qmk_firmware/lib/python/qmk/cli/lint.py
2024-05-01 11:52:34 +10:00

258 lines
7.9 KiB
Python

"""Command to look over a keyboard/keymap and check for common mistakes.
"""
from pathlib import Path
from milc import cli
from qmk.decorators import automagic_keyboard, automagic_keymap
from qmk.info import info_json
from qmk.keyboard import keyboard_completer, keyboard_folder_or_all, is_all_keyboards, list_keyboards
from qmk.keymap import locate_keymap, list_keymaps
from qmk.path import keyboard
from qmk.git import git_get_ignored_files
from qmk.c_parse import c_source_files
CHIBIOS_CONF_CHECKS = ['chconf.h', 'halconf.h', 'mcuconf.h', 'board.h']
INVALID_KB_FEATURES = set(['encoder_map', 'dip_switch_map', 'combo', 'tap_dance', 'via'])
def _list_defaultish_keymaps(kb):
"""Return default like keymaps for a given keyboard
"""
defaultish = ['ansi', 'iso', 'via']
# This is only here to flag it as "testable", so it doesn't fly under the radar during PR
defaultish.append('vial')
keymaps = set()
for x in list_keymaps(kb):
if x in defaultish or x.startswith('default'):
keymaps.add(x)
return keymaps
def _get_code_files(kb, km=None):
"""Return potential keyboard/keymap code files
"""
search_path = locate_keymap(kb, km).parent if km else keyboard(kb)
code_files = []
for file in c_source_files([search_path]):
# Ignore keymaps when only globing keyboard files
if not km and 'keymaps' in file.parts:
continue
code_files.append(file)
return code_files
def _has_license(file):
"""Check file has a license header
"""
# Crude assumption that first line of license header is a comment
fline = open(file).readline().rstrip()
return fline.startswith(("/*", "//"))
def _handle_json_errors(kb, info):
"""Convert any json errors into lint errors
"""
ok = True
# Check for errors in the json
if info['parse_errors']:
ok = False
cli.log.error(f'{kb}: Errors found when generating info.json.')
if cli.config.lint.strict and info['parse_warnings']:
ok = False
cli.log.error(f'{kb}: Warnings found when generating info.json (Strict mode enabled.)')
return ok
def _handle_invalid_features(kb, info):
"""Check for features that should never be enabled at the keyboard level
"""
ok = True
features = set(info.get('features', []))
for found in features & INVALID_KB_FEATURES:
ok = False
cli.log.error(f'{kb}: Invalid keyboard level feature detected - {found}')
return ok
def _chibios_conf_includenext_check(target):
"""Check the ChibiOS conf.h for the correct inclusion of the next conf.h
"""
for i, line in enumerate(target.open()):
if f'#include_next "{target.name}"' in line:
return f'Found `#include_next "{target.name}"` on line {i} of {target}, should be `#include_next <{target.name}>` (use angle brackets, not quotes)'
return None
def _rules_mk_assignment_only(kb):
"""Check the keyboard-level rules.mk to ensure it only has assignments.
"""
keyboard_path = keyboard(kb)
current_path = Path()
errors = []
for path_part in keyboard_path.parts:
current_path = current_path / path_part
rules_mk = current_path / 'rules.mk'
if rules_mk.exists():
continuation = None
for i, line in enumerate(rules_mk.open()):
line = line.strip()
if '#' in line:
line = line[:line.index('#')]
if continuation:
line = continuation + line
continuation = None
if line:
if line[-1] == '\\':
continuation = line[:-1]
continue
if line and '=' not in line:
errors.append(f'Non-assignment code on line +{i} {rules_mk}: {line}')
return errors
def keymap_check(kb, km):
"""Perform the keymap level checks.
"""
ok = True
keymap_path = locate_keymap(kb, km)
if not keymap_path:
ok = False
cli.log.error("%s: Can't find %s keymap.", kb, km)
return ok
# Additional checks
invalid_files = git_get_ignored_files(keymap_path.parent.as_posix())
for file in invalid_files:
cli.log.error(f'{kb}/{km}: The file "{file}" should not exist!')
ok = False
for file in _get_code_files(kb, km):
if not _has_license(file):
cli.log.error(f'{kb}/{km}: The file "{file}" does not have a license header!')
ok = False
if file.name in CHIBIOS_CONF_CHECKS:
check_error = _chibios_conf_includenext_check(file)
if check_error is not None:
cli.log.error(f'{kb}/{km}: {check_error}')
ok = False
return ok
def keyboard_check(kb):
"""Perform the keyboard level checks.
"""
ok = True
kb_info = info_json(kb)
if not _handle_json_errors(kb, kb_info):
ok = False
# Additional checks
if not _handle_invalid_features(kb, kb_info):
ok = False
rules_mk_assignment_errors = _rules_mk_assignment_only(kb)
if rules_mk_assignment_errors:
ok = False
cli.log.error('%s: Non-assignment code found in rules.mk. Move it to post_rules.mk instead.', kb)
for assignment_error in rules_mk_assignment_errors:
cli.log.error(assignment_error)
invalid_files = git_get_ignored_files(f'keyboards/{kb}/')
for file in invalid_files:
if 'keymap' in file:
continue
cli.log.error(f'{kb}: The file "{file}" should not exist!')
ok = False
for file in _get_code_files(kb):
if not _has_license(file):
cli.log.error(f'{kb}: The file "{file}" does not have a license header!')
ok = False
if file.name in CHIBIOS_CONF_CHECKS:
check_error = _chibios_conf_includenext_check(file)
if check_error is not None:
cli.log.error(f'{kb}: {check_error}')
ok = False
return ok
@cli.argument('--strict', action='store_true', help='Treat warnings as errors')
@cli.argument('-kb', '--keyboard', action='append', type=keyboard_folder_or_all, completer=keyboard_completer, help='Keyboard to check. May be passed multiple times.')
@cli.argument('-km', '--keymap', help='The keymap to check')
@cli.subcommand('Check keyboard and keymap for common mistakes.')
@automagic_keyboard
@automagic_keymap
def lint(cli):
"""Check keyboard and keymap for common mistakes.
"""
# Determine our keyboard list
if not cli.config.lint.keyboard:
cli.log.error('Missing required arguments: --keyboard')
cli.print_help()
return False
if isinstance(cli.config.lint.keyboard, str):
# if provided via config - string not array
keyboard_list = [cli.config.lint.keyboard]
elif is_all_keyboards(cli.args.keyboard[0]):
keyboard_list = list_keyboards()
else:
keyboard_list = cli.config.lint.keyboard
failed = []
# Lint each keyboard
for kb in keyboard_list:
# Determine keymaps to also check
if cli.args.keymap == 'all':
keymaps = list_keymaps(kb)
elif cli.config.lint.keymap:
keymaps = {cli.config.lint.keymap}
else:
keymaps = _list_defaultish_keymaps(kb)
# Ensure that at least a 'default' keymap always exists
keymaps.add('default')
ok = True
# keyboard level checks
if not keyboard_check(kb):
ok = False
# Keymap specific checks
for keymap in keymaps:
if not keymap_check(kb, keymap):
ok = False
# Report status
if not ok:
failed.append(kb)
# Check and report the overall status
if failed:
cli.log.error('Lint check failed for: %s', ', '.join(failed))
return False
cli.log.info('Lint check passed!')
return True