django扩展AbstractBaseUser，并且自定义了用户ID，进入admin后台，添加新用户时报错？

• Z时代
• 2024-01-10
• 分类：技术分享

代码：

# -*- coding: utf-8 -*-
from django.db import models
from django.contrib.auth.models import (AbstractBaseUser, BaseUserManager, PermissionsMixin)
import uuid
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
# Create your models here.
class MyUserManager(BaseUserManager):
    def create_user(self, mobile, password=None):
        """
        Creates and saves a User with the given email, date of
        birth and password.
        """
        if not mobile:
            raise ValueError('Users must have an mobile')
        user = self.model(
            mobile = mobile,
        )
        user.id = uuid.uuid3(uuid.NAMESPACE_DNS, str(mobile))
        user.set_password(password)
        user.save(using=self._db)
        return user
    def create_superuser(self,mobile,password):
        """
        Creates and saves a superuser with the given email, date of
        birth and password.
        """
        user = self.create_user(mobile,
                                password=password,
                                )
        user.is_staff=True
        user.is_superuser=True
        user.save(using=self._db)
        return user
class MyUser(AbstractBaseUser, PermissionsMixin):
    id = models.CharField(
         verbose_name='用户ID', max_length=40, unique=True, primary_key=True
     )
    mobile = models.CharField(
        verbose_name='手机号', max_length=11, unique=True
    )
    is_staff = models.BooleanField(verbose_name='staff status', default=False)
    is_active = models.BooleanField(verbose_name='active', default=True)
    date_joined = models.DateTimeField(verbose_name='注册时间', blank=True, null=True)
    object = MyUserManager()
    USERNAME_FIELD = 'mobile'
    # REQUIRED_FIELDS = ['date_of_birth']
    REQUIRED_FIELDS = []
    def get_full_name(self):
        # The user is identified by their email address
        return self.mobile
    def get_short_name(self):
        # The user is identified by their email address
        return self.mobile
    def __unicode__(self):
        return "{0}, {1}".format(self.id, self.mobile)
    def has_perm(self, perm, obj=None):
        "Does the user have a specific permission?"
        # Simplest possible answer: Yes, always
        return True
    def has_module_perms(self, app_label):
        "Does the user have permissions to view the app `app_label`?"
        # Simplest possible answer: Yes, always
        return True

当不使用自定义的ID时是正常的，自定义ID之后，添加新用户就出错，求教！

回答：

uuid不是整数，要使用uuid作为主键，需要在自定义用户模型中的id字段设置为主键，

id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False, help_text='id')

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