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# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2025 sezanzeb <b8x45ygc9@mozmail.com>
#
# This file is part of input-remapper.
#
# input-remapper 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.
#
# input-remapper 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 input-remapper. If not, see <https://www.gnu.org/licenses/>.
"""Figure out the user."""
import getpass
import os
import pwd
class UserUtils:
@staticmethod
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
@staticmethod
def get_home(user):
"""Try to find the user's home directory."""
return pwd.getpwnam(user).pw_dir
# An odd construct, but it can't really be helped because this was done as an
# afterthought, after I learned about proper object-oriented software architecture.
# TODO Eventually, UserUtils should be constructed and injected as a UserService,
# which then initializes stuff.
user = get_user()
home = get_home(user)
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