Opened 4 years ago

Closed 4 years ago

#31671 closed Bug (invalid)

Unable to get PK or ID for One-to-One field within template

Reported by: FlavienJP Owned by: nobody
Component: Template system Version: 3.0
Severity: Normal Keywords: url, one-to-one field
Cc: Triage Stage: Unreviewed
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by FlavienJP)

Hello,

I'm trying to render a Truck page and to add a link to the Router associated view.

Router and Truck are linked together through the Order model.

The link between Order and Router is made with a one-to-one field as decribed below :

class Router(models.Model):
    order = models.OneToOneField('organisation.Order',
                              on_delete=models.PROTECT)

And in my ordering template i'm generating the link to the Router view from the Truck view :

{% for order in truck.order_set.all %}
<td><a href="{% url 'operation:router_view' pk=order.router.id %}">{{ order.router }}</a></td>
{% endfor %}

Then i get the following error :

NoReverseMatch at /organisation/truck/1

Reverse for 'router_view' with keyword arguments '{'pk': ''}' not found. 1 pattern(s) tried: ['operation/router/(?P<pk>[0-9]+)$']

PK remains empty but if only request for 'order.router.id' out of {% url %}, i'm able to get the pk (or id).

{% for order in truck.order_set.all %}
<td>{{ order.router.id}}</td>
{% endfor %}

And also through the python console :

>>>Truck.objects.get(pk=1).order_set.all()[0].router.pk
1

There is something strange within {% url %} section.

Thanks for your help.

Flavien

Change History (2)

comment:1 by FlavienJP, 4 years ago

Description: modified (diff)

comment:2 by FlavienJP, 4 years ago

Resolution: invalid
Status: newclosed

Bad idea to work late ... I've forget that two orders from # types was attached to this Truck.

Sorry.

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