input-remapper/keymapper/user.py
2021-03-21 19:15:38 +01:00

66 lines
1.7 KiB
Python

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# key-mapper - GUI for device specific keyboard mappings
# Copyright (C) 2021 sezanzeb <proxima@sezanzeb.de>
#
# This file is part of key-mapper.
#
# key-mapper 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.
#
# key-mapper 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 key-mapper. If not, see <https://www.gnu.org/licenses/>.
"""Figure out the user."""
import os
import getpass
import pwd
def get_user():
"""Try to find the user who called sudo/pkexec."""
try:
return os.getlogin()
except OSError:
# failed in some ubuntu installations and in systemd services
pass
try:
user = os.environ['USER']
except KeyError:
# possibly the systemd service. no sudo was used
return getpass.getuser()
if user == 'root':
try:
return os.environ['SUDO_USER']
except KeyError:
# no sudo was used
pass
try:
pkexec_uid = int(os.environ['PKEXEC_UID'])
return pwd.getpwuid(pkexec_uid).pw_name
except KeyError:
# no pkexec was used or the uid is unknown
pass
return user
USER = get_user()
HOME = '/root' if USER == 'root' else f'/home/{USER}'
CONFIG_PATH = os.path.join(HOME, '.config/key-mapper')