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我的系统中有3个相关模型。每个用户都属于一个特定的地方。用户可以发送消息,并对消息进行评论,类似于论坛主题。Django管理员说SuspiciousOperation,不允许过滤
这里有3种型号:
class Place(models.Model):
name = models.CharField(max_length=50, unique=True)
slug = models.SlugField(max_length=50, unique=True)
class Message(models.Model):
creator = models.ForeignKey(User)
title = models.CharField(max_length=40)
content = models.CharField(max_length=3000)
date_created = models.DateTimeField(default=timezone.now)
place = models.ForeignKey(Place)
class Comment(models.Model):
creator = models.ForeignKey(User)
content = models.CharField(max_length=3000)
date_created = models.DateTimeField(default=timezone.now)
message = models.ForeignKey(Message)
我想反映在我的AdminModels这种结构。所以我PlaceAdmin
我写了这个:
class PlaceAdmin(admin.ModelAdmin):
list_display = ('name', 'slug', 'list_messages')
def list_messages(self, obj):
url = reverse('admin:user_content_message_changelist')
return '<a href="{0}?place__id__exact={1}">List messages</a>'.format(url, obj.id)
list_messages.allow_tags = True
list_messages.short_description = 'Messages'
这工作完全,每个地方的链接,以该地方过滤的邮件列表。所以,我也同样为我MessageAdmin
:
class MessageAdmin(admin.ModelAdmin):
list_display = ('title', 'list_comments')
def list_comments(self, obj):
url = reverse('admin:user_content_comment_changelist')
return '<a href="{0}?message__id__exact={1}">List comments</a>'.format(url, obj.id)
list_comments.allow_tags = True
list_comments.short_description = 'Comments'
而且我得到以下错误:
SuspiciousOperation at /admin/user_content/comment/
Filtering by message__id__exact not allowed
我不明白为什么一个是允许的,另一种是不。有任何想法吗?我正在使用Django 1.5。