If you first run syncdb with the UserPic.user field unique=True, it's not
enough just to change unique=False. You'll also need to remove the database
unique constraint. Do you have the problem on a fresh syncdb if
unique=False? If so, it would be helpful to include the full traceback of
the error.
On Tuesday, November 19, 2013 4:34:35 PM UTC-5, HannesP wrote:
>
> I'm Django noob so please bear with me. I am trying to make a simple
> gallery for usres so that they can upload pics to their profile. Here are
> the relevant parts:
>
> models.py
>
> def get_uplaod_file_name(instance,filename):
> return 'uploaded_files/%s_%s' % (str(time()).replace('.','_'), filename)
> class UserPic(models.Model):
> user = models.ForeignKey(User, unique=False)
> picfile = models.FileField(upload_to=get_uplaod_file_name)
>
> @models.permalink
> def get_absolute_url(self):
> return ('view_pirate', None, {'user': self.account.user})
>
> def __unicode__(self):
> return unicode(self.picfile.name)
>
> views.py
>
> @login_requireddef list(request):
> # Handle file upload
> if request.method == 'POST':
> picform = PicForm(request.POST, request.FILES)
> if picform.is_valid():
>
> newpic = UserPic(picfile = request.FILES['picfile'])
> newpic = picform.save(commit=False)
> newpic.user = request.user
> newpic.save()
> message = "file %s is uploaded" % newpic
> userpics = UserPic.objects.all()
>
> return render_to_response('userpics/listpics.html',
> {'userpics': userpics, 'picform':
> picform},
> context_instance=RequestContext(request)
> )
>
>
> else:
> picform = PicForm() # A empty, unbound form
>
>
> userpics = UserPic.objects.all()
>
>
> return render_to_response(
> 'userpics/listpics.html',
> {'userpics': userpics, 'picform': picform},
> context_instance=RequestContext(request)
> )
>
> The app works fine for one image upload but the problem is that whenever a
> user tries to upload a second image, Django gives this error:
>
> column user_id is not unique
>
> I have also tried 'unique= True on a fresh database in the model, but
> still got stocked at this problem. Appreciate your hints.
>
> Thanks
>
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