Django管理员:缺少一些记录的内联 [英] Django admin: missing inlines for some records
问题描述
我有两个模型:
class Measurement(models.Model):
user = models.ForeignKey(User)
date = models.DateTimeField(auto_now_add = True)
#etc
class Media(models.Model):
measurement = models.ForeignKey(Measurement)
link = models.CharField(max_length = 255,blank = True)
description = models.TextField(blank = True)
#etc
管理网站的配置: / p>
class MediaInline(admin.StackedInline):
model = Media
extra = 0
class MeasurementAdmin(admin.ModelAdmin):
inlines = [MediaInline,]
admin.site.register(Media)
admin.site.register(Measurement,MeasurementAdmin )
奇怪的是:管理站点显示一些Measurement对象的内联,不适用于其他。即使相关的记录在数据库中可见,整个表单也是不可见的(不存在)。另外, ValidationError:[u'ManagementForm数据丢失或已被篡改']
异常是为这些对象引发的。有人处理这个吗?
在90%的情况下,我看到这是由于 __ unicode __
方法,其中django用于内联模板。
I'm having some problems here with django admin site and inlines. I've been googling for solution for two days now but nothing.
I have two models:
class Measurement(models.Model):
user = models.ForeignKey(User)
date = models.DateTimeField(auto_now_add=True)
# etc
class Media(models.Model):
measurement = models.ForeignKey(Measurement)
link = models.CharField(max_length=255, blank=True)
description = models.TextField(blank=True)
# etc
And configuration for admin site:
class MediaInline(admin.StackedInline):
model = Media
extra = 0
class MeasurementAdmin(admin.ModelAdmin):
inlines = [MediaInline,]
admin.site.register(Media)
admin.site.register(Measurement, MeasurementAdmin)
The strange thing is: admin site shows inlines for some Measurement objects and doesn't for some others. Whole formset is invisible (it's not there) even if related records are visible in database. Also, ValidationError: [u'ManagementForm data is missing or has been tampered with']
exception is raised for these objects. Have anyone dealed with this?
In 90% cases i've seen this was due to error in __unicode__
method, which django use on inline template.
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