学习 django 并创建了一个新项目。
通过登录管理页面http://127.0.0.1:8000/admin http://127.0.0.1:8000/admin但是在为每个用户添加配置文件代码后,我收到以下错误
Error
用户/模型.py
from django.db import models
from django.contrib.auth.models import User
from PIL import Image
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'
def save(self):
super().save()
img=Image.open(self.image.path)
if img.height>300 or img.width >300:
output_size=(300,300)
img.thumbnail(output_size)
img.save(self.image.path)
用户/视图.py
from django.shortcuts import render,redirect
from django.contrib.auth.forms import UserCreationForm
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from .forms import UserRegisterForm,UserUpdateForm,ProfileUpdateForm
def register(request):
if request.method=="POST":
form=UserRegisterForm(request.POST)
if form.is_valid():
form.save() # it will save user in database
#form.cleaned_data is dictionary it will contain the data from form
username=form.cleaned_data.get('username')
messages.success(request,f'Your account has been created!')
return redirect('login')
else:
form=UserRegisterForm()
# instance of UserCreationForm() class will create form in template as we are passing there
return render(request,'users/register.html',{'form':form})
@login_required()
def profile(request):
if request.method == "POST":
u_form=UserUpdateForm(request.POST,instance=request.user)
p_form=ProfileUpdateForm(request.POST,request.FILES,instance=request.user.profile)
if u_form.is_valid() and p_form.is_valid():
u_form.save()
p_form.save()
messages.success(request, f'Your account has been updated!')
return redirect('profile')
else:
u_form = UserUpdateForm(instance=request.user)
p_form = ProfileUpdateForm(instance=request.user.profile)
context={
'u_form':u_form,
'p_form':p_form
}
return render(request,'users/profile.html',context)
用户/表单.py
from django import forms
from django.contrib.auth.models import User
from django.contrib.auth.forms import UserCreationForm
from .models import Profile
class UserRegisterForm(UserCreationForm):
email=forms.EmailField()
class Meta:
model=User #model will affected will be User as after submitting form user table gonna affect. and below will fields in forms
fields=['username','email','password1','password2']
class UserUpdateForm(forms.ModelForm):
email = forms.EmailField()
class Meta:
model = User # model will affected will be User as after submitting form user table gonna affect. and below will fields in forms
fields = ['username', 'email']
class ProfileUpdateForm(forms.ModelForm):
class Meta:
model=Profile
fields=['image']
用户/signals.py
from django.db.models.signals import post_save
from django.contrib.auth.models import User
from django.dispatch import receiver
from .models import Profile
@receiver(post_save,sender=User)
def create_profile(sender,instance,created,**kwargs):
if created:
Profile.objects.create(user=instance)
@receiver(post_save, sender=User)
def save_profile(sender, instance, created, **kwargs):
instance.profile.save()
可能是管理员配置文件不可用并且未创建。有什么建议吗?