def upgrade() -> None:
logger.info('Upgrading snap packages')
err, code = execute('snap refresh', onlyerror=True)
if code != 0:
logger.error(
'Cannot upgrade snap packages (exited with %s). Stderr:\n%s' %
(code, err))
def install(*package_names) -> None:
for name in package_names:
logger.info('Installing pip package %s' % (name, ))
err, code = execute('python3 -m pip install --upgrade %s' % (name, ),
check=False,
onlyerror=True)
if code != 0:
logger.error('Pip package %s cannot be installed. Stderr:\n%s' %
(name, err))
def remove(*package_names) -> None:
for name in package_names:
logger.info('Removing pip package %s' % (name, ))
err, code = execute('python3 -m pip uninstall %s' % (name, ),
check=False,
onlyerror=True)
if code != 0:
logger.error('Pip package %s cannot be removed. Stderr:\n%s' %
(name, err))
def install(*package_names) -> None:
for name in package_names:
logger.info('Installing snap package %s' % (name, ))
if execute('snap info %s' % (name, ), onlycode=True) != 0:
logger.error('Snap package %s not found!' % (name, ))
continue
if name in list_all():
logger.warning('Snap package %s already installed!' % (name, ))
continue
err, code = execute('snap install %s' % (name, ),
check=False,
onlyerror=True)
if code != 0:
logger.error(
'Snap package %s cannot be installed (exited with %s). Stderr:\n%s'
% (name, code, err))
def list_all() -> list:
packages_raw = execute('snap list', combine=True, code=False)
packages_pre = packages_raw.rsplit('\n')[1:-1]
packages_post = [e[0:e.find(' ')] for e in packages_pre]
return packages_post
def command_exists(name) -> bool:
if execute('command -v %s' % (name, ), check=False, onlycode=True) == 0:
return True
else:
return False