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PODjango: "How to get the slug from url() before passing it to MyClass.as_view()?" or "How to check if registration is open?"
 

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  1. PODjango: "How to get the slug from url() before passing it to MyClass.as_view()?" or "How to check if registration is open?"
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    <p>I want to check if a user is allowed to register for a specific event. I thought in order to save code I could do it like the <code>login_required</code> decorator right between the <code>url()</code> and <code>MyClass.as_view()</code>. But how do I get that slug? Or is this solution totally wrong? (I unfortunatelly can't use the <code>user_passes_test</code> because I don't want to test someting on the user but on the url.)</p> <p>So I tryed this:</p> <p>views.py</p> <pre><code>from registration.models import Event from django.utils import timezone from django.contrib.auth.decorators import login_required from django.shortcuts import get_object_or_404 from django.http import HttpResponseRedirect from django.core.urlresolvers import reverse def reg_is_open(event_slug): """ Return True if registration is open. """ event = get_object_or_404(Event, slug=event_slug) if event.open_date &lt;= timezone.now() and event.cut_off &gt;= timezone.now(): return True def allow_view(cls, **initkwargs): """ Check weather registration is open and user is logged in. Returns to registration start page if registration is closed. """ slug = initkwargs.get('event') # Does not work! if not reg_is_open(slug): return HttpResponseRedirect(reverse('registration:event_index', args=slug)) return login_required(cls.as_view(**initkwargs)) # Also works when I remove **initkwargs. That means that what I'm looking for just passes... </code></pre> <p>urls.py</p> <pre><code>from django.conf.urls import patterns, url, include from registration import views event_patterns = patterns('', url(r'^person/$', views.allow_view(views.PersonList), name='person_list'), # instead of # url(r'^person/$', login_required(views.PersonList.as_view()), name='person_list'), # ... urlpatterns = patterns('', url(r'^(?P&lt;event&gt;[-a-zA-Z0-9_]+)/$', views.EventDetails.as_view(), name='event_index'), url(r'^(?P&lt;event&gt;[-a-zA-Z0-9_]+)/', include(event_patterns)), # ... </code></pre>
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    1. USyofee
    1. USyofee
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    1. COhttp://stackoverflow.com/a/5433410/1566605
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      1. PODjango: "How to get the slug from url() before passing it to MyClass.as_view()?" or "How to check if registration is open?"
      1. USmariodev
    2. COWhere is the slug supposed to be coming from? You have that parameter in your `event_index` URL pattern but not in your decorated `person_list` pattern.
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      1. PODjango: "How to get the slug from url() before passing it to MyClass.as_view()?" or "How to check if registration is open?"
      1. USKevin Christopher Henry
    3. CO@KevinChristopherHenry The captured slug `event` is passed. [See here.](https://docs.djangoproject.com/en/1.5/topics/http/urls/#captured-parameters)
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      1. PODjango: "How to get the slug from url() before passing it to MyClass.as_view()?" or "How to check if registration is open?"
      1. USyofee
 

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