Jan Dittberner
473fcfffa2
This commit adds a get_env_variable function that is taken from gva's settings.base module into a new module gvacommon.settings_utils.
39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
#
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# gvacommon - common parts of gnuviechadmin
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# Copyright (C) 2016 Jan Dittberner
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero 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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# This program 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from os import environ
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# Normally you should not import ANYTHING from Django directly
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# into your settings, but ImproperlyConfigured is an exception.
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from django.core.exceptions import ImproperlyConfigured
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def get_env_variable(var_name):
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"""
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Get a setting from an environment variable.
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:param str var_name: variable name
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:raises ImproperlyConfigured: if the environment setting is not defined
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:return: environment setting value
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:rtype: str
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"""
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try:
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return environ[var_name]
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except KeyError:
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error_msg = "Set the %s environment variable" % var_name
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raise ImproperlyConfigured(error_msg)
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