28 lines
1.0 KiB
Python
28 lines
1.0 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo.utils import strutils
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from heat.openstack.common.gettextutils import _
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def extract_bool(subject):
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'''
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Convert any true/false string to its corresponding boolean value,
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regardless of case.
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'''
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if str(subject).lower() not in ('true', 'false'):
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raise ValueError(_('Unrecognized value "%(value)s", acceptable '
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'values are: true, false.') % {'value': subject})
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return strutils.bool_from_string(subject, strict=True)
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