Test if self.instance.user is not None, if so, change the queryset to exclude the self.instance.user:
http://gist.github.com/350440 ______________________ VinÃcius Mendes Solucione Sistemas http://solucione.info/ On Wed, Mar 31, 2010 at 11:24 AM, Emanuel <[email protected]> wrote: > Hi all! > > I have a modelform and I want to customize validation. > > I'm overriding the method clean_<field>(). > > When I'm saving the form I want to see if a specific user has been already > assigned to a project. The only way he can ben assigned again is if he's an > inactive user, so: > > models.py > Class User(models.Model): > name = models.CharField(...) > active = models.BooleanField() > ... > > Class Project(models.Model): > user = models.ForeignKey(User) > .... > ****************** > > forms.py > Class ProjectForm(ModelForm) > .... > def clean_name(self): > user = self.cleaned_data['user'] > if User.objecs.filter(user.id, active=True): > raise forms.ValidationError(_("This man has been > already assign > to a partner")) > return user > > > When I'm creating a new project it works fine (I believe, haven't been > tested > yet), but when editing it throws an error because the user already exists, > and > that's obvious. So, I want to be able to verify if it is a new instance or > if > it is an instance being edited. > > > Thanks, > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<django-users%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
