You can now use `qmk info` to get information about keyboards and keymaps. Co-authored-by: Erovia <Erovia@users.noreply.github.com>
		
			
				
	
	
		
			250 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			250 lines
		
	
	
		
			8.9 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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| 
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| from milc import cli
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| 
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| from qmk.constants import ARM_PROCESSORS, AVR_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.math import compute
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| 
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| 
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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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|     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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| 
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|     for layout_name, layout_json in _find_all_layouts(keyboard).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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| 
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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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| 
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|     return info_data
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| 
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|             direct_pin_array.append([])
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| 
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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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| 
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|                 direct_pin_array[-1].append(pin)
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| 
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|         info_data['matrix_pins']['direct'] = direct_pin_array
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| 
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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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|         'description': config_c.get('DESCRIPTION'),
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|     }
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| 
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|     return info_data
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| 
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| 
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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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| 
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|     if mcu in ARM_PROCESSORS:
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|         arm_processor_rules(info_data, rules)
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|     elif mcu in AVR_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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| 
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|     return info_data
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| 
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| 
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| def _find_all_layouts(keyboard):
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|     """Looks for layout macros associated with this keyboard.
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|     """
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|     layouts = {}
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|     rules = rules_mk(keyboard)
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|     keyboard_path = Path(rules.get('DEFAULT_FOLDER', keyboard))
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| 
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|     # Pull in all layouts defined in the standard files
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|     current_path = Path('keyboards/')
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|     for directory in keyboard_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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| 
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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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| 
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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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| 
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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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| 
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|     return layouts
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| 
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| 
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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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| 
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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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|         elif info_data.get('manufacturer') == 'Input Club':
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|             info_data['bootloader'] = 'kiibohd-dfu'
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| 
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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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| 
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|     return info_data
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| 
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| 
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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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| 
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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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| 
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|     return info_data
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| 
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| 
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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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| 
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|     return info_data
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| 
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     return info_data
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| 
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| 
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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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| 
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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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| 
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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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| 
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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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