Django-view accounts.decorators.wrapper_函数没有';t返回HttpResponse对象。它没有返回任何结果
我正在构建一个客户管理应用程序,并且已经构建了几个装饰程序。但当我运行应用程序时,会出现此错误 view accounts.decorators.wrapper_函数未返回HttpResponse对象。相反,它没有返回任何结果。 装饰师Django-view accounts.decorators.wrapper_函数没有';t返回HttpResponse对象。它没有返回任何结果,django,django-models,django-views,python-decorators,Django,Django Models,Django Views,Python Decorators,我正在构建一个客户管理应用程序,并且已经构建了几个装饰程序。但当我运行应用程序时,会出现此错误 view accounts.decorators.wrapper_函数未返回HttpResponse对象。相反,它没有返回任何结果。 装饰师 from django.http import HttpResponse from django.shortcuts import redirect def unauthenticated_user(view_func): def wrapper_f
from django.http import HttpResponse
from django.shortcuts import redirect
def unauthenticated_user(view_func):
def wrapper_func(request, *args, **kwargs):
if request.user.is_authenticated:
return redirect('home')
elif request.user.is_authenticated == None:
return redirect('login')
else:
return view_func(request, *args, **kwargs)
return wrapper_func
def allowed_users(allowed_roles=[]):
def decorator(view_func):
def wrapper_func(request, *args, **kwargs):
group = None
if request.user.groups.exists():
group = request.user.groups.all()[0].name
if group in allowed_roles:
return view_func(request, *args, **kwargs)
else:
return HttpResponse('You are not authorized to view this page')
return wrapper_func
return decorator
def admin_only(view_func):
def wrapper_function(request, *args, **kwargs):
group = None
if request.user.groups.exists():
group = request.user.groups.all()[0].name
if group == 'customer':
return redirect('user-page')
if group == 'admin':
return view_func(request, *args, **kwargs)
return wrapper_function
还有我的观点
from django.shortcuts import render, redirect
from django.http import HttpResponse
from django.forms import inlineformset_factory
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth import authenticate, login, logout
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import Group
from .models import *
from .forms import OrderForm, CreateUserForm, CustomerForm
from .filters import OrderFilter
from .decorators import unauthenticated_user, allowed_users, admin_only
# Create your views here.
@unauthenticated_user
def registerPage(request):
form = CreateUserForm()
if request.method == 'POST':
form = CreateUserForm(request.POST)
if form.is_valid():
user =form.save()
username = form.cleaned_data.get('username')
messages.success(request,'Account was created for '+ username)
return redirect('login')
context = {'form':form}
return render(request,'accounts/register.html',context)
@unauthenticated_user
def loginPage(request):
if request.method == 'POST':
username=request.POST.get('username')
password=request.POST.get('password')
user = authenticate(request,username=username, password=password)
if user is not None:
login(request,user)
return redirect('home')
else:
messages.info(request, 'Username or password or incorrect')
context = {}
return render(request,'accounts/login.html',context)
def logoutUser(request):
logout(request)
return redirect('login')
@admin_only
@login_required(login_url='login')
def home(request):
orders = Order.objects.all()
customers = Customer.objects.all()
total_customer = customers.count()
total_orders = orders.count()
delivered = orders.filter(status='Delivered').count()
pending = orders.filter(status='Pending').count()
context = {'orders':orders,'customers':customers,'total_orders':total_orders,'delivered':delivered,'pending':pending}
return render(request, 'accounts/dashboard.html',context)
@login_required(login_url='login')
@allowed_users(allowed_roles=['customer'])
def userPage(request):
orders = request.user.customer.order_set.all()
total_orders = orders.count()
delivered = orders.filter(status='Delivered').count()
pending = orders.filter(status='Pending').count()
context = {'orders':orders,'total_orders':total_orders,'delivered':delivered,'pending':pending}
return render(request, 'accounts/user.html',context)
@login_required(login_url='login')
@allowed_users(allowed_roles=['customer'])
def accountSettings(request):
customer = request.user.customer
form = CustomerForm(instance=customer)
if request.method == 'POST':
form = CustomerForm(request.POST, request.FILES,instance=customer)
if form.is_valid():
form.save()
context = {'form':form}
return render(request, 'accounts/account_settings.html', context)
@login_required(login_url='login')
@allowed_users(allowed_roles=['admin'])
def product(request):
products = Product.objects.all()
return render(request, 'accounts/products.html', {'products': products})
@login_required(login_url='login')
@allowed_users(allowed_roles=['admin'])
def customer(request,pk_test):
customer = Customer.objects.get(id=pk_test)
orders = customer.order_set.all()
order_count = orders.count()
myFilter = OrderFilter(request.GET, queryset=orders)
orders = myFilter.qs
context = {'customer':customer,'orders':orders,'order_count':order_count,'myFilter':myFilter}
return render(request, 'accounts/customer.html',context)
@login_required(login_url='login')
@allowed_users(allowed_roles=['admin'])
def createOrder(request,pk):
OrderFormSet = inlineformset_factory(Customer,Order, fields=('product', 'status'),extra=10)
customer = Customer.objects.get(id=pk)
#form = OrderForm(initial={'customer':customer})
formset = OrderFormSet(queryset=Order.objects.none(),instance=customer)
if request.method == 'POST':
#print('Printing POST',request.POST)
#form = OrderForm(request.POST)
formset = OrderFormSet(request.POST,instance=customer)
if formset.is_valid():
formset.save()
return redirect('/')
context = {'formset':formset}
return render(request,'accounts/order_form.html',context)
@login_required(login_url='login')
@allowed_users(allowed_roles=['admin'])
def updateOrder(request,pk):
order = Order.objects.get(id=pk)
form = OrderForm(instance=order)
context = {'form':form}
if request.method == 'POST':
#print('Printing POST',request.POST)
form = OrderForm(request.POST,instance=order)
if form.is_valid():
form.save()
return redirect('/')
return render(request,'accounts/order_form.html',context)
@login_required(login_url='login')
@allowed_users(allowed_roles=['admin'])
def deleteOrder(request,pk):
order = Order.objects.get(id=pk)
if request.method == 'POST':
order.delete()
return redirect('/')
context={'item':order}
return render(request, 'accounts/delete.html',context)
这是我的第一个问题请告诉我,如果我没有提供任何有用的信息来回答这个问题正如Lain Shelvington在评论中提到的那样,您的
管理员
装饰师不会对“管理员”和“客户”以外的组返回响应:
def admin_only(查看函数):
def包装器_函数(请求、*args、**kwargs):
组=无
如果request.user.groups.exists():
group=request.user.groups.all()[0]。name
如果组==“客户”:
返回重定向('用户页')
elif组==“管理员”:
返回视图功能(请求,*args,**kwargs)
其他:
返回#Shiv
如果您正在学习Dennis Ivy的教程,但仍然存在该问题,请尝试以下方法:
使用超级用户帐户登录到Django管理站点
返回主站点
注销并尝试创建另一个用户
我在处理信号视频时也犯了同样的错误。我不确定是否还有另一个bug需要修复,但这让应用程序再次为我工作。问题是您登录的帐户不属于任何组。我假设这是您第一次创建的管理员帐户。转到管理页面-->然后转到用户-->并将管理组分配给他。但是一个更好的答案被放弃了,因为它确实提供了一个解决方案
我假设你正在关注Dennis Ivy在youtube上的教程
我也有同样的问题。对我来说,这是因为当我第一次将数据库从sqlite迁移到PostgreSQL,然后从PostgreSQL迁移到AWS RDS时,不知何故,我所有的用户信息都丢失了
我的解决方法是创建一个新的超级用户(因为我的超级用户被删除了),其中包括:
python manage.py createsuperuser
然后使用此新的超级用户登录信息登录到管理面板。您将看到您的超级用户尚未分配给任何组,如果您检查您的组面板,您将看到前面创建的组变量,即customer
和admin
,不在这里。因此,继续创建这两种组类型。然后返回用户面板,为超级用户分配admin变量
然后注销并转到您的/register/
页面,创建一个普通帐户(不是管理员,只是客户)。然后,如果您登录到超级用户帐户并再次转到管理面板,您将看到您的普通用户(客户)被分配了customer
变量
这就是我解决问题的方法。我希望这对你的工作有帮助。干杯。我也犯了同样的错误,我是如何解决的?实际上这是一个愚蠢的错误。
首先。
转到“管理员”,转到“用户”而不是“组”部分,您将看到您尚未将任何组分配给该客户。根据您的选择分配客户组或管理员组
这是我的错误,我没有分配任何小组。我希望你也犯了同样的错误。对于一些会出现此错误的人,用户“sogu”的响应修复了我的问题:
(如果其他解决方案对您不起作用,请查看该解决方案)只有在不满足条件时,admin_中的包装函数才会返回响应。你需要归还一些东西谢谢!这很有帮助。哈伊尔·丹尼斯·艾薇:)也有同样的错误。谢谢你的详细说明。嗨,丹尼斯·艾薇:)
def admin_only(view_func):
def wrapper_function(request, *args, **kwargs):
group = None
if request.user.groups.exists():
group = request.user.groups.all()[0].name
if group == 'customer':
return redirect('user-page')
elif group == 'admin':
return view_func(request, *args, **kwargs)
else:
return # <- return response here (possibly a redirect to login page?)
return wrapper_function