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# This file is part of morss
# Copyright (C) 2013-2020 pictuga <>
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
# This program 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 Affero General Public License for more
# details.
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <>.
import os
import os.path
import sys
def pkg_path(*path_elements):
return os.path.join(os.path.dirname(__file__), *path_elements)
data_path_base = None
def data_path(*path_elements):
global data_path_base
path = os.path.join(*path_elements)
if data_path_base is not None:
return os.path.join(data_path_base, path)
bases = [
os.path.join(sys.prefix, 'share/morss'), # when installed as root
pkg_path('../share/morss'), # for `pip install --target=dir morss`
pkg_path('..'), # when running from source tree
if 'DATA_PATH' in os.environ:
for base in bases:
full_path = os.path.join(base, path)
if os.path.isfile(full_path):
data_path_base = os.path.abspath(base)
return data_path(path)
raise IOError()