qmk_firmware/lib/python/qmk/info.py

600 lines
20 KiB
Python

"""Functions that help us generate and use info.json files.
"""
import json
from collections.abc import Mapping
from glob import glob
from pathlib import Path
import hjson
import jsonschema
from dotty_dict import dotty
from milc import cli
from qmk.constants import CHIBIOS_PROCESSORS, LUFA_PROCESSORS, VUSB_PROCESSORS
from qmk.c_parse import find_layouts
from qmk.keyboard import config_h, rules_mk
from qmk.keymap import list_keymaps
from qmk.makefile import parse_rules_mk_file
from qmk.math import compute
true_values = ['1', 'on', 'yes']
false_values = ['0', 'off', 'no']
def info_json(keyboard):
"""Generate the info.json data for a specific keyboard.
"""
cur_dir = Path('keyboards')
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
if 'DEFAULT_FOLDER' in rules:
keyboard = rules['DEFAULT_FOLDER']
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk', rules)
info_data = {
'keyboard_name': str(keyboard),
'keyboard_folder': str(keyboard),
'keymaps': {},
'layouts': {},
'parse_errors': [],
'parse_warnings': [],
'maintainer': 'qmk',
}
# Populate the list of JSON keymaps
for keymap in list_keymaps(keyboard, c=False, fullpath=True):
info_data['keymaps'][keymap.name] = {'url': f'https://raw.githubusercontent.com/qmk/qmk_firmware/master/{keymap}/keymap.json'}
# Populate layout data
layouts, aliases = _find_all_layouts(info_data, keyboard)
if aliases:
info_data['layout_aliases'] = aliases
for layout_name, layout_json in layouts.items():
if not layout_name.startswith('LAYOUT_kc'):
layout_json['c_macro'] = True
info_data['layouts'][layout_name] = layout_json
# Merge in the data from info.json, config.h, and rules.mk
info_data = merge_info_jsons(keyboard, info_data)
info_data = _extract_config_h(info_data)
info_data = _extract_rules_mk(info_data)
# Validate against the jsonschema
try:
keyboard_api_validate(info_data)
except jsonschema.ValidationError as e:
json_path = '.'.join([str(p) for p in e.absolute_path])
cli.log.error('Invalid API data: %s: %s: %s', keyboard, json_path, e.message)
exit()
# Make sure we have at least one layout
if not info_data.get('layouts'):
_log_error(info_data, 'No LAYOUTs defined! Need at least one layout defined in the keyboard.h or info.json.')
# Make sure we supply layout macros for the community layouts we claim to support
for layout in info_data.get('community_layouts', []):
layout_name = 'LAYOUT_' + layout
if layout_name not in info_data.get('layouts', {}) and layout_name not in info_data.get('layout_aliases', {}):
_log_error(info_data, 'Claims to support community layout %s but no %s() macro found' % (layout, layout_name))
return info_data
def _json_load(json_file):
"""Load a json file from disk.
Note: file must be a Path object.
"""
try:
return hjson.load(json_file.open(encoding='utf-8'))
except json.decoder.JSONDecodeError as e:
cli.log.error('Invalid JSON encountered attempting to load {fg_cyan}%s{fg_reset}:\n\t{fg_red}%s', json_file, e)
exit(1)
def _jsonschema(schema_name):
"""Read a jsonschema file from disk.
FIXME(skullydazed/anyone): Refactor to make this a public function.
"""
schema_path = Path(f'data/schemas/{schema_name}.jsonschema')
if not schema_path.exists():
schema_path = Path('data/schemas/false.jsonschema')
return _json_load(schema_path)
def keyboard_validate(data):
"""Validates data against the keyboard jsonschema.
"""
schema = _jsonschema('keyboard')
validator = jsonschema.Draft7Validator(schema).validate
return validator(data)
def keyboard_api_validate(data):
"""Validates data against the api_keyboard jsonschema.
"""
base = _jsonschema('keyboard')
relative = _jsonschema('api_keyboard')
resolver = jsonschema.RefResolver.from_schema(base)
validator = jsonschema.Draft7Validator(relative, resolver=resolver).validate
return validator(data)
def _extract_features(info_data, rules):
"""Find all the features enabled in rules.mk.
"""
# Special handling for bootmagic which also supports a "lite" mode.
if rules.get('BOOTMAGIC_ENABLE') == 'lite':
rules['BOOTMAGIC_LITE_ENABLE'] = 'on'
del rules['BOOTMAGIC_ENABLE']
if rules.get('BOOTMAGIC_ENABLE') == 'full':
rules['BOOTMAGIC_ENABLE'] = 'on'
# Skip non-boolean features we haven't implemented special handling for
for feature in 'HAPTIC_ENABLE', 'QWIIC_ENABLE':
if rules.get(feature):
del rules[feature]
# Process the rest of the rules as booleans
for key, value in rules.items():
if key.endswith('_ENABLE'):
key = '_'.join(key.split('_')[:-1]).lower()
value = True if value.lower() in true_values else False if value.lower() in false_values else value
if 'config_h_features' not in info_data:
info_data['config_h_features'] = {}
if 'features' not in info_data:
info_data['features'] = {}
if key in info_data['features']:
_log_warning(info_data, 'Feature %s is specified in both info.json and rules.mk, the rules.mk value wins.' % (key,))
info_data['features'][key] = value
info_data['config_h_features'][key] = value
return info_data
def _pin_name(pin):
"""Returns the proper representation for a pin.
"""
pin = pin.strip()
if not pin:
return None
elif pin.isdigit():
return int(pin)
elif pin == 'NO_PIN':
return None
elif pin[0] in 'ABCDEFGHIJK' and pin[1].isdigit():
return pin
raise ValueError(f'Invalid pin: {pin}')
def _extract_pins(pins):
"""Returns a list of pins from a comma separated string of pins.
"""
return [_pin_name(pin) for pin in pins.split(',')]
def _extract_direct_matrix(info_data, direct_pins):
"""
"""
info_data['matrix_pins'] = {}
direct_pin_array = []
while direct_pins[-1] != '}':
direct_pins = direct_pins[:-1]
for row in direct_pins.split('},{'):
if row.startswith('{'):
row = row[1:]
if row.endswith('}'):
row = row[:-1]
direct_pin_array.append([])
for pin in row.split(','):
if pin == 'NO_PIN':
pin = None
direct_pin_array[-1].append(pin)
return direct_pin_array
def _extract_matrix_info(info_data, config_c):
"""Populate the matrix information.
"""
row_pins = config_c.get('MATRIX_ROW_PINS', '').replace('{', '').replace('}', '').strip()
col_pins = config_c.get('MATRIX_COL_PINS', '').replace('{', '').replace('}', '').strip()
direct_pins = config_c.get('DIRECT_PINS', '').replace(' ', '')[1:-1]
if 'MATRIX_ROWS' in config_c and 'MATRIX_COLS' in config_c:
if 'matrix_size' in info_data:
_log_warning(info_data, 'Matrix size is specified in both info.json and config.h, the config.h values win.')
info_data['matrix_size'] = {
'cols': compute(config_c.get('MATRIX_COLS', '0')),
'rows': compute(config_c.get('MATRIX_ROWS', '0')),
}
if row_pins and col_pins:
if 'matrix_pins' in info_data:
_log_warning(info_data, 'Matrix pins are specified in both info.json and config.h, the config.h values win.')
info_data['matrix_pins'] = {
'cols': _extract_pins(col_pins),
'rows': _extract_pins(row_pins),
}
if direct_pins:
if 'matrix_pins' in info_data:
_log_warning(info_data, 'Direct pins are specified in both info.json and config.h, the config.h values win.')
info_data['matrix_pins']['direct'] = _extract_direct_matrix(info_data, direct_pins)
return info_data
def _extract_config_h(info_data):
"""Pull some keyboard information from existing config.h files
"""
config_c = config_h(info_data['keyboard_folder'])
# Pull in data from the json map
dotty_info = dotty(info_data)
info_config_map = _json_load(Path('data/mappings/info_config.json'))
for config_key, info_dict in info_config_map.items():
info_key = info_dict['info_key']
key_type = info_dict.get('value_type', 'str')
try:
if config_key in config_c and info_dict.get('to_json', True):
if dotty_info.get(info_key) and info_dict.get('warn_duplicate', True):
_log_warning(info_data, '%s in config.h is overwriting %s in info.json' % (config_key, info_key))
if key_type.startswith('array'):
if '.' in key_type:
key_type, array_type = key_type.split('.', 1)
else:
array_type = None
config_value = config_c[config_key].replace('{', '').replace('}', '').strip()
if array_type == 'int':
dotty_info[info_key] = list(map(int, config_value.split(',')))
else:
dotty_info[info_key] = config_value.split(',')
elif key_type == 'bool':
dotty_info[info_key] = config_c[config_key] in true_values
elif key_type == 'hex':
dotty_info[info_key] = '0x' + config_c[config_key][2:].upper()
elif key_type == 'list':
dotty_info[info_key] = config_c[config_key].split()
elif key_type == 'int':
dotty_info[info_key] = int(config_c[config_key])
else:
dotty_info[info_key] = config_c[config_key]
except Exception as e:
_log_warning(info_data, f'{config_key}->{info_key}: {e}')
info_data.update(dotty_info)
# Pull data that easily can't be mapped in json
_extract_matrix_info(info_data, config_c)
return info_data
def _extract_rules_mk(info_data):
"""Pull some keyboard information from existing rules.mk files
"""
rules = rules_mk(info_data['keyboard_folder'])
info_data['processor'] = rules.get('MCU', info_data.get('processor', 'atmega32u4'))
if info_data['processor'] in CHIBIOS_PROCESSORS:
arm_processor_rules(info_data, rules)
elif info_data['processor'] in LUFA_PROCESSORS + VUSB_PROCESSORS:
avr_processor_rules(info_data, rules)
else:
cli.log.warning("%s: Unknown MCU: %s" % (info_data['keyboard_folder'], info_data['processor']))
unknown_processor_rules(info_data, rules)
# Pull in data from the json map
dotty_info = dotty(info_data)
info_rules_map = _json_load(Path('data/mappings/info_rules.json'))
for rules_key, info_dict in info_rules_map.items():
info_key = info_dict['info_key']
key_type = info_dict.get('value_type', 'str')
try:
if rules_key in rules and info_dict.get('to_json', True):
if dotty_info.get(info_key) and info_dict.get('warn_duplicate', True):
_log_warning(info_data, '%s in rules.mk is overwriting %s in info.json' % (rules_key, info_key))
if key_type.startswith('array'):
if '.' in key_type:
key_type, array_type = key_type.split('.', 1)
else:
array_type = None
rules_value = rules[rules_key].replace('{', '').replace('}', '').strip()
if array_type == 'int':
dotty_info[info_key] = list(map(int, rules_value.split(',')))
else:
dotty_info[info_key] = rules_value.split(',')
elif key_type == 'list':
dotty_info[info_key] = rules[rules_key].split()
elif key_type == 'bool':
dotty_info[info_key] = rules[rules_key] in true_values
elif key_type == 'hex':
dotty_info[info_key] = '0x' + rules[rules_key][2:].upper()
elif key_type == 'int':
dotty_info[info_key] = int(rules[rules_key])
else:
dotty_info[info_key] = rules[rules_key]
except Exception as e:
_log_warning(info_data, f'{rules_key}->{info_key}: {e}')
info_data.update(dotty_info)
# Merge in config values that can't be easily mapped
_extract_features(info_data, rules)
return info_data
def _merge_layouts(info_data, new_info_data):
"""Merge new_info_data into info_data in an intelligent way.
"""
for layout_name, layout_json in new_info_data['layouts'].items():
if layout_name in info_data['layouts']:
# Pull in layouts we have a macro for
if len(info_data['layouts'][layout_name]['layout']) != len(layout_json['layout']):
msg = '%s: %s: Number of elements in info.json does not match! info.json:%s != %s:%s'
_log_error(info_data, msg % (info_data['keyboard_folder'], layout_name, len(layout_json['layout']), layout_name, len(info_data['layouts'][layout_name]['layout'])))
else:
for i, key in enumerate(info_data['layouts'][layout_name]['layout']):
key.update(layout_json['layout'][i])
else:
# Pull in layouts that have matrix data
missing_matrix = False
for key in layout_json.get('layout', {}):
if 'matrix' not in key:
missing_matrix = True
if not missing_matrix:
if layout_name in info_data['layouts']:
# Update an existing layout with new data
for i, key in enumerate(info_data['layouts'][layout_name]['layout']):
key.update(layout_json['layout'][i])
else:
# Copy in the new layout wholesale
layout_json['c_macro'] = False
info_data['layouts'][layout_name] = layout_json
return info_data
def _search_keyboard_h(path):
current_path = Path('keyboards/')
aliases = {}
layouts = {}
for directory in path.parts:
current_path = current_path / directory
keyboard_h = '%s.h' % (directory,)
keyboard_h_path = current_path / keyboard_h
if keyboard_h_path.exists():
new_layouts, new_aliases = find_layouts(keyboard_h_path)
layouts.update(new_layouts)
for alias, alias_text in new_aliases.items():
if alias_text in layouts:
aliases[alias] = alias_text
return layouts, aliases
def _find_all_layouts(info_data, keyboard):
"""Looks for layout macros associated with this keyboard.
"""
layouts, aliases = _search_keyboard_h(Path(keyboard))
if not layouts:
# If we don't find any layouts from info.json or keyboard.h we widen our search. This is error prone which is why we want to encourage people to follow the standard above.
info_data['parse_warnings'].append('%s: Falling back to searching for KEYMAP/LAYOUT macros.' % (keyboard))
for file in glob('keyboards/%s/*.h' % keyboard):
if file.endswith('.h'):
these_layouts, these_aliases = find_layouts(file)
if these_layouts:
layouts.update(these_layouts)
for alias, alias_text in these_aliases.items():
if alias_text in layouts:
aliases[alias] = alias_text
return layouts, aliases
def _log_error(info_data, message):
"""Send an error message to both JSON and the log.
"""
info_data['parse_errors'].append(message)
cli.log.error('%s: %s', info_data.get('keyboard_folder', 'Unknown Keyboard!'), message)
def _log_warning(info_data, message):
"""Send a warning message to both JSON and the log.
"""
info_data['parse_warnings'].append(message)
cli.log.warning('%s: %s', info_data.get('keyboard_folder', 'Unknown Keyboard!'), message)
def arm_processor_rules(info_data, rules):
"""Setup the default info for an ARM board.
"""
info_data['processor_type'] = 'arm'
info_data['protocol'] = 'ChibiOS'
if 'bootloader' not in info_data:
if 'STM32' in info_data['processor']:
info_data['bootloader'] = 'stm32-dfu'
else:
info_data['bootloader'] = 'unknown'
if 'STM32' in info_data['processor']:
info_data['platform'] = 'STM32'
elif 'MCU_SERIES' in rules:
info_data['platform'] = rules['MCU_SERIES']
elif 'ARM_ATSAM' in rules:
info_data['platform'] = 'ARM_ATSAM'
return info_data
def avr_processor_rules(info_data, rules):
"""Setup the default info for an AVR board.
"""
info_data['processor_type'] = 'avr'
info_data['platform'] = rules['ARCH'] if 'ARCH' in rules else 'unknown'
info_data['protocol'] = 'V-USB' if rules.get('MCU') in VUSB_PROCESSORS else 'LUFA'
if 'bootloader' not in info_data:
info_data['bootloader'] = 'atmel-dfu'
# FIXME(fauxpark/anyone): Eventually we should detect the protocol by looking at PROTOCOL inherited from mcu_selection.mk:
# info_data['protocol'] = 'V-USB' if rules.get('PROTOCOL') == 'VUSB' else 'LUFA'
return info_data
def unknown_processor_rules(info_data, rules):
"""Setup the default keyboard info for unknown boards.
"""
info_data['bootloader'] = 'unknown'
info_data['platform'] = 'unknown'
info_data['processor'] = 'unknown'
info_data['processor_type'] = 'unknown'
info_data['protocol'] = 'unknown'
return info_data
def deep_update(origdict, newdict):
"""Update a dictionary in place, recursing to do a deep copy.
"""
for key, value in newdict.items():
if isinstance(value, Mapping):
origdict[key] = deep_update(origdict.get(key, {}), value)
else:
origdict[key] = value
return origdict
def merge_info_jsons(keyboard, info_data):
"""Return a merged copy of all the info.json files for a keyboard.
"""
for info_file in find_info_json(keyboard):
# Load and validate the JSON data
new_info_data = _json_load(info_file)
if not isinstance(new_info_data, dict):
_log_error(info_data, "Invalid file %s, root object should be a dictionary." % (str(info_file),))
continue
try:
keyboard_validate(new_info_data)
except jsonschema.ValidationError as e:
json_path = '.'.join([str(p) for p in e.absolute_path])
cli.log.error('Not including data from file: %s', info_file)
cli.log.error('\t%s: %s', json_path, e.message)
continue
# Merge layout data in
if 'layout_aliases' in new_info_data:
info_data['layout_aliases'] = {**info_data.get('layout_aliases', {}), **new_info_data['layout_aliases']}
del new_info_data['layout_aliases']
for layout_name, layout in new_info_data.get('layouts', {}).items():
if layout_name in info_data.get('layout_aliases', {}):
_log_warning(info_data, f"info.json uses alias name {layout_name} instead of {info_data['layout_aliases'][layout_name]}")
layout_name = info_data['layout_aliases'][layout_name]
if layout_name in info_data['layouts']:
for new_key, existing_key in zip(layout['layout'], info_data['layouts'][layout_name]['layout']):
existing_key.update(new_key)
else:
layout['c_macro'] = False
info_data['layouts'][layout_name] = layout
# Update info_data with the new data
if 'layouts' in new_info_data:
del new_info_data['layouts']
deep_update(info_data, new_info_data)
return info_data
def find_info_json(keyboard):
"""Finds all the info.json files associated with a keyboard.
"""
# Find the most specific first
base_path = Path('keyboards')
keyboard_path = base_path / keyboard
keyboard_parent = keyboard_path.parent
info_jsons = [keyboard_path / 'info.json']
# Add DEFAULT_FOLDER before parents, if present
rules = rules_mk(keyboard)
if 'DEFAULT_FOLDER' in rules:
info_jsons.append(Path(rules['DEFAULT_FOLDER']) / 'info.json')
# Add in parent folders for least specific
for _ in range(5):
info_jsons.append(keyboard_parent / 'info.json')
if keyboard_parent.parent == base_path:
break
keyboard_parent = keyboard_parent.parent
# Return a list of the info.json files that actually exist
return [info_json for info_json in info_jsons if info_json.exists()]