qmk_firmware/lib/python/qmk/cli/generate/rules_mk.py
Joel Challis 2e734fb6b9
Add config.h and rules.mk support for data driven keymaps (#12859)
* Add config.h and rules.mk support for data driven keymaps

* tidy up after rebase

* Rename key as it can contain more than just keyboard overrides

* tidy up after rebase

* Add validation
2021-08-18 21:52:41 +01:00

106 lines
4 KiB
Python
Executable file

"""Used by the make system to generate a rules.mk
"""
from pathlib import Path
from dotty_dict import dotty
from milc import cli
from qmk.info import info_json
from qmk.json_schema import json_load, validate
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.keymap import locate_keymap
from qmk.path import normpath
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', 'str')
try:
rules_value = kb_info_json[info_key]
except KeyError:
return None
if key_type == 'array':
return f'{rules_key} ?= {" ".join(rules_value)}'
elif key_type == 'bool':
return f'{rules_key} ?= {"on" if rules_value else "off"}'
elif key_type == 'mapping':
return '\n'.join([f'{key} ?= {value}' for key, value in rules_value.items()])
return f'{rules_key} ?= {rules_value}'
@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, required=True, help='Keyboard to generate rules.mk for.')
@cli.argument('-km', '--keymap', arg_only=True, help='Keymap 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.
"""
# Determine our keyboard/keymap
if cli.args.keymap:
km = locate_keymap(cli.args.keyboard, cli.args.keymap)
km_json = json_load(km)
validate(km_json, 'qmk.keymap.v1')
kb_info_json = dotty(km_json.get('config', {}))
else:
kb_info_json = dotty(info_json(cli.args.keyboard))
info_rules_map = json_load(Path('data/mappings/info_rules.json'))
rules_mk_lines = ['# This file was generated by `qmk generate-rules-mk`. Do not edit or copy.', '']
# 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():
if feature == 'bootmagic_lite' and enabled:
rules_mk_lines.append('BOOTMAGIC_ENABLE ?= lite')
else:
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')
# 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.parent / (cli.args.output.name + '.bak'))
cli.args.output.write_text(rules_mk)
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)
else:
print(rules_mk)