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[英]Why does django not do for the User model the same as it does for the userprofile model?
[英]updating UserProfile (OneToOne model to Django User model)
我剛接觸Django,並使用帳戶系統創建Django項目。 我用一對一的UserProfile模型擴展了User模型。
但是,我在將數據保存到UserProfile模型時遇到問題(保存到User模型沒有問題)。 我試圖按照本指南進行修復,但在/ account / login /遇到了AttributeError,“用戶”對象沒有屬性“ UserProfile”錯誤,這表示在models.py下instance.UserProfile.save()
存在錯誤
如何獲取UserProfile表單以保存和修復此無屬性錯誤?
models.py
from django.db import models
from django.contrib.auth.models import User
from django.dispatch import receiver
from django.db.models.signals import post_save
import datetime
from django.conf import settings
class UserProfile(models.Model):
user = models.OneToOneField(
User,
on_delete=models.CASCADE,
blank=True,
null=True,
unique=True,
related_name='userprofile'
)
bio = models.CharField(max_length=200, default='', blank=True)
campus = models.CharField(max_length=100, default='', blank=True)
website = models.URLField(default='', blank=True)
phone = models.IntegerField(default=0, blank=True)
image = models.ImageField(upload_to='profile_image', blank=True)
birthday = models.DateField(blank=True, default=datetime.date.today)
gender = models.CharField(default='', blank=True, max_length=20)
def __str__(self):
return self.user.username
@receiver(post_save, sender=User)
def create_user_profile(sender, instance, created, **kwargs):
if created:
UserProfile.objects.create(user=instance)
@receiver(post_save, sender=User)
def save_user_profile(sender, instance, **kwargs):
instance.UserProfile.save()
表格
# Edit User form
class EditProfileForm(UserChangeForm):
class Meta:
model = User
fields = (
'email',
'first_name',
'last_name',
'password',
)
# Edit User Profile form
class UserProfileForm(forms.ModelForm):
class Meta:
model = UserProfile
fields = (
'bio',
'campus',
'birthday',
'gender',
'website',
'phone',
'image',
)
views.py
@login_required
@transaction.atomic
def edit_profile(request):
if request.method == 'POST':
user_form = EditProfileForm(request.POST, instance=request.user)
profile_form = UserProfileForm(request.POST, instance=request.user.UserProfile.user)
if user_form.is_valid() and profile_form.is_valid():
user = user_form.save(commit=False)
#user.username = user.email
user.save()
profile = profile_form.save(commit=False)
profile.user = user
profile.save()
return redirect('/account/profile')
else:
profile_form = UserProfileForm(instance=request.user.userprofile)
user_form = EditProfileForm(instance=request.user)
args = {
'user_form': user_form, # basic user form
'profile_form': profile_form # user profile form
}
return render(request, 'accounts/edit_profile.html', args)
模板account / edit_profile.html
<form method="POST">
{% csrf_token %}
{{ user_form.as_p }}
{{ profile_form.as_p }}
<button type="submit">Submit</button>
</form>
urls.py
url(r'^profile/edit/$', views.edit_profile, name='edit_profile')
解:
在models.py中只有一個接收者,並更改else: instance.UserProfile().save()
接收者else: instance.UserProfile().save()
到else: instance.userprofile().save()
接收者else: instance.userprofile().save()
@receiver(post_save, sender=User)
def create_or_update_user_profile(sender, instance, created, **kwargs):
if created:
UserProfile.objects.create(user=instance)
else:
instance.userprofile.save()
在views.py中修正錯別字
將profile_form = UserProfileForm(request.POST, instance=request.user.UserProfile.user)
更改為profile_form = UserProfileForm(request.POST, instance=request.user.userprofile)
您有兩個處理程序偵聽相同的信號( post_save
),並且在create_user_profile
找到機會創建UserProfile
實例之前, save_user_profile
函數運行。
我建議將兩個處理程序合並為一個,例如:
@receiver(post_save, sender=User)
def create_or_update_user_profile(sender, instance, created, **kwargs):
if created:
UserProfile.objects.create(user=instance)
else:
instance.userprofile.save()
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