python-3.x - Djnago 'ImageFieldFile' 对象没有属性 '_meta'
问题描述
实际上我正在尝试更新用户配置文件,但是当我尝试更新它时,它会显示错误。
/user/profile/ 'ImageFieldFile' 对象的 AttributeError 没有属性 '_meta' 在搜索了这么多解决方案后,我无法摆脱它。我从 24 小时开始搞乱我的代码。请帮我摆脱这个。
-- 我的代码是 --- Views.py
@login_required()
def profile(request):
if request.method=='POST':
u_form = UserUpdateForm(request.POST,instance=request.user)
p_form = ProfilePicUpdateForm(request.POST,request.FILES,instance=request.user.profile_image)
if u_form.is_valid() and p_form.is_valid():
u_form.save()
p_form.save()
messages.success(request, 'Profile Updated Succesfully')
redirect('profile/')
else:
u_form = UserUpdateForm(instance=request.user)
p_form = ProfilePicUpdateForm()
context = {'u_form': u_form,'p_form':p_form}
return render(request,'profile.html',context)
表格.py
class UserUpdateForm(forms.ModelForm):
username = forms.CharField()
email = forms.EmailField()
first_name = forms.CharField()
last_name = forms.CharField()
class Meta:
model = KeepSafeUserModel
fields = ['username','email','first_name','last_name']
class ProfilePicUpdateForm(forms.ModelForm):
class Meta:
model = KeepSafeUserModel
fields = ['profile_image']
模型.py
from django.db import models
from django.contrib.auth.models import User
from django.contrib.auth.models import (
BaseUserManager, AbstractBaseUser
)
# ///////////////User Manager/////////////////////
# Create your models here.
# overriding the create and superuser function
class MyAccountManager(BaseUserManager):
def create_user(self,email,username,password=None):
if not email:
raise ValueError("Users Must Have email Address")
if not username:
raise ValueError("Users Must Have username")
user = self.model(
email=self.normalize_email(email),
username=username,
)
user.set_password(password)
user.save(using=self._db)
return user
def create_superuser(self,email,username,password):
user = self.create_user(
email = self.normalize_email(email),
username=username,
password=password,
)
user.is_admin = True
user.is_staff = True
user.is_superuser = True
user.save(using=self._db)
return user
# ////////////////////////////////////////////////////////////
def get_profile_image_filepath(self,filename):
return f'profile_images/{self.pk/{profile_image.png}}' #pk= primary key
def get_default_profile_image():
return "img/default_profile/default.png"
class KeepSafeUserModel(AbstractBaseUser):
first_name = models.CharField(verbose_name='first_name',max_length=30,default="")
last_name = models.CharField(verbose_name='last_name',max_length=30,default="")
email= models.TextField(verbose_name='email',max_length=60,unique=True,primary_key=True)
username = models.CharField(max_length=30,unique=True)
date_joined = models.DateTimeField(verbose_name="date joined",auto_now_add=True)
last_login = models.DateTimeField(verbose_name='last_login',auto_now=True)
is_active = models.BooleanField(default=True)
is_staff = models.BooleanField(default=False)
is_admin = models.BooleanField(default=False)
is_superuser = models.BooleanField(default=False)
profile_image = models.ImageField(max_length=225,upload_to=get_profile_image_filepath,null=True,blank=True,default=get_default_profile_image)
#password field is buil-in
# hide_email = models.BooleanField(default=True)
objects = MyAccountManager()
USERNAME_FIELD = 'email'
REQUIRED_FIELDS = ['username']
def __str__(self):
return self.username
def has_perm(self,perm,obj=None):
return self.is_admin
def has_module_perms(self,app_Label):
return True
def get_profile_image_filename(self):
return str(self.profile_image)[str(self.profile_image).index('profile_images/{self.pk}/')]
解决方案
因此,在弄乱了我的代码之后,我自己得到了答案。其实问题出在表格上。如果您在上面的代码中看到我已经从同一模型创建了两种不同的形式。但是,当我尝试提交该表格时,总是有一个例外让我心烦意乱,没有 _meta 和所有。在找到更多解决方案后,我成功将其删除,但其他一些异常阻止我修复整个错误。然后我注意到一件事,为什么我创建了两个表单,为什么不创建一个。{好吧,我正在从视频中学习,所以我只是做了相同的步骤},所以我认为我应该只对两种操作使用一种形式,而我只是使用了这个。
class UserUpdateForm(forms.ModelForm):
username = forms.CharField()
email = forms.EmailField()
first_name = forms.CharField()
last_name = forms.CharField()
class Meta:
model = KeepSafeUserModel
fields = ['username','email','first_name','last_name','profile_image']
你不会相信代码会成功运行。如果有人知道解决此问题的更好方法,请回答,以便所有像我们这样的开发人员都能获得解决方案。