如果用户在 video_url 字段中输入值,我会尝试使字段 video_thumbnail 成为必需,反之亦然。但如果两者都是空的,则不需要它们。
models.py
class Post(TimeStampedModel):
video_url = models.CharField(max_length=255, blank=True)
video_thumbnail = ResizedImageField(upload_to=file_name, storage=upload_storage, max_length=255, blank=True, null=True)
答案 0 :(得分:0)
您可以覆盖保存方法,
class Post(TimeStampedModel):
video_url = models.CharField(max_length=255, blank=True)
video_thumbnail = ResizedImageField(upload_to=file_name, storage=upload_storage, max_length=255, blank=True, null=True)
def save(self, *args, **kwargs):
if not self.video_url and self.video_thumbnail == None:
raise ValueError("The value isn't allowed")
super(Post, self).save(*args, **kwargs)