165 lines
4.8 KiB
Python
165 lines
4.8 KiB
Python
"""OS-agnostic helper functions
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"""
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from enum import Enum
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import re
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import shutil
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from subprocess import DEVNULL
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from milc import cli
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from qmk import submodules
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from qmk.constants import QMK_FIRMWARE
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class CheckStatus(Enum):
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OK = 1
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WARNING = 2
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ERROR = 3
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ESSENTIAL_BINARIES = {
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'dfu-programmer': {},
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'avrdude': {},
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'dfu-util': {},
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'avr-gcc': {
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'version_arg': '-dumpversion'
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},
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'arm-none-eabi-gcc': {
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'version_arg': '-dumpversion'
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},
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'bin/qmk': {},
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}
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def parse_gcc_version(version):
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m = re.match(r"(\d+)(?:\.(\d+))?(?:\.(\d+))?", version)
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return {
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'major': int(m.group(1)),
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'minor': int(m.group(2)) if m.group(2) else 0,
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'patch': int(m.group(3)) if m.group(3) else 0,
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}
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def check_arm_gcc_version():
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"""Returns True if the arm-none-eabi-gcc version is not known to cause problems.
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"""
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if 'output' in ESSENTIAL_BINARIES['arm-none-eabi-gcc']:
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version_number = ESSENTIAL_BINARIES['arm-none-eabi-gcc']['output'].strip()
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cli.log.info('Found arm-none-eabi-gcc version %s', version_number)
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return CheckStatus.OK # Right now all known arm versions are ok
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def check_avr_gcc_version():
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"""Returns True if the avr-gcc version is not known to cause problems.
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"""
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rc = CheckStatus.ERROR
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if 'output' in ESSENTIAL_BINARIES['avr-gcc']:
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version_number = ESSENTIAL_BINARIES['avr-gcc']['output'].strip()
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cli.log.info('Found avr-gcc version %s', version_number)
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rc = CheckStatus.OK
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parsed_version = parse_gcc_version(version_number)
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if parsed_version['major'] > 8:
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cli.log.warning('{fg_yellow}We do not recommend avr-gcc newer than 8. Downgrading to 8.x is recommended.')
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rc = CheckStatus.WARNING
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return rc
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def check_avrdude_version():
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if 'output' in ESSENTIAL_BINARIES['avrdude']:
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last_line = ESSENTIAL_BINARIES['avrdude']['output'].split('\n')[-2]
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version_number = last_line.split()[2][:-1]
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cli.log.info('Found avrdude version %s', version_number)
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return CheckStatus.OK
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def check_dfu_util_version():
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if 'output' in ESSENTIAL_BINARIES['dfu-util']:
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first_line = ESSENTIAL_BINARIES['dfu-util']['output'].split('\n')[0]
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version_number = first_line.split()[1]
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cli.log.info('Found dfu-util version %s', version_number)
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return CheckStatus.OK
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def check_dfu_programmer_version():
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if 'output' in ESSENTIAL_BINARIES['dfu-programmer']:
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first_line = ESSENTIAL_BINARIES['dfu-programmer']['output'].split('\n')[0]
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version_number = first_line.split()[1]
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cli.log.info('Found dfu-programmer version %s', version_number)
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return CheckStatus.OK
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def check_binaries():
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"""Iterates through ESSENTIAL_BINARIES and tests them.
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"""
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ok = True
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for binary in sorted(ESSENTIAL_BINARIES):
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if not is_executable(binary):
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ok = False
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return ok
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def check_binary_versions():
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"""Check the versions of ESSENTIAL_BINARIES
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"""
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versions = []
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for check in (check_arm_gcc_version, check_avr_gcc_version, check_avrdude_version, check_dfu_util_version, check_dfu_programmer_version):
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versions.append(check())
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return versions
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def check_submodules():
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"""Iterates through all submodules to make sure they're cloned and up to date.
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"""
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for submodule in submodules.status().values():
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if submodule['status'] is None:
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cli.log.error('Submodule %s has not yet been cloned!', submodule['name'])
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return CheckStatus.ERROR
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elif not submodule['status']:
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cli.log.warning('Submodule %s is not up to date!', submodule['name'])
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return CheckStatus.WARNING
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return CheckStatus.OK
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def is_executable(command):
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"""Returns True if command exists and can be executed.
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"""
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# Make sure the command is in the path.
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res = shutil.which(command)
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if res is None:
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cli.log.error("{fg_red}Can't find %s in your path.", command)
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return False
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# Make sure the command can be executed
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version_arg = ESSENTIAL_BINARIES[command].get('version_arg', '--version')
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check = cli.run([command, version_arg], combined_output=True, stdin=DEVNULL, timeout=5)
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ESSENTIAL_BINARIES[command]['output'] = check.stdout
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if check.returncode in [0, 1]: # Older versions of dfu-programmer exit 1
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cli.log.debug('Found {fg_cyan}%s', command)
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return True
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cli.log.error("{fg_red}Can't run `%s %s`", command, version_arg)
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return False
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def check_git_repo():
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"""Checks that the .git directory exists inside QMK_HOME.
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This is a decent enough indicator that the qmk_firmware directory is a
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proper Git repository, rather than a .zip download from GitHub.
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"""
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dot_git_dir = QMK_FIRMWARE / '.git'
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return CheckStatus.OK if dot_git_dir.is_dir() else CheckStatus.WARNING
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