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OpenStack Study: versions.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2011 Citrix Systems. # 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 webob.dec from neutron.api.views import versions as versions_view from neutron.openstack.common import gettextutils from neutron.openstack.common import log as logging from neutron import wsgi LOG = logging.getLogger(__name__)
**** CubicPower OpenStack Study **** class Versions(object): @classmethod
**** CubicPower OpenStack Study **** def factory(cls, global_config, **local_config): return cls() @webob.dec.wsgify(RequestClass=wsgi.Request)
**** CubicPower OpenStack Study **** def __call__(self, req): """Respond to a request for all Neutron API versions.""" version_objs = [ { "id": "v2.0", "status": "CURRENT", }, ] if req.path != '/': language = req.best_match_language() msg = _('Unknown API version specified') msg = gettextutils.translate(msg, language) return webob.exc.HTTPNotFound(explanation=msg) builder = versions_view.get_view_builder(req) versions = [builder.build(version) for version in version_objs] response = dict(versions=versions) metadata = { "application/xml": { "attributes": { "version": ["status", "id"], "link": ["rel", "href"], } } } content_type = req.best_match_content_type() body = (wsgi.Serializer(metadata=metadata). serialize(response, content_type)) response = webob.Response() response.content_type = content_type response.body = body return response
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