core.py 文件源码

def get_forward_relation_fields(cls):
        return [
            field for field in cls.Meta.model._meta.get_fields()
            if field.is_relation and (
                not field.auto_created or field.concrete
                or field.one_to_one
                or (field.many_to_one and field.related_model)
                or isinstance(field, GenericForeignKey)
            )
        ]