old_contents: # Copyright (c) 2012 OpenStack, LLC.
  #
  # 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 quantum.api.v2 import attributes
  
  EXTENDED_ATTRIBUTES_2_0 = {
      'networks': {
          # TODO(rkukura): specify validation
          'provider:vlan_id': {'allow_post': True, 'allow_put': False,
                               'convert_to': int,
                               'default': attributes.ATTR_NOT_SPECIFIED,
                               'is_visible': True},
      }
  }
  
  
  class Providernet(object):
      """Extension class supporting provider networks.
  
      This class is used by quantum's extension framework to make
      metadata about the provider network extension available to
      clients. No new resources are defined by this extension. Instead,
      the existing network resource's request and response messages are
      extended with attributes in the provider namespace.
  
      To create a provider VLAN network using the CLI with admin rights:
  
         (shell) net-create --tenant_id <tenant-id> <net-name> \
         --provider:vlan_id <vlan-id>
  
      With admin rights, network dictionaries returned from CLI commands
      will also include provider attributes.
      """
  
      def get_name(cls):
          return "Provider Network"
  
      def get_alias(cls):
          return "provider"
  
      def get_description(cls):
          return "Expose mapping of virtual networks to VLANs and flat networks"
  
      def get_namespace(cls):
          return "http://docs.openstack.org/ext/provider/api/v1.0"
  
      def get_updated(cls):
          return "2012-07-23T10:00:00-00:00"
  
      def get_extended_attributes(self, version):
          if version == "2.0":
              return EXTENDED_ATTRIBUTES_2_0
          else:
              return {}
  
new_contents: # Copyright (c) 2012 OpenStack, LLC.
  #
  # 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 quantum.api.v2 import attributes
  
  EXTENDED_ATTRIBUTES_2_0 = {
      'networks': {
          # TODO(rkukura): specify validation
          'provider:vlan_id': {'allow_post': True, 'allow_put': False,
                               'convert_to': int,
                               'default': attributes.ATTR_NOT_SPECIFIED,
                               'is_visible': True},
      }
  }
  
  
  class Providernet(object):
      """Extension class supporting provider networks.
  
      This class is used by quantum's extension framework to make
      metadata about the provider network extension available to
      clients. No new resources are defined by this extension. Instead,
      the existing network resource's request and response messages are
      extended with attributes in the provider namespace.
  
      To create a provider VLAN network using the CLI with admin rights:
  
         (shell) net-create --tenant_id <tenant-id> <net-name> \
         --provider:vlan_id <vlan-id>
  
      With admin rights, network dictionaries returned from CLI commands
      will also include provider attributes.
      """
  
      @classmethod
      def get_name(cls):
          return "Provider Network"
  
      @classmethod
      def get_alias(cls):
          return "provider"
  
      @classmethod
      def get_description(cls):
          return "Expose mapping of virtual networks to VLANs and flat networks"
  
      @classmethod
      def get_namespace(cls):
          return "http://docs.openstack.org/ext/provider/api/v1.0"
  
      @classmethod
      def get_updated(cls):
          return "2012-07-23T10:00:00-00:00"
  
      def get_extended_attributes(self, version):
          if version == "2.0":
              return EXTENDED_ATTRIBUTES_2_0
          else:
              return {}
  
subject: Add classmethod decorator to class methods of providervlan ext.