text: # 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 openstack.network import network_service
  from openstack.network.v2 import tag
  from openstack import resource
  
  
  class SecurityGroup(resource.Resource, tag.TagMixin):
      resource_key = 'security_group'
      resources_key = 'security_groups'
      base_path = '/security-groups'
      service = network_service.NetworkService()
  
      # capabilities
      allow_create = True
      allow_fetch = True
      allow_commit = True
      allow_delete = True
      allow_list = True
  
      _query_mapping = resource.QueryParameters(
          'description', 'name',
          project_id='tenant_id',
          **tag.TagMixin._tag_query_parameters
      )
  
      # Properties
      #: Timestamp when the security group was created.
      created_at = resource.Body('created_at')
      #: The security group description.
      description = resource.Body('description')
      #: The security group name.
      name = resource.Body('name')
      #: The ID of the project this security group is associated with.
      project_id = resource.Body('tenant_id')
      #: Revision number of the security group. *Type: int*
      revision_number = resource.Body('revision_number', type=int)
      #: A list of
      #: :class:`~openstack.network.v2.security_group_rule.SecurityGroupRule`
      #: objects. *Type: list*
      security_group_rules = resource.Body('security_group_rules', type=list)
      #: Timestamp when the security group was last updated.
      updated_at = resource.Body('updated_at')
  