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OpenStack Study: versions.py**** CubicPower OpenStack Study ****
# 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.exc from nova.api.openstack.compute import versions from nova.api.openstack.compute.views import versions as views_versions from nova.api.openstack import extensions ALIAS = "versions"
**** CubicPower OpenStack Study **** class VersionsController(object): @extensions.expected_errors(404)
**** CubicPower OpenStack Study **** def show(self, req, id='v3.0'): builder = views_versions.get_view_builder(req) if id not in versions.VERSIONS: raise webob.exc.HTTPNotFound() return builder.build_version(versions.VERSIONS[id])
**** CubicPower OpenStack Study **** class Versions(extensions.V3APIExtensionBase): """API Version information.""" name = "Versions" alias = ALIAS version = 1
**** CubicPower OpenStack Study **** def get_resources(self): resources = [ extensions.ResourceExtension(ALIAS, VersionsController(), custom_routes_fn=self.version_map)] return resources
**** CubicPower OpenStack Study **** def get_controller_extensions(self): return []
**** CubicPower OpenStack Study **** def version_map(self, mapper, wsgi_resource): mapper.connect("versions", "/", controller=wsgi_resource, action='show', conditions={"method": ['GET']}) mapper.redirect("", "/")
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