On Tue, Aug 18, 2009 at 4:36 PM, Joshua Russo<josh.r.ru...@gmail.com> wrote: > On Tue, Aug 18, 2009 at 1:23 PM, Marek Palatinus <ma...@palatinus.cz> wrote: >> >> On Tue, Aug 18, 2009 at 12:22 PM, Joshua Russo<josh.r.ru...@gmail.com> >> wrote: >> > On Tue, Aug 18, 2009 at 8:52 AM, Marek Palatinus <ma...@palatinus.cz> >> > wrote: >> >> >> >> Hello, >> >> >> >> Im doing some validation in ModelAdmin.save_model(). I can cancel >> >> operation (just dont call parent method), but I also need to show some >> >> error message to user. Im able to call self.message_user() and show >> >> INFO message, but how to send ERROR message and maybe show form back >> >> and force user to correct inputs? >> >> >> >> I need validation on level of whole formset, not on field level, so I >> >> cannot use some custom field to achieve that. >> > >> > What you want is to override the ModelAdmin.form with a custom form and >> > handle the clean_xxx() methods there. Django form validation is done in >> > the >> > form objects/classes. >> > Create a ModelForm >> > (http://docs.djangoproject.com/en/dev/topics/forms/modelforms/) and then >> > set >> > your ModelAdmin.form to your new ModelForm. >> > >> >> Joshua, thanks a lot! >> >> to others: there also exists clean() which have available all fields >> from form at one place. > > I often also place checks in the save of a model (like you were doing) to > help catch scenarios when using the models in your own code (outside of the > admin app).
Yes, I know that and Im using model validation, but I need check human input and print errors to admin interface. When I have validation only in model, there is no chance to print error message (because it can be called outside admin). Marek --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
