Django信号不适用于get_user_model

问题描述

我正在尝试在创建用户时向用户添加个人资料图片,但是当我尝试登录时创建用户时,即使我尝试使用超级用户登录Django admin,也会得到User has no profile。此错误是由signals.py文件中的instance.profile.save()引起的。

这是我的信号。py:

from django.contrib.auth import get_user_model
from django.db.models.signals import post_save
from django.dispatch import receiver

from .models import Profile

User = get_user_model()


@receiver(post_save,sender=User)
def create_profile(sender,instance,created,**kwargs):
  print('inside signals')
  print(created)
  if created:
    Profile.objects.create(user=instance)


@receiver(post_save,**kwargs):
  print('inside profile create')
  instance.profile.save()

这是我的个人资料模型:

from django.db import models
from django.conf import settings

# Create your models here.
User = settings.AUTH_USER_MODEL


class Profile(models.Model):
  user = models.OneToOneField(User,on_delete=models.CASCADE)
  image = models.ImageField(default='default.jpg',upload_to='profile_pics')

  def __str__(self):
    return f"{self.user.username} Profile"

这是我的注册视图:

User = get_user_model()


def register_view(request):
  form = RegisterForm(request.POST or None)

  if form.is_valid():
    username = form.cleaned_data.get('username')
    email = form.cleaned_data.get('email')
    password = form.cleaned_data.get('password1')
    password2 = form.cleaned_data.get('password2')

    try:
      user = User.objects.create_user(username,email,password)
    except:
      user = None

    if user != None:
      # request.user == user
      # login(request,user)
      return redirect('login')
    else:
      request.session['register_error'] = 1

  return render(request,"recipe/forms.html",{'form': form,'title': 'Join Today'})

编辑:这是apps.py

from django.apps import AppConfig


class AccountsConfig(AppConfig):
  name = 'accounts'

  def ready(self):
    print('inside app')
    import accounts.signals

我确实在apps.py ready函数下导入了accounts.signals,但在accounts.apps.AccountsConfig下确实有INSTALLED_APPS

注释instance.profile.save()可以使我登录Django admin,在那里我可以看到通过我的注册视图创建了用户,但是没有创建配置文件。

解决方法

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