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"""Check for specific programs.
"""
from enum import Enum
import re
import shutil
from subprocess import DEVNULL, TimeoutExpired
from milc import cli
from qmk import submodules
class CheckStatus(Enum):
OK = 1
WARNING = 2
ERROR = 3
ESSENTIAL_BINARIES = {
'dfu-programmer': {},
'avrdude': {},
'dfu-util': {},
'avr-gcc': {
'version_arg': '-dumpversion'
},
'arm-none-eabi-gcc': {
'version_arg': '-dumpversion'
},
}
def _parse_gcc_version(version):
m = re.match(r"(\d+)(?:\.(\d+))?(?:\.(\d+))?", version)
return {
'major': int(m.group(1)),
'minor': int(m.group(2)) if m.group(2) else 0,
'patch': int(m.group(3)) if m.group(3) else 0,
}
def _check_arm_gcc_version():
"""Returns True if the arm-none-eabi-gcc version is not known to cause problems.
"""
version_number = ESSENTIAL_BINARIES['arm-none-eabi-gcc']['output'].strip()
cli.log.info('Found arm-none-eabi-gcc version %s', version_number)
return CheckStatus.OK # Right now all known arm versions are ok
def _check_avr_gcc_version():
"""Returns True if the avr-gcc version is not known to cause problems.
"""
version_number = ESSENTIAL_BINARIES['avr-gcc']['output'].strip()
cli.log.info('Found avr-gcc version %s', version_number)
parsed_version = _parse_gcc_version(version_number)
if parsed_version['major'] > 8:
cli.log.warning('{fg_yellow}We do not recommend avr-gcc newer than 8. Downgrading to 8.x is recommended.')
return CheckStatus.WARNING
return CheckStatus.OK
def _check_avrdude_version():
last_line = ESSENTIAL_BINARIES['avrdude']['output'].split('\n')[-2]
version_number = last_line.split()[2][:-1]
cli.log.info('Found avrdude version %s', version_number)
return CheckStatus.OK
def _check_dfu_util_version():
first_line = ESSENTIAL_BINARIES['dfu-util']['output'].split('\n')[0]
version_number = first_line.split()[1]
cli.log.info('Found dfu-util version %s', version_number)
return CheckStatus.OK
def _check_dfu_programmer_version():
first_line = ESSENTIAL_BINARIES['dfu-programmer']['output'].split('\n')[0]
version_number = first_line.split()[1]
cli.log.info('Found dfu-programmer version %s', version_number)
return CheckStatus.OK
def check_binaries():
"""Iterates through ESSENTIAL_BINARIES and tests them.
"""
ok = CheckStatus.OK
for binary in sorted(ESSENTIAL_BINARIES):
try:
if not is_executable(binary):
ok = CheckStatus.ERROR
except TimeoutExpired:
cli.log.debug('Timeout checking %s', binary)
if ok != CheckStatus.ERROR:
ok = CheckStatus.WARNING
return ok
def check_binary_versions():
"""Check the versions of ESSENTIAL_BINARIES
"""
checks = {
'arm-none-eabi-gcc': _check_arm_gcc_version,
'avr-gcc': _check_avr_gcc_version,
'avrdude': _check_avrdude_version,
'dfu-util': _check_dfu_util_version,
'dfu-programmer': _check_dfu_programmer_version,
}
versions = []
for binary in sorted(ESSENTIAL_BINARIES):
if 'output' not in ESSENTIAL_BINARIES[binary]:
cli.log.warning('Unknown version for %s', binary)
versions.append(CheckStatus.WARNING)
continue
check = checks[binary]
versions.append(check())
return versions
def check_submodules():
"""Iterates through all submodules to make sure they're cloned and up to date.
"""
for submodule in submodules.status().values():
if submodule['status'] is None:
return CheckStatus.ERROR
elif not submodule['status']:
return CheckStatus.WARNING
return CheckStatus.OK
def is_executable(command):
"""Returns True if command exists and can be executed.
"""
# Make sure the command is in the path.
res = shutil.which(command)
if res is None:
cli.log.error("{fg_red}Can't find %s in your path.", command)
return False
# Make sure the command can be executed
version_arg = ESSENTIAL_BINARIES[command].get('version_arg', '--version')
check = cli.run([command, version_arg], combined_output=True, stdin=DEVNULL, timeout=5)
ESSENTIAL_BINARIES[command]['output'] = check.stdout
if check.returncode in [0, 1]: # Older versions of dfu-programmer exit 1
cli.log.debug('Found {fg_cyan}%s', command)
return True
cli.log.error("{fg_red}Can't run `%s %s`", command, version_arg)
return False
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