Python graphene 模块，InputObjectType() 实例源码

def convert_serializer_to_input_type(serializer_class):
    serializer = serializer_class()

    items = {
        name: convert_serializer_field(field)
        for name, field in serializer.fields.items()
    }

    return type(
        '{}Input'.format(serializer.__class__.__name__),
        (graphene.InputObjectType,),
        items
    )