我有一个自定义用户模型,如下所示:
class User(AbstractUser):
subscribe_newsletters = models.BooleanField(default=True)
old_id = models.IntegerField(null=True, blank=True)
old_source = models.CharField(max_length=25, null=True, blank=True)
并使用内置的 UserAdmin
admin.site.register(User, UserAdmin)
虽然编辑用户记录工作正常,但是当我添加用户时,出现以下错误
Exception Value:
relation "auth_user" does not exist
LINE 1: ...user"."is_active", "auth_user"."date_joined" FROM "auth_user...
最佳答案
经过一番挖掘,我发现了这个
https://docs.djangoproject.com/en/1.5/topics/auth/customizing/#custom-users-and-the-built-in-auth-forms
罪魁祸首是函数clean_username
内UserCreationForm
内django.contrib.auth.forms.py
.已经创建了一些票证,但显然维护者并不认为这是一个缺陷:
https://code.djangoproject.com/ticket/20188
https://code.djangoproject.com/ticket/20086
def clean_username(self):
# Since User.username is unique, this check is redundant,
# but it sets a nicer error message than the ORM. See #13147.
username = self.cleaned_data["username"]
try:
User._default_manager.get(username=username)
except User.DoesNotExist:
return username
raise forms.ValidationError(self.error_messages['duplicate_username'])
User
在此文件中直接引用内置用户模型。为了解决这个问题,我创建了我的自定义表单
from models import User #you can use get_user_model
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.admin import UserAdmin
from django.contrib.auth import forms
class MyUserCreationForm(UserCreationForm):
def clean_username(self):
# Since User.username is unique, this check is redundant,
# but it sets a nicer error message than the ORM. See #13147.
username = self.cleaned_data["username"]
try:
User._default_manager.get(username=username)
except User.DoesNotExist:
return username
raise forms.ValidationError(self.error_messages['duplicate_username'])
class Meta(UserCreationForm.Meta):
model = User
class MyUserAdmin(UserAdmin):
add_form = MyUserCreationForm
admin.site.register(User,MyUserAdmin)
或者您可以尝试猴子修补原始
UserCreationForm
替换 User
多变的。
关于管理员中的 Django 自定义用户模型,关系 "auth_user"不存在,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16953302/