code: def is_directory(self, path):
          '''Is the node pointed to by @ref path a directory (name servers and
          naming contexts)?
  
          '''
          node = self.get_node(path)
          if not node:
              return False
          return node.is_directorf is_directory(self, path):
          '''Is the node pointed to by @ref path a directory (name servers and
          naming contexts)?
  
          '''
          node = self.get_node(path)
          if not node:
              return False
          return node.is_directory
docs: Is the node pointed to by @ref path a directory (name servers and
          naming contexts)?