exists():
cli.args.output.replace(cli.args.output.name + '.bak')
cli.args.output.write_text(rules_mk)
if cli.args.quiet:
print(cli.args.output)
else:
cli.log.info('Wrote info_config.h to %s.', cli.args.output)
else:
print(rules_mk)
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