Hi all,
I've been using django for some time now and I must say that it's my
favorite framework. But lately I've run into a problem. Let's say I have
the following models:
class Contact(models.Model):
id = models.AutoField(primary_key=True)
user = models.ForeignKey(User, editable=False)
name = models.CharField(max_length=255, default='', null=True,
blank=True)
groups = models.ManyToManyField('Group', null=True, blank=True)
class Meta:
unique_together = ("user", "name")
def __unicode__(self):
return u'%s' % (self.name)
class Group(models.Model):
id = models.AutoField(primary_key=True)
user = models.ForeignKey(User, editable=False)
name = models.CharField(max_length=255, null=False, blank=False)
class Meta:
unique_together = ("user", "name")
def __unicode__(self):
return u'%s' % (self.name)
I'm using ModelForm to create the forms used to insert new instances
of both these models into my database. But, as the models made clear, I
want to have the contacts and the groups distinct to each user in
django. This part is working. Now, when I'm going to add a new contact,
for example, I want to set the initial value of the field "groups",
which is the ManytoMany field, to be only the groups belonging to that
user. I've searched the mail list and saw that I had to pass a list of
group id's to be the initial value of the field:
group_ids = []
for group in Group.objects.filter(user=request.user):
group_ids.append(group.id)
And then, create the form:
form = ContactForm(request.POST, request.FILES, initial={'groups':
group_ids})
When I do this, the form will render ok, but, instead of only
showing the groups belonging to that user, it will still show all the
groups in the model(belonging to other users too), the only difference
being that, the groups that belong to the request.user, showing already
selected, and the other groups(the ones that shouldn't be showing) not
selected. I don't know if this is possible without having to override
the queryset that the modelform make. Any ideas?
Thanks in advance,
--
Giancarlo Razzolini
http://lock.razzolini.adm.br
Linux User 172199
Red Hat Certified Engineer no:804006389722501
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