code: def connection(self, name=None):
          
          name, type = self._parse_connection_name(name)
  
          if name not in self._connections:
              logger.debug("Initiating connection %s" % name)
              connection = self._make_connection(name)
  
              self._set_connection_for_type(connection, type)
  
              self._connections[name] = self._prepare(connection)
  
          return self._connections[name]
docs: Get a database connection instance
  
          :param name: The connection name
          :type name: str
  
          :return: A Connection instance
          :rtype: orator.connections.connection.Connection