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# -*- coding: utf-8 -*-
# polkit_agent.py
# Copyright (C) 2013 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Daemonizes polkit authentication agent.
"""
import os
import subprocess
POLKIT_PATHS = (
'/usr/bin/lxpolkit',
'/usr/bin/lxqt-policykit-agent',
'/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1',
'/usr/lib/x86_64-linux-gnu/polkit-mate/polkit-mate-authentication-agent-1',
'/usr/lib/mate-polkit/polkit-mate-authentication-agent-1',
'/usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1',
'/usr/lib/kde4/libexec/polkit-kde-authentication-agent-1',
# now we get weird
'/usr/libexec/policykit-1-pantheon/pantheon-agent-polkit',
'/usr/lib/polkit-1-dde/dde-polkit-agent',
# do you know some we're still missing? :)
)
POLKIT_PROC_NAMES = (
'polkit-gnome-authentication-agent-1',
'polkit-kde-authentication-agent-1',
'polkit-mate-authentication-agent-1',
'lxpolkit',
'lxsession',
'gnome-shell',
'gnome-flashback',
'fingerprint-polkit-agent',
'xfce-polkit',
)
# TODO write tests for this piece.
def _get_polkit_agent():
"""
Return a valid polkit agent to use.
:rtype: str or None
"""
for polkit in POLKIT_PATHS:
if os.path.isfile(polkit):
return polkit
return None
def launch():
"""
Launch a polkit authentication agent as a daemon.
"""
agent = _get_polkit_agent()
subprocess.call("(setsid {polkit} &)".format(polkit=agent), shell=True)
if __name__ == "__main__":
launch()
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