255 lines
9 KiB
Python
255 lines
9 KiB
Python
"""Functions that help us generate and use info.json files.
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"""
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import json
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from glob import glob
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from pathlib import Path
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from milc import cli
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from qmk.constants import CHIBIOS_PROCESSORS, LUFA_PROCESSORS, VUSB_PROCESSORS
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from qmk.c_parse import find_layouts
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from qmk.keyboard import config_h, rules_mk
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from qmk.makefile import parse_rules_mk_file
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from qmk.math import compute
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def info_json(keyboard):
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"""Generate the info.json data for a specific keyboard.
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"""
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cur_dir = Path('keyboards')
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rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
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if 'DEFAULT_FOLDER' in rules:
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keyboard = rules['DEFAULT_FOLDER']
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rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk', rules)
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info_data = {
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'keyboard_name': str(keyboard),
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'keyboard_folder': str(keyboard),
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'layouts': {},
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'maintainer': 'qmk',
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}
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for layout_name, layout_json in _find_all_layouts(keyboard, rules).items():
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if not layout_name.startswith('LAYOUT_kc'):
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info_data['layouts'][layout_name] = layout_json
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info_data = merge_info_jsons(keyboard, info_data)
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info_data = _extract_config_h(info_data)
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info_data = _extract_rules_mk(info_data)
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return info_data
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def _extract_config_h(info_data):
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"""Pull some keyboard information from existing rules.mk files
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"""
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config_c = config_h(info_data['keyboard_folder'])
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row_pins = config_c.get('MATRIX_ROW_PINS', '').replace('{', '').replace('}', '').strip()
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col_pins = config_c.get('MATRIX_COL_PINS', '').replace('{', '').replace('}', '').strip()
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direct_pins = config_c.get('DIRECT_PINS', '').replace(' ', '')[1:-1]
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info_data['diode_direction'] = config_c.get('DIODE_DIRECTION')
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info_data['matrix_size'] = {
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'rows': compute(config_c.get('MATRIX_ROWS', '0')),
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'cols': compute(config_c.get('MATRIX_COLS', '0')),
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}
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info_data['matrix_pins'] = {}
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if row_pins:
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info_data['matrix_pins']['rows'] = row_pins.split(',')
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if col_pins:
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info_data['matrix_pins']['cols'] = col_pins.split(',')
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if direct_pins:
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direct_pin_array = []
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for row in direct_pins.split('},{'):
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if row.startswith('{'):
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row = row[1:]
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if row.endswith('}'):
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row = row[:-1]
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direct_pin_array.append([])
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for pin in row.split(','):
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if pin == 'NO_PIN':
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pin = None
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direct_pin_array[-1].append(pin)
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info_data['matrix_pins']['direct'] = direct_pin_array
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info_data['usb'] = {
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'vid': config_c.get('VENDOR_ID'),
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'pid': config_c.get('PRODUCT_ID'),
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'device_ver': config_c.get('DEVICE_VER'),
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'manufacturer': config_c.get('MANUFACTURER'),
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'product': config_c.get('PRODUCT'),
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}
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return info_data
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def _extract_rules_mk(info_data):
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"""Pull some keyboard information from existing rules.mk files
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"""
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rules = rules_mk(info_data['keyboard_folder'])
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mcu = rules.get('MCU')
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if mcu in CHIBIOS_PROCESSORS:
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arm_processor_rules(info_data, rules)
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elif mcu in LUFA_PROCESSORS + VUSB_PROCESSORS:
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avr_processor_rules(info_data, rules)
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else:
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cli.log.warning("%s: Unknown MCU: %s" % (info_data['keyboard_folder'], mcu))
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unknown_processor_rules(info_data, rules)
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return info_data
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def _search_keyboard_h(path):
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current_path = Path('keyboards/')
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layouts = {}
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for directory in path.parts:
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current_path = current_path / directory
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keyboard_h = '%s.h' % (directory,)
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keyboard_h_path = current_path / keyboard_h
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if keyboard_h_path.exists():
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layouts.update(find_layouts(keyboard_h_path))
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return layouts
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def _find_all_layouts(keyboard, rules):
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"""Looks for layout macros associated with this keyboard.
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"""
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layouts = _search_keyboard_h(Path(keyboard))
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if not layouts:
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# If we didn't find any layouts above we widen our search. This is error
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# prone which is why we want to encourage people to follow the standard above.
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cli.log.warning('%s: Falling back to searching for KEYMAP/LAYOUT macros.' % (keyboard))
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for file in glob('keyboards/%s/*.h' % keyboard):
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if file.endswith('.h'):
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these_layouts = find_layouts(file)
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if these_layouts:
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layouts.update(these_layouts)
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if 'LAYOUTS' in rules:
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# Match these up against the supplied layouts
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supported_layouts = rules['LAYOUTS'].strip().split()
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for layout_name in sorted(layouts):
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if not layout_name.startswith('LAYOUT_'):
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continue
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layout_name = layout_name[7:]
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if layout_name in supported_layouts:
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supported_layouts.remove(layout_name)
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if supported_layouts:
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cli.log.error('%s: Missing LAYOUT() macro for %s' % (keyboard, ', '.join(supported_layouts)))
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return layouts
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def arm_processor_rules(info_data, rules):
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"""Setup the default info for an ARM board.
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"""
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info_data['processor_type'] = 'arm'
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info_data['bootloader'] = rules['BOOTLOADER'] if 'BOOTLOADER' in rules else 'unknown'
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info_data['processor'] = rules['MCU'] if 'MCU' in rules else 'unknown'
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info_data['protocol'] = 'ChibiOS'
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if info_data['bootloader'] == 'unknown':
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if 'STM32' in info_data['processor']:
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info_data['bootloader'] = 'stm32-dfu'
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if 'STM32' in info_data['processor']:
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info_data['platform'] = 'STM32'
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elif 'MCU_SERIES' in rules:
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info_data['platform'] = rules['MCU_SERIES']
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elif 'ARM_ATSAM' in rules:
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info_data['platform'] = 'ARM_ATSAM'
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return info_data
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def avr_processor_rules(info_data, rules):
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"""Setup the default info for an AVR board.
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"""
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info_data['processor_type'] = 'avr'
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info_data['bootloader'] = rules['BOOTLOADER'] if 'BOOTLOADER' in rules else 'atmel-dfu'
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info_data['platform'] = rules['ARCH'] if 'ARCH' in rules else 'unknown'
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info_data['processor'] = rules['MCU'] if 'MCU' in rules else 'unknown'
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info_data['protocol'] = 'V-USB' if rules.get('MCU') in VUSB_PROCESSORS else 'LUFA'
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# FIXME(fauxpark/anyone): Eventually we should detect the protocol by looking at PROTOCOL inherited from mcu_selection.mk:
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# info_data['protocol'] = 'V-USB' if rules.get('PROTOCOL') == 'VUSB' else 'LUFA'
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return info_data
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def unknown_processor_rules(info_data, rules):
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"""Setup the default keyboard info for unknown boards.
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"""
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info_data['bootloader'] = 'unknown'
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info_data['platform'] = 'unknown'
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info_data['processor'] = 'unknown'
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info_data['processor_type'] = 'unknown'
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info_data['protocol'] = 'unknown'
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return info_data
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def merge_info_jsons(keyboard, info_data):
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"""Return a merged copy of all the info.json files for a keyboard.
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"""
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for info_file in find_info_json(keyboard):
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# Load and validate the JSON data
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with info_file.open('r') as info_fd:
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new_info_data = json.load(info_fd)
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if not isinstance(new_info_data, dict):
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cli.log.error("Invalid file %s, root object should be a dictionary.", str(info_file))
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continue
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# Copy whitelisted keys into `info_data`
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for key in ('keyboard_name', 'manufacturer', 'identifier', 'url', 'maintainer', 'processor', 'bootloader', 'width', 'height'):
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if key in new_info_data:
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info_data[key] = new_info_data[key]
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# Merge the layouts in
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if 'layouts' in new_info_data:
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for layout_name, json_layout in new_info_data['layouts'].items():
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# Only pull in layouts we have a macro for
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if layout_name in info_data['layouts']:
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if info_data['layouts'][layout_name]['key_count'] != len(json_layout['layout']):
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cli.log.error('%s: %s: Number of elements in info.json does not match! info.json:%s != %s:%s', info_data['keyboard_folder'], layout_name, len(json_layout['layout']), layout_name, len(info_data['layouts'][layout_name]['layout']))
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else:
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for i, key in enumerate(info_data['layouts'][layout_name]['layout']):
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key.update(json_layout['layout'][i])
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return info_data
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def find_info_json(keyboard):
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"""Finds all the info.json files associated with a keyboard.
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"""
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# Find the most specific first
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base_path = Path('keyboards')
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keyboard_path = base_path / keyboard
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keyboard_parent = keyboard_path.parent
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info_jsons = [keyboard_path / 'info.json']
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# Add DEFAULT_FOLDER before parents, if present
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rules = rules_mk(keyboard)
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if 'DEFAULT_FOLDER' in rules:
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info_jsons.append(Path(rules['DEFAULT_FOLDER']) / 'info.json')
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# Add in parent folders for least specific
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for _ in range(5):
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info_jsons.append(keyboard_parent / 'info.json')
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if keyboard_parent.parent == base_path:
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break
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keyboard_parent = keyboard_parent.parent
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# Return a list of the info.json files that actually exist
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return [info_json for info_json in info_jsons if info_json.exists()]
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