Oh yes, I should have known that: * you must have inlines for this to work. * the if line should be: if formset.cleaned_data[0]['yourfield'] == yourfield_value:
end of update... On Jun 22, 1:11 pm, hadaraz <[email protected]> wrote: > Hi, > > I recently needed to override a manytomany field on the save_model() > method in the admin. However, this is not possible because it will get > overwritten later with the original values. I asked if this will > change in the future on the django-developers > list:http://groups.google.com/group/django-developers/msg/180d491dc781be49 > Never got an answer... > Anyway, here is how I solved it. If you look at django/contrib/admin/ > options.py, you will see that the order of saving is this: > > 1. save_model() > 2. save_m2m() > 3. save_formset() > > So, overriding the save_formset() method (I'm using inlines anyway, > but I think it would work without them as well) enables me change the > way manytomany behaves. Example use in my MyAdmin.py: > > def save_formset(self, request, form, formset, change): > "override the manytomany field" > super(MyAdmin, self).save_formset(request, form, formset, > change) > if formset.field == something: # see note later on > # form.instance is your model > ...do something with form.instace > .... > form.instance.save() > > Note: this function will run as many times as the inline forms you > have, so make sure it only happens once, maybe using an if statement > to check something on your formset, as done above. > > hope it helps someone, > hadaraz --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
