如何获得Django / Wagtail来解析此URL

Question

我感觉像是在问这个问题，因为我确信答案很简单。尽管如此，我还是花了数小时研究和测试可能的解决方案，但还是一头雾水。

在项目harmony中，我已经编写了自己的登录页面，它位于名为users的应用程序中。

我还有一个名为your_harmony的应用程序。要超越your_harmony页面，用户需要登录。

your_harmony.html

    {% if user.is_authenticated %}
        <h1>{{ self.sub_title|richtext }}</h1>
        You are logged in as: {{ user.username }} &nbsp
                <a href="/users/logout">Click here to logout</a>
        ...
    {% else %}
         You must login to access this page. <a href="/users/login">Click here to login</a>
    {% endif %}

harmony.urls

urlpatterns = [
   ...
    url(r'your-harmony/', include('your_harmony.urls')),
    url(r'^users/', include('users.urls')),
   ...

your_harmony.urls

urlpatterns = [
    path('', views.your_harmony, name='your_harmony')
]

URL / users / login使用users / views.py显示登录表单

views.py

RETURN_FROM_LOGIN_URL = 'your-harmony'
RETURN_FROM_LOGIN_URL = 'your_harmony/your_harmony.html'

def login_view(request):
    form_context = {'login_form': LoginForm,}
    url = "users/login.html"
    if request.method == 'POST':
        username = request.POST['username']
        password = request.POST['password']
        user = authenticate(username=username, password=password)
        if user is not None:
            if user.is_active:
                login(request, user)
                url = RETURN_FROM_LOGIN_URL
            else:
                messages.error(request, 'Your account is not enabled!')
            context = {}
        else:
            messages.error(request, 'Your username or password was not recognized!')
            context = form_context
    else:
        context = form_context
    return render(request, url, context)

如果我回到'your-harmony'会收到错误

TemplateDoesNotExist位于/​​ users / login /

您的和声

如果返回'your_harmony / your_harmony.html'，我会得到页面，但没有上下文。

我该如何排序？

Answer 1

根据@gasman的建议，我重新阅读了Django教程。由于Tutorial Part 4状态：

您应该在成功处理POST数据后始终返回HttpResponseRedirect。本技巧并非专门针对Django；一般而言，这是一种很好的Web开发实践

因此，我更改了代码以包括此返回值，并用URL conf替换了模板路径。

views.py

RETURN_FROM_LOGIN_URL = 'your_harmony'

def login_view(request):
    form_context = {'login_form': LoginForm,}
    url = "users/login.html"
    if request.method == 'POST':
        username = request.POST['username']
        password = request.POST['password']
        user = authenticate(username=username, password=password)
        if user is not None:
            if user.is_active:
                login(request, user)
                return HttpResponseRedirect(reverse(RETURN_FROM_LOGIN_URL))
            else:
                messages.error(request, 'Your account is not enabled!')
            context = {}
        else:
            messages.error(request, 'Your username or password was not recognized!')
            context = form_context
    else:
        context = form_context
    return render(request, url, context)

学到很多东西，值得努力