options.py 2.32 KB
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
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# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
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# Copyright (C) 2013 Association of Universities for Research in Astronomy
#                    (AURA)
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import os


TRUE_VALUES = ('true', '1', 'yes')


def get_boolean_option(option_dict, option_name, env_name):
    return ((option_name in option_dict
             and option_dict[option_name][1].lower() in TRUE_VALUES) or
            str(os.getenv(env_name)).lower() in TRUE_VALUES)