input-remapper/keymapper/paths.py

94 lines
2.5 KiB
Python

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# key-mapper - GUI for device specific keyboard mappings
# Copyright (C) 2020 sezanzeb <proxima@hip70890b.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/>.
"""Path constants to be used."""
import os
import shutil
from keymapper.logger import logger
# try to find the user who called sudo
try:
USER = os.getlogin()
except OSError:
# failed in some ubuntu installations
USER = os.environ['USER']
if USER == 'root':
try:
USER = os.environ.get('SUDO_USER', USER)
except KeyError:
# no sudo was used
pass
CONFIG = os.path.join('/home', USER, '.config/key-mapper')
def touch(path, log=True):
"""Create an empty file and all its parent dirs, give it to the user."""
if os.path.exists(path):
return
if log:
logger.info('Creating file "%s"', path)
mkdir(os.path.dirname(path), log=False)
os.mknod(path)
shutil.chown(path, USER, USER)
def mkdir(path, log=True):
"""Create a folder, give it to the user."""
if os.path.exists(path):
return
if log:
logger.info('Creating dir "%s"', path)
# give all newly created folders to the user.
# e.g. if .config/key-mapper/mouse/ is created the latter two
base = os.path.split(path)[0]
mkdir(base, log=False)
os.makedirs(path)
shutil.chown(path, USER, USER)
def get_config_path(device=None, preset=None):
"""Get a path to the stored preset, or to store a preset to."""
if device is None:
return CONFIG
if preset is not None:
# the extension of the preset should not be shown in the ui.
# if a .json extension arrives this place, it has not been
# stripped away properly prior to this.
assert not preset.endswith('.json')
preset = f'{preset}.json'
if preset is None:
return os.path.join(CONFIG, device)
return os.path.join(CONFIG, device, preset)