28 lines
1010 B
Python
28 lines
1010 B
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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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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import os
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class DefaultsDict(dict):
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def add(self, key, default_value=None, also=None, prefix=None):
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if prefix:
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key = '%s_%s' % (prefix.replace('-', '_'), key)
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if also:
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value = os.environ.get(also, default_value)
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value = os.environ.get('OS_%s' % key.upper(), default_value)
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if value is not None:
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self.__setitem__(key, value)
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