58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
# This file is part of morss
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#
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# Copyright (C) 2013-2020 pictuga <contact@pictuga.com>
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <https://www.gnu.org/licenses/>.
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import os
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import os.path
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import sys
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def pkg_path(*path_elements):
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return os.path.join(os.path.dirname(__file__), *path_elements)
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data_path_base = None
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def data_path(*path_elements):
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global data_path_base
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path = os.path.join(*path_elements)
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if data_path_base is not None:
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return os.path.join(data_path_base, path)
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bases = [
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os.path.join(sys.prefix, 'share/morss'), # when installed as root
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pkg_path('../../../share/morss'),
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pkg_path('../../../../share/morss'),
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pkg_path('../share/morss'), # for `pip install --target=dir morss`
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pkg_path('..'), # when running from source tree
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]
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if 'DATA_PATH' in os.environ:
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bases.append(os.environ['DATA_PATH'])
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for base in bases:
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full_path = os.path.join(base, path)
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if os.path.isfile(full_path):
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data_path_base = os.path.abspath(base)
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return data_path(path)
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else:
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raise IOError()
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