diff --git a/savannaclient/client.py b/savannaclient/client.py new file mode 100644 index 00000000..3317f1d7 --- /dev/null +++ b/savannaclient/client.py @@ -0,0 +1,45 @@ +# Copyright (c) 2014 Mirantis Inc. +# +# 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. + +from savannaclient.openstack.common import importutils + + +class UnsupportedVersion(Exception): + """Indicates that the user is trying to use an unsupported + version of the API. + """ + pass + + +def get_client_class(version): + version_map = { + '1.0': 'savannaclient.api.client.Client', + '1.1': 'savannaclient.api.client.Client', + } + try: + client_path = version_map[str(version)] + except (KeyError, ValueError): + supported_versions = ''.join(version_map.keys()) + msg = ("Invalid client version '%(version)s'; must be one of: " + "%(versions)s") % {'version': version, + 'versions': supported_versions} + raise UnsupportedVersion(msg) + + return importutils.import_class(client_path) + + +def Client(version, *args, **kwargs): + client_class = get_client_class(version) + return client_class(*args, **kwargs)