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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/>.
"""Get stuff from /usr/share/input-remapper, depending on the prefix."""
import os
import site
import sys
import pkg_resources
from inputremapper.logging.logger import logger
logged = False
def _try_standard_locations():
# https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
# ensure at least /usr/local/share/ and /usr/share/ are tried
xdg_data_dirs = set(
os.environ.get("XDG_DATA_DIRS", "").split(":")
+ [
"/usr/local/share/",
"/usr/share/",
os.path.join(site.USER_BASE, "share/"),
]
)
for xdg_data_dir in xdg_data_dirs:
candidate = os.path.join(xdg_data_dir, "input-remapper")
if os.path.exists(candidate):
return candidate
return None
def _try_python_package_location():
"""Look for the data dir at the packages installation location."""
source = None
try:
source = pkg_resources.require("input-remapper")[0].location
# failed in some ubuntu installations
except Exception:
logger.debug("failed to figure out package location")
pass
data = None
# python3.8/dist-packages python3.7/site-packages, /usr/share,
# /usr/local/share, endless options
if source and "-packages" not in source and "python" not in source:
# probably installed with -e, running from the cloned git source
data = os.path.join(source, "data")
if not os.path.exists(data):
if not logged:
logger.debug('-e, but data missing at "%s"', data)
data = None
return data
def _try_env_data_dir():
"""Check if input-remappers data can be found at DATA_DIR."""
data_dir = os.environ.get("DATA_DIR", None)
if data_dir is None:
return None
if os.path.exists(data_dir):
return data_dir
else:
logger.error(f'"{ data_dir }" does not exist')
return None
def get_data_path(filename=""):
"""Depending on the installation prefix, return the data dir.
Since it is a nightmare to get stuff installed with pip across
distros this is somewhat complicated. Ubuntu uses /usr/local/share
for data_files (setup.py) and manjaro uses /usr/share.
"""
global logged
# depending on where this file is installed to, make sure to use the proper
# prefix path for data
# https://docs.python.org/3/distutils/setupscript.html?highlight=package_data#installing-additional-files # noqa pylint: disable=line-too-long
data = (
_try_env_data_dir()
or _try_python_package_location()
or _try_standard_locations()
)
if data is None:
logger.error("Could not find the application data")
sys.exit(10)
if not logged:
logger.debug('Found data at "%s"', data)
logged = True
return os.path.join(data, filename)
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