input-remapper/inputremapper/paths.py
2022-01-01 13:52:33 +01:00

112 lines
3.0 KiB
Python

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2022 sezanzeb <proxima@sezanzeb.de>
#
# 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/>.
"""Path constants to be used."""
import os
import shutil
from inputremapper.logger import logger
from inputremapper.user import USER, CONFIG_PATH
def chown(path):
"""Set the owner of a path to the user."""
try:
shutil.chown(path, user=USER, group=USER)
except LookupError:
# the users group was unknown in one case for whatever reason
shutil.chown(path, user=USER)
def touch(path, log=True):
"""Create an empty file and all its parent dirs, give it to the user."""
if path.endswith("/"):
raise ValueError(f"Expected path to not end with a slash: {path}")
if os.path.exists(path):
return
if log:
logger.info('Creating file "%s"', path)
mkdir(os.path.dirname(path), log=False)
os.mknod(path)
chown(path)
def mkdir(path, log=True):
"""Create a folder, give it to the user."""
if path == "" or path is None:
return
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/input-remapper/mouse/ is created the latter two
base = os.path.split(path)[0]
mkdir(base, log=False)
os.makedirs(path)
chown(path)
def remove(path):
"""Remove whatever is at the path"""
if not os.path.exists(path):
return
if os.path.isdir(path):
shutil.rmtree(path)
else:
os.remove(path)
def get_preset_path(group_name=None, preset=None):
"""Get a path to the stored preset, or to store a preset to."""
presets_base = os.path.join(CONFIG_PATH, "presets")
if group_name is None:
return presets_base
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(presets_base, group_name)
return os.path.join(presets_base, group_name, preset)
def get_config_path(*paths):
"""Get a path in ~/.config/input-remapper/"""
return os.path.join(CONFIG_PATH, *paths)