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qmk_firmware/lib/python/qmk/info.py
Zach White 751316c344
[CLI] Add a subcommand for getting information about a keyboard (#8666)
You can now use `qmk info` to get information about keyboards and keymaps.

Co-authored-by: Erovia <Erovia@users.noreply.github.com>
2020-05-26 13:05:41 -07:00

250 lines
8.9 KiB
Python

"""Functions that help us generate and use info.json files.
"""
import json
from glob import glob
from pathlib import Path
from milc import cli
from qmk.constants import ARM_PROCESSORS, AVR_PROCESSORS, VUSB_PROCESSORS
from qmk.c_parse import find_layouts
from qmk.keyboard import config_h, rules_mk
from qmk.math import compute
def info_json(keyboard):
"""Generate the info.json data for a specific keyboard.
"""
info_data = {
'keyboard_name': str(keyboard),
'keyboard_folder': str(keyboard),
'layouts': {},
'maintainer': 'qmk',
}
for layout_name, layout_json in _find_all_layouts(keyboard).items():
if not layout_name.startswith('LAYOUT_kc'):
info_data['layouts'][layout_name] = layout_json
info_data = merge_info_jsons(keyboard, info_data)
info_data = _extract_config_h(info_data)
info_data = _extract_rules_mk(info_data)
return info_data
def _extract_config_h(info_data):
"""Pull some keyboard information from existing rules.mk files
"""
config_c = config_h(info_data['keyboard_folder'])
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]
info_data['diode_direction'] = config_c.get('DIODE_DIRECTION')
info_data['matrix_size'] = {
'rows': compute(config_c.get('MATRIX_ROWS', '0')),
'cols': compute(config_c.get('MATRIX_COLS', '0')),
}
info_data['matrix_pins'] = {}
if row_pins:
info_data['matrix_pins']['rows'] = row_pins.split(',')
if col_pins:
info_data['matrix_pins']['cols'] = col_pins.split(',')
if direct_pins:
direct_pin_array = []
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)
info_data['matrix_pins']['direct'] = direct_pin_array
info_data['usb'] = {
'vid': config_c.get('VENDOR_ID'),
'pid': config_c.get('PRODUCT_ID'),
'device_ver': config_c.get('DEVICE_VER'),
'manufacturer': config_c.get('MANUFACTURER'),
'product': config_c.get('PRODUCT'),
'description': config_c.get('DESCRIPTION'),
}
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'])
mcu = rules.get('MCU')
if mcu in ARM_PROCESSORS:
arm_processor_rules(info_data, rules)
elif mcu in AVR_PROCESSORS:
avr_processor_rules(info_data, rules)
else:
cli.log.warning("%s: Unknown MCU: %s" % (info_data['keyboard_folder'], mcu))
unknown_processor_rules(info_data, rules)
return info_data
def _find_all_layouts(keyboard):
"""Looks for layout macros associated with this keyboard.
"""
layouts = {}
rules = rules_mk(keyboard)
keyboard_path = Path(rules.get('DEFAULT_FOLDER', keyboard))
# Pull in all layouts defined in the standard files
current_path = Path('keyboards/')
for directory in keyboard_path.parts:
current_path = current_path / directory
keyboard_h = '%s.h' % (directory,)
keyboard_h_path = current_path / keyboard_h
if keyboard_h_path.exists():
layouts.update(find_layouts(keyboard_h_path))
if not layouts:
# If we didn't find any layouts above we widen our search. This is error
# prone which is why we want to encourage people to follow the standard above.
cli.log.warning('%s: Falling back to searching for KEYMAP/LAYOUT macros.' % (keyboard))
for file in glob('keyboards/%s/*.h' % keyboard):
if file.endswith('.h'):
these_layouts = find_layouts(file)
if these_layouts:
layouts.update(these_layouts)
if 'LAYOUTS' in rules:
# Match these up against the supplied layouts
supported_layouts = rules['LAYOUTS'].strip().split()
for layout_name in sorted(layouts):
if not layout_name.startswith('LAYOUT_'):
continue
layout_name = layout_name[7:]
if layout_name in supported_layouts:
supported_layouts.remove(layout_name)
if supported_layouts:
cli.log.error('%s: Missing LAYOUT() macro for %s' % (keyboard, ', '.join(supported_layouts)))
return layouts
def arm_processor_rules(info_data, rules):
"""Setup the default info for an ARM board.
"""
info_data['processor_type'] = 'arm'
info_data['bootloader'] = rules['BOOTLOADER'] if 'BOOTLOADER' in rules else 'unknown'
info_data['processor'] = rules['MCU'] if 'MCU' in rules else 'unknown'
info_data['protocol'] = 'ChibiOS'
if info_data['bootloader'] == 'unknown':
if 'STM32' in info_data['processor']:
info_data['bootloader'] = 'stm32-dfu'
elif info_data.get('manufacturer') == 'Input Club':
info_data['bootloader'] = 'kiibohd-dfu'
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['bootloader'] = rules['BOOTLOADER'] if 'BOOTLOADER' in rules else 'atmel-dfu'
info_data['platform'] = rules['ARCH'] if 'ARCH' in rules else 'unknown'
info_data['processor'] = rules['MCU'] if 'MCU' in rules else 'unknown'
info_data['protocol'] = 'V-USB' if rules.get('MCU') in VUSB_PROCESSORS else 'LUFA'
# 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 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
with info_file.open('r') as info_fd:
new_info_data = json.load(info_fd)
if not isinstance(new_info_data, dict):
cli.log.error("Invalid file %s, root object should be a dictionary.", str(info_file))
continue
# Copy whitelisted keys into `info_data`
for key in ('keyboard_name', 'manufacturer', 'identifier', 'url', 'maintainer', 'processor', 'bootloader', 'width', 'height'):
if key in new_info_data:
info_data[key] = new_info_data[key]
# Merge the layouts in
if 'layouts' in new_info_data:
for layout_name, json_layout in new_info_data['layouts'].items():
# Only pull in layouts we have a macro for
if layout_name in info_data['layouts']:
if info_data['layouts'][layout_name]['key_count'] != len(json_layout['layout']):
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']))
else:
for i, key in enumerate(info_data['layouts'][layout_name]['layout']):
key.update(json_layout['layout'][i])
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()]