def serialize_param(val): """ To use in get_params """ if isinstance(val, (tuple, list)): # Only first element if val: return val[0] else: return '' else: return base.serialize_param(val)
def serializer(val): if isinstance(val, (list, tuple)): return port.to_b(',').join(map(port.to_b, val)) return base.serialize_param(val)