Hi. Im trying to create a web-site with a book from pact.com (Django
website development) as a basis. It has gone pretty well so far, but i
have encountered a problem when changing a form in models.py from
ForeingKey to OneToManyKey.
I think i know where the problem is, but i cant find a resolution.
view.py:
---------------------------------------------------------------------------------------
from django.http import Http404, HttpResponseRedirect
from django.template import RequestContext
from django.contrib.auth import logout
from django.contrib.auth.models import User
from django.contrib.auth.decorators import login_required
from django.shortcuts import render_to_response
def startside(request):
return render_to_response(
'startside.html',
RequestContext(request)
)
@login_required
def brukerside(request, username):
try:
bruker = User.objects.get(username=username)
except User.DoesNotExist:
raise Http404(u'Bruker eksisterer ikke.')
snarveier = bruker.brukersnarvei_set.all()
variabler = RequestContext(request, {
'brukernavn': username,
'snarveier': snarveier,
})
return render_to_response('brukerside.html', variabler)
def utlogg(request):
logout(request)
return HttpResponseRedirect('/')
---------------------------------------------------------------------------------
models.py:
---------------------------------------------------------------------------------
# -*- coding: utf-8 -*-
from django.db import models
from django.contrib.auth.models import User
class Program(models.Model):
""" Inneholder link til forskjellige programmer """
tittel = models.CharField(max_length=64, unique=True)
link = models.URLField(unique=True)
def __unicode__(self):
return self.tittel
class Meta:
verbose_name_plural="Programmer"
class Brukersnarvei(models.Model):
""" Kobler sammen brukere og programmer """
brukere = models.OneToOneField(User)
programmer = models.ManyToManyField(Program)
def __unicode__(self):
return u'%s' % (self.brukere)
class Meta:
verbose_name_plural="Brukersnarveier"
-------------------------------------------------------------------------------
Error message:
'User' object has no attribute 'brukersnarvei_set'
-------------------------------------------------------------------------------
I have chosen to put norwegian names where i can to better see the
difference between python/django-set standards and what i have more
controll over.
I understand the problem lies in the view; "snarveier =
bruker.brukersnarvei_set.all()".
I dont completely understand how the _set-function works, and i think
this is not usable on a OneToManyField?
Any pointers on where to find information on this, or a direct
resolution (or alternatives) are highly appreciated!
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