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89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2021 sezanzeb <proxima@sezanzeb.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# key-mapper is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with key-mapper. If not, see <https://www.gnu.org/licenses/>.
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"""Get stuff from /usr/share/key-mapper, depending on the prefix."""
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import sys
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import os
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import site
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import pkg_resources
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from keymapper.logger import logger
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logged = False
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def get_data_path(filename=''):
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"""Depending on the installation prefix, return the data dir.
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Since it is a nightmare to get stuff installed with pip across
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distros this is somewhat complicated. Ubuntu uses /usr/local/share
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for data_files (setup.py) and manjaro uses /usr/share.
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"""
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global logged
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source = None
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try:
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source = pkg_resources.require('key-mapper')[0].location
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# failed in some ubuntu installations
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except pkg_resources.DistributionNotFound:
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pass
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# depending on where this file is installed to, make sure to use the proper
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# prefix path for data
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# https://docs.python.org/3/distutils/setupscript.html?highlight=package_data#installing-additional-files # noqa pylint: disable=line-too-long
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data = None
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# python3.8/dist-packages python3.7/site-packages, /usr/share,
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# /usr/local/share, endless options
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if source and '-packages' not in source and 'python' not in source:
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# probably installed with -e, running from the cloned git source
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data = os.path.join(source, 'data')
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if not os.path.exists(data):
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if not logged:
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logger.debug('-e, but data missing at "%s"', data)
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data = None
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candidates = [
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'/usr/share/key-mapper',
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'/usr/local/share/key-mapper',
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os.path.join(site.USER_BASE, 'share/key-mapper'),
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]
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if data is None:
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# try any of the options
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for candidate in candidates:
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if os.path.exists(candidate):
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data = candidate
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break
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if data is None:
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logger.error('Could not find the application data')
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sys.exit(1)
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if not logged:
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logger.debug('Found data at "%s"', data)
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logged = True
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return os.path.join(data, filename)
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