python-glanceclient/glanceclient/client.py
Li Wei 4773c96672 Use import_versioned_module from oslo.utils
oslo.utils 3.17 provides this funtion, so just use it directly.

Change-Id: I85cb78a6fd33a5b1f7e09648efed1b0737678eee
Closes-Bug: #1627313
2016-12-06 09:35:55 +00:00

65 lines
2.4 KiB
Python

# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
# 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import warnings
from oslo_utils import importutils
from glanceclient.common import utils
def Client(version=None, endpoint=None, session=None, *args, **kwargs):
"""Client for the OpenStack Images API.
Generic client for the OpenStack Images API. See version classes
for specific details.
:param string version: The version of API to use.
:param session: A keystoneauth1 session that should be used for transport.
:type session: keystoneauth1.session.Session
"""
# FIXME(jamielennox): Add a deprecation warning if no session is passed.
# Leaving it as an option until we can ensure nothing break when we switch.
if session:
if endpoint:
kwargs.setdefault('endpoint_override', endpoint)
if not version:
__, version = utils.strip_version(endpoint)
if not version:
msg = ("You must provide a client version when using session")
raise RuntimeError(msg)
else:
if version is not None:
warnings.warn(("`version` keyword is being deprecated. Please pass"
" the version as part of the URL. "
"http://$HOST:$PORT/v$VERSION_NUMBER"),
DeprecationWarning)
endpoint, url_version = utils.strip_version(endpoint)
version = version or url_version
if not version:
msg = ("Please provide either the version or an url with the form "
"http://$HOST:$PORT/v$VERSION_NUMBER")
raise RuntimeError(msg)
module = importutils.import_versioned_module('glanceclient', int(version),
'client')
client_class = getattr(module, 'Client')
return client_class(endpoint, *args, session=session, **kwargs)