old_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright (c) 2013 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.
  
  from neutron.api import extensions
  
  EXTENDED_ATTRIBUTES_2_0 = {
      "subnets": {
          "segment_id": {"allow_post": True, "default": None},
      }
  }
  
  
  class Subnets_quark(extensions.ExtensionDescriptor):
      """Extends subnets for quark API purposes.
  
      * Shunts enable_dhcp to false
      """
  
      @classmethod
      def get_name(cls):
          return "Quark Subnets API Extension"
  
      @classmethod
      def get_alias(cls):
          return "subnets_quark"
  
      @classmethod
      def get_description(cls):
          return "Quark Subnets API Extension"
  
      @classmethod
      def get_namespace(cls):
          return ("http://docs.openstack.org/api/openstack-network/2.0/content/"
                  "Subnets.html")
  
      @classmethod
      def get_updated(cls):
          return "2013-04-22T10:00:00-00:00"
  
      def get_extended_resources(self, version):
          if version == "2.0":
              return EXTENDED_ATTRIBUTES_2_0
          else:
              return {}
  
new_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright (c) 2013 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.
  
  from neutron.api import extensions
  
  EXTENDED_ATTRIBUTES_2_0 = {
      "subnets": {
          "segment_id": {"allow_post": True, "default": None},
          "ip_policy_id": {"allow_post": False, "allow_put": False,
                           "default": None, "is_visible": True}
      }
  }
  
  
  class Subnets_quark(extensions.ExtensionDescriptor):
      """Extends subnets for quark API purposes.
  
      * Shunts enable_dhcp to false
      """
  
      @classmethod
      def get_name(cls):
          return "Quark Subnets API Extension"
  
      @classmethod
      def get_alias(cls):
          return "subnets_quark"
  
      @classmethod
      def get_description(cls):
          return "Quark Subnets API Extension"
  
      @classmethod
      def get_namespace(cls):
          return ("http://docs.openstack.org/api/openstack-network/2.0/content/"
                  "Subnets.html")
  
      @classmethod
      def get_updated(cls):
          return "2013-04-22T10:00:00-00:00"
  
      def get_extended_resources(self, version):
          if version == "2.0":
              return EXTENDED_ATTRIBUTES_2_0
          else:
              return {}
  
subject: Add ability to see ip_policy_id on subnet response