Re: Generic views and url issues

On 24/01/2013 10:39 AM, amy.cerrito@cbsinteractive.com wrote:
> I've been trying to understand how to use generic views. I've
> followed some tutorials, and read through Django docs, but I can't get
> the url function to work in my templates.
>
> I get the error
> NoReverseMatch at /testadcall/
> Reverse for 'detail' with arguments '(1,)' and keyword arguments '{}' not found.
>
> in my urls.py
>
> queryset = {'queryset': Adcall.objects.order_by('name')}
>
> urlpatterns = patterns('django.views.generic.list_detail',
> url(r'^$','object_list', queryset, name="adcalls"),
> url(r'(?P<object_id>\d+)/detail/$', 'object_detail', queryset,
> name="detail"),
> )
>
> in my template for the list view:
>
> {% load url from future %}
> {% if object_list %}
> <ul>
> {% for adcall in object_list %}
> <li><a href="{% url 'detail' adcall.id %}/">{{ adcall.name
> }}</a></li>
> {% endfor %}
> </ul>
> {% endif %}
>
> I've tried no quotes, single quotes, and double quotes around the url
> name "detail", with no apparent effect.
>
> Am I wrong in thinking that this should work?
>

The problem is a mismatch between your urls.py pattern and the
parameters you give to the url templatetag - note in the error message
that it mentions both arguments and keyword arguments (with your example
having a single non-keyword argument). However, in your url pattern for
the "detail" url, you use a named capture (object_id). In this case, you
must use a keyword argument to match:

{% url 'detail' object_id=adcall.id %}

Regards,
Michael.

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