"""
# print("obj.author", obj.author)
# print("request", request.user)
obj_has_author...= hasattr(obj, "author")
# print(obj_has_author)
if not obj_has_author:...source = models.ForeignKey(Source, verbose_name="来源", blank=True,
null...=True)
tags = models.ManyToManyField(Tag, verbose_name="标签", related_name="tags_set", blank=True)...related_name="last_reply_set", verbose_name="最后回复者", blank=True,
null