old_contents: """ OpenstackDriver for Network
      based on NetworkDriver
  """
  
  from neutronclient.v2_0 import client
  from network_driver import NetworkDriver
  
  
  class OpenstackNetWorkDriver(NetworkDriver):
      """docstring for OpenstackNetWorkDriver"""
  
      def __init__(self, auth_url, project_name,
                   username, password, user_domain_name=None,
                   project_domain_name=None, driver_name=None):
          super(OpenstackNetWorkDriver, self).__init__()
          self.provider = "OPENSTACK"
          self.auth_url = auth_url
          self.project_domain_name = project_domain_name
          self.user_domain_name = user_domain_name
          self.project_name = project_name
          self.username = username
          self.password = password
          if driver_name:
              self.driver_name = driver_name
          else:
              self.driver_name = "default"
  
          self._setup()
  
      def _setup(self):
          self.client = client.Client(
              username=self.username,
              password=self.password,
              tenant_name=self.project_name,
              auth_url=self.auth_url
          )
  
      def create(self):
          raise NotImplementedError
  
      def show(self):
          raise NotImplementedError
  
      def list(self):
          raise NotImplementedError
  
      def update(self):
          raise NotImplementedError
  
      def delete(self):
          raise NotImplementedError
  
new_contents: """ OpenstackDriver for Network
      based on NetworkDriver
  """
  
  from neutronclient.v2_0 import client
  from network_driver import NetworkDriver
  
  
  class OpenstackNetWorkDriver(NetworkDriver):
  
      """docstring for OpenstackNetWorkDriver"""
  
      def __init__(self, auth_url, project_name,
                   username, password, **kargs):
          super(OpenstackNetWorkDriver, self).__init__()
          self.provider = "OPENSTACK"
          self.auth_url = auth_url
          self.project_name = project_name
          self.username = username
          self.password = password
          self.driver_name = kargs.pop('driver_name', 'default')
          self._setup()
  
      def _setup(self):
          self.client = client.Client(
              username=self.username,
              password=self.password,
              project_name=self.project_name,
              auth_url=self.auth_url
          )
  
      def create(self, network):
          return self.client.create_network({'network': network})
  
      def show(self, network_id):
          return self.client.show_network(network_id)
  
      def list(self, retrieve_all=True, **kargs):
          return self.client.list_networks(retrieve_all, **kargs)
  
      def update(self, network_id, network):
          return self.client.update_network(network_id, {'network': network})
  
      def delete(self, network_id):
          return self.client.delete_network(network_id)
  
subject: Add neutron client without test