fde20b994b
Add version and can use 'evoque' command Change-Id: If29548e32f0176bcc3ac7ef02a47b89b7ffbdf82
49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
# Copyright 2012 OpenStack LLC.
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# All Rights Reserved.
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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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from oslo_utils import importutils
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# Decorator for cli-args
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def arg(*args, **kwargs):
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def _decorator(func):
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# Because of the sematics of decorator composition if we just append
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# to the options list positional options will appear to be backwards.
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func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs))
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return func
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return _decorator
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def import_versioned_module(version, submodule=None):
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module = 'evoqueclient.v%s' % version
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if submodule:
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module = '.'.join((module, submodule))
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return importutils.import_module(module)
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def env(*vars, **kwargs):
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"""Search for the first defined of possibly many env vars
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Returns the first environment variable defined in vars, or
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returns the default defined in kwargs.
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"""
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for v in vars:
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value = os.environ.get(v, None)
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if value:
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return value
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return kwargs.get('default', '')
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