Thanks for your reply Jacob. The only problem with the method you suggested is that the field now shows up in the admin form which allows people to edit it. I would rather that this didn't happen. Is there any way around this?
Thanks, Ryan On Mar 25, 1:54 pm, Jacob Kaplan-Moss <ja...@jacobian.org> wrote: > Hi Ryan -- > > On Fri, Mar 25, 2011 at 3:55 AM, Ryan Osborn <ryan.osbor...@gmail.com> wrote: > > I am using django 1.3 and have the following in my models.py: > > > class Entry(models.Model): > > title = models.CharField(max_length=255) > > slug = models.SlugField(unique_for_date='created') > > created = models.DateField(auto_now_add=True, editable=False) > > > However, I can add an entry in the admin interface with a slug and > > then immediately afterwards add another entry with the same slug > > without an error being rasied. Am I missing something? > > Basically what's happening is that `auto_now_add` and `editable` > outdated kludges. Both work by actually excluding the field in > question from the admin form, which means it's not available for > validation so none is ran. > > A better approach, I think, would be to use something like:: > > import datetime > from django.db import models > > class Entry(models.Model): > title = models.CharField(max_length=255) > slug = models.SlugField(unique_for_date='created') > created = models.DateField(default=datetime.date.today) > > This will work as expected in the admin and in model forms. > > Jacob -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.