qmk_firmware/lib/python/qmk/cli/generate/rules_mk.py
2022-10-20 18:21:17 -07:00

106 lines
4.2 KiB
Python
Executable file

"""Used by the make system to generate a rules.mk
"""
from pathlib import Path
from dotty_dict import dotty
from argcomplete.completers import FilesCompleter
from milc import cli
from qmk.info import info_json
from qmk.json_schema import json_load
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.commands import dump_lines, parse_configurator_json
from qmk.path import normpath, FileType
from qmk.constants import GPL2_HEADER_SH_LIKE, GENERATED_HEADER_SH_LIKE
def process_mapping_rule(kb_info_json, rules_key, info_dict):
"""Return the rules.mk line(s) for a mapping rule.
"""
if not info_dict.get('to_c', True):
return None
info_key = info_dict['info_key']
key_type = info_dict.get('value_type', 'raw')
try:
rules_value = kb_info_json[info_key]
except KeyError:
return None
if key_type in ['array', 'list']:
return f'{rules_key} ?= {" ".join(rules_value)}'
elif key_type == 'bool':
return f'{rules_key} ?= {"yes" if rules_value else "no"}'
elif key_type == 'mapping':
return '\n'.join([f'{key} ?= {value}' for key, value in rules_value.items()])
elif key_type == 'str':
return f'{rules_key} ?= "{rules_value}"'
return f'{rules_key} ?= {rules_value}'
@cli.argument('filename', nargs='?', arg_only=True, type=FileType('r'), completer=FilesCompleter('.json'), help='A configurator export JSON to be compiled and flashed or a pre-compiled binary firmware file (bin/hex) to be flashed.')
@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('-e', '--escape', arg_only=True, action='store_true', help="Escape spaces in quiet mode")
@cli.argument('-kb', '--keyboard', arg_only=True, type=keyboard_folder, completer=keyboard_completer, help='Keyboard to generate rules.mk for.')
@cli.subcommand('Used by the make system to generate rules.mk from info.json', hidden=True)
def generate_rules_mk(cli):
"""Generates a rules.mk file from info.json.
"""
converter = None
# Determine our keyboard/keymap
if cli.args.filename:
user_keymap = parse_configurator_json(cli.args.filename)
kb_info_json = dotty(user_keymap.get('config', {}))
converter = user_keymap.get('converter', None)
elif cli.args.keyboard:
kb_info_json = dotty(info_json(cli.args.keyboard))
else:
cli.log.error('You must supply a configurator export or `--keyboard`.')
cli.subcommands['generate-rules-mk'].print_help()
return False
info_rules_map = json_load(Path('data/mappings/info_rules.json'))
rules_mk_lines = [GPL2_HEADER_SH_LIKE, GENERATED_HEADER_SH_LIKE]
# Iterate through the info_rules map to generate basic rules
for rules_key, info_dict in info_rules_map.items():
new_entry = process_mapping_rule(kb_info_json, rules_key, info_dict)
if new_entry:
rules_mk_lines.append(new_entry)
# Iterate through features to enable/disable them
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 SPLIT_TRANSPORT, if needed
if kb_info_json.get('split', {}).get('transport', {}).get('protocol') == 'custom':
rules_mk_lines.append('SPLIT_TRANSPORT ?= custom')
# Set CUSTOM_MATRIX, if needed
if kb_info_json.get('matrix_pins', {}).get('custom'):
if kb_info_json.get('matrix_pins', {}).get('custom_lite'):
rules_mk_lines.append('CUSTOM_MATRIX ?= lite')
else:
rules_mk_lines.append('CUSTOM_MATRIX ?= yes')
if converter:
rules_mk_lines.append(f'CONVERT_TO ?= {converter}')
# Show the results
dump_lines(cli.args.output, rules_mk_lines)
if cli.args.output:
if cli.args.quiet:
if cli.args.escape:
print(cli.args.output.as_posix().replace(' ', '\\ '))
else:
print(cli.args.output)
else:
cli.log.info('Wrote rules.mk to %s.', cli.args.output)