'Return the port for the client given the port id.
:param context: Request context.
:param port_id: The id of port to be queried.
:returns: A dict containing port data keyed by \'port\', e.g.
{\'port\': {\'port_id\': \'abcd\',
\'fixed_ip_address\': \'1.2.3.4\'}}'

def show_port(self, context, port_id):

    return dict(port=self._show_port(context, port_id))
