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import logging
import sh
logger = logging.getLogger(__name__)
def run_polkit_auth_agent():
"""
launches polkit authentication agent
"""
logger.debug('launching policykit authentication agent in background...')
polkit = sh.Command('/usr/lib/policykit-1-gnome/'
'polkit-gnome-authentication-agent-1')
polkit(_bg=True)
def check_if_running_polkit_auth():
"""
check if polkit authentication agent is running
and launch it if it is not
"""
from sh import grep
from sh import ps
# for some reason, sh is getting us
# limited line width, so the grep fails
#grep_pk = lambda: grep(ps('a'), 'polkit-gnome-authentication-agent-1')
grep_pk = lambda: grep(ps('a'), '[p]olkit-gnome-auth')
try:
grep_pk()
except sh.ErrorReturnCode_1:
logger.debug('polkit auth agent not found, trying to launch it...')
run_polkit_auth_agent()
else:
logger.debug('polkit auth agent is running, no need to be launched')
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