得到了一个意外的关键字参数“pzn”

Question

I'm struggling with following problem:

fachbereich_detailview() got an unexpected keyword argument 'pzn'

The error tells me that there is something wrong with my urls. If I change the last part of the url to int:test, it tells me that the unexpected keyword argument is test.

The query 'product = Products.objects.get(pzn="existingpzn")' is working fine (Tested with shell).

views.py

[...]
def fachbereich_detailview(request, pzn):

    context = {}

    try:
        product = Products.objects.get(pzn=pzn)
    except:
        return redirect('fachbereich')

    context['product'] = product

    return render(request, 'app/LoginArea/fachbereich_detailview.html', context)
[...]

urls.py

[...]
path('Produkt/<int:pzn>/', views.fachbereich_detailview, name='fachbereich_detailview'),
[...]

Html:

<a href="{% url 'fachbereich_detailview' product.pzn %}" class="small-text text-underline text-uppercase">Mehr erfahren</a>

I just can't figure out what the problem is.

Answer 1

It is because you are setting integer in your url, but you are passing string to your view. Change your url to that:

path('Produkt/<str:pzn>/', ...),