I found the reason: https://github.com/django/django/commit/27f5b0aff3442e5c25e84972dff4f5fe1edd4e68
at this line (1962): if not inline.has_change_permission(request, obj): an empty ParentModel is given as `obj` instead of None. Is this a new behavior or a bug? Thanks! Andrea Angelini *Zap 15* Tailored web solutions www.zap15.com On Tue, Dec 18, 2018 at 3:58 PM Andrea <[email protected]> wrote: > Hi everyone, > > could anyone confirm the following situation? > > I have a problem with the method "has_change_permission" of the > "admin.TabularInline" class for a Model, which has a fk to ParentModel. > > If I override that method with the following code: > > def has_change_permission(self, request, obj=None): > print(type(obj)) > return super().has_change_permission(request, obj) > > When I go to "/admin/foo/parentmodel/add/" to add a new ParentModel in the > admin panel: > > In Django 2.1.3 I get: > > <class 'NoneType'> > <class 'NoneType'> > > In Django 2.1.4 I get: > > <class 'NoneType'> > <class 'foo.models.ParentModel'> > <class 'NoneType'> > > Can anyone reproduce the problem? > > Thanks! > > Andrea Angelini > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAAPQ7Y1wDBunmN0QQwg9wyQLQD5kK7rFk%3D_at8jmjY_AmaDO2g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
