有以下问题;我正在通过示例关注 Django,Antonio Mele。这里的练习是设置用户登录和注销。使用默认的 contrib.auth View 。当使用书中的代码时。注销 View 是管理页面注销的 View ;似乎与此处描述的问题相同

django logout redirects me to administration page 。试过了都没有成功

我一直在研究这个问题。我的代码现在可以工作,因为不再呈现管理模板。但是,我仍然无法使用我自己的 logout.html。我可以重定向到我自己的 login.html...但不是 logout.html。注销本身正在工作。用户可以使用模板登录和退出仅此问题。我现在只收到一个浏览器错误



检查 cookie 可以看到 csrf token 被接受

没有可用的回溯没有错误:-(

如果我使用下面的代码,所有工作都有一个异常(exception)。我在注销时被重定向到 Django 管理注销模板,而不是我自己的 logout.html....这是在书中使用 coede 时....我自己修改的代码,带有单独的注销功能也无法生成最大递归错误。编辑 URLS.PY 会停止呈现管理模板。但修改后的代码似乎在网址中存在问题,即 .....

这是行不通的!!!!!

 url(r'^logout/$', 'django.contrib.auth.views.logout',{'next_page': '/account/logout'},  name='logout'),

这工作完美!
 url(r'^logout/$', 'django.contrib.auth.views.logout',{'next_page': '/account/login'},  name='logout'),

书中的代码如下

从书籍设置.PY
from django.core.urlresolvers import reverse_lazy

LOGIN_REDIRECT_URL = reverse_lazy('dashboard')
LOGIN_URL = reverse_lazy('login')
LOGOUT_URL = reverse_lazy('logout')

从书 VIEWS.PY
from django.http import HttpResponse
from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.decorators import login_required
from django.contrib import messages
from .forms import LoginForm

@login_required
def dashboard(request):
    return render(request, 'account/dashboard.html', {'section': 'dashboard'})


def user_login(request):
    if request.method == 'POST':
        form = LoginForm(request.POST)
        if form.is_valid():
            cd = form.cleaned_data
            user = authenticate(username=cd['username'], password=cd['password'])
            if user is not None:
                if user.is_active:
                    login(request, user)
                    return HttpResponse('Authenticated successfully')
                else:
                    return HttpResponse('Disabled account')
            else:
                return HttpResponse('Invalid login')
    else:
        form = LoginForm()
    return render(request, 'account/login.html', {'form': form})

从书主 URLS.PY
from django.conf.urls import include, url
from django.contrib import admin



urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^account/', include('account.urls')),
    ]

MYAPP(账号) URLS.PY
from django.conf.urls import url
from . import views


urlpatterns = [
    # url(r'^login/$', views.user_login, name='login'),
    url(r'^$', views.dashboard, name='dashboard'),



    # login / logout urls
    url(r'^login/$', 'django.contrib.auth.views.login', name='login'),
    url(r'^logout/$', 'django.contrib.auth.views.logout', name='logout'),
    url(r'^logout-then-login/$', 'django.contrib.auth.views.logout_then_login', name='logout_then_login'),

我修改后的代码

我现在在我的 View 中包含了一个单独的注销定义,现在还传递了一个 {key:value} 对 {'next_page': '/account/logout'}。

如果 logout def 被使用并映射到 urls 文件中,它会在 logout(request) 行生成最大递归错误
def logout(request):
    logout(request)
    request.session.flush()
    request.user = AnonymousUser
    # Redirect to a success page.
    return HttpResponseRedirect(request,'/account/logout.html',context_instance = RequestContext(request))

没有这个定义,产生的唯一错误是

"""
页面没有正确重定向

"""Iceweasel 检测到服务器正在以永远不会完成的方式重定向对该地址的请求。
This problem can sometimes be caused by disabling or refusing to accept cookies.""""

"""
我在浏览器中检查了 cookie,并看到 csrf_token 被接受

对我来说奇怪的是,如果代码:{'next_page': '/account/logout'} 更改为 {'next_page': '/account/login'} 一切正常。已经尝试了所有找到的建议,我很茫然,感谢任何帮助......

我的代码
View .PY
from django.shortcuts import render
from django.http import HttpResponse, HttpResponseRedirect
from django.contrib.auth import authenticate, login, logout
from .forms import LoginForm
from django.contrib.auth.decorators import login_required
from django.template import RequestContext
from django.contrib.auth.models import User


# Create your views here.

@login_required
def dashboard(request):
    return render(request, 'account/dashboard.html',{'section': 'dashboard' })




def user_login(request):
    cd = None
    if request.method=='POST':
        form  = LoginForm(request.POST)
        if form.is_valid():
            cd = form.cleaned_data
            user = authenticate(username=cd['username'],
                                password=cd['password'])
            if user is not None:
                if user.is_active:
                    login(request, user)
                    return HttpResponse('Authenticated successfully')
                else:
                    return HttpResponse('Disabled Account')
            else:
                return HttpResponse('Invalid Login')
    else:
        form = LoginForm()
    return render(request, 'account/login.html',{'form': form},context_instance = RequestContext(request))


def logout(request):
    logout(request)
    request.session.flush()
    request.user = AnonymousUser
    # Redirect to a success page.
    return HttpResponseRedirect(request,'/account/logout.html',context_instance = RequestContext(request))

我的代码
帐户/网址.py
from django.conf.urls import url, patterns
from . import views



urlpatterns = [
              # post views
              #url(r'^login/$', views.user_login, name='login'),
              # login/logout urls
              url(r'^$', views.dashboard, name='dashboard'),
              url(r'^login/$', 'django.contrib.auth.views.login', name='login'),
              url(r'^logout/$', 'django.contrib.auth.views.logout',{'next_page': '/account/logout'},  name='logout'),
              url(r'^logout-then-login/$','django.contrib.auth.views.logout_then_login', name='logout_then_login'),

              ]

我的代码
主网址.PY
from django.conf.urls import include, url
from django.contrib import admin


urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^account/', include("account.urls")),
]

我的代码
设置.PY
LOGIN_REDIRECT_URL = reverse_lazy('dashboard')
LOGIN_URL = reverse_lazy('login')
LOGOUT_URL = reverse_lazy('logout')

INSTALLED_APPS = (
    'account',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

)

MIDDLEWARE_CLASSES = (
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'django.middleware.security.SecurityMiddleware',
)


# urlpatterns += patterns('django.contrib.auth.views',
#          #url(r'^login/$', 'login', { 'template_name': 'registration/login.html'}, name='login' ),
#          #url(r'^logout/$', 'logout', { 'template_name': 'registration/logout.html', 'next_page':reverse('index') }, name='logout' ),
#  )

我的代码
登出.html
{% extends "base1.html" %}

{% block title %}Logged Out{% endblock %}


{% block content %}
<h1>
    Logged Out
</h1>
<p>
    You have been successfully logged out. You can <a href="{% url "login" %}">Log-in again</a>
</p>{% endblock %}

我的代码
base1.html
{% load staticfiles %}
<!DOCTYPE html>
<html>
<head>
    <title>{% block title %}{% endblock %}</title>
    <link rel="stylesheet" type="text/css" href="{% static 'css/base.css' %}">
</head>
<body>


<div id="header">
    <span class="logo">
        BookMarks
    </span>
{% if user.is_authenticated %}
<ul class="menu">

<li {% if section == "dashboard" %}class="selected"{% endif %}>
<a href="{% url 'dashboard' %}">My dashboard</a>
</li>
<li {% if section == "images" %}class="selected"{% endif %}>
<a href="#">Images</a>
</li>
<li {% if section == "people" %}class="selected"{% endif %}>
<a href="#">People</a>
</li>
</ul>
{% endif %}

{%if user.is_authenticated %}
<span class="user">


Hello {{ user.first_name }} {{ user.last_name }},
<a href="{% url 'logout'  %}">Logout</a>

{% else %}
<a href='{% url "login" %}'>Log-in</a>
{% endif %}
</span>
</div>

<div id="content">
    {% block content %}
    {% endblock %}
</div>

</body>

</html>

最佳答案

您正在 contrib.auth 中使用 logouturls.py View 。此 View 重定向到 'next_page' 指定的 URL。您提供 '/account/logout' 作为 next_page —— logout View 再次被调用!

这会导致(无限) redirect loop : View 重定向到自身。

改为尝试:在您自己的 logout View 中:

# no redirecting here!
return render(request, 'account/logout.html',
              context_instance=RequestContext(request))

account/urls.py 中为该 View 添加一个 URL:
url(r'^post-logout/$', logout, name='post-logout'),
# logout being your own view

然后将该 url 作为 'next_page' 提供给实际( auth )注销:
url(r'^logout/$', 'django.contrib.auth.views.logout',
    {'next_page': '/account/post-logout'},  name='logout'),

关于python - Django 无法呈现注销模板,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/37364483/

10-11 22:33
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