Thanks Daniel, appreciate the super fast response! I did your
suggestion and it works like a charm. It's better than putting the
method in each class. Was just hoping there is a way I could override
get_object in the singeobjectmixin everywhere vs. adding another mixin
for each CBV. Perhaps i'm just being too lazy....
Thanks again!
Dave
On Apr 7, 11:45 am, Daniel Roseman <dan...@roseman.org.uk> wrote:
> On Saturday, 7 April 2012 16:40:05 UTC+1, Dave wrote:
>
> > Hi, I need to manipulate my pk when using new class based views. In
> > order to DRY I think what's needed is to superclass SingleObjectMixin.
>
> > I have the following but it's not working. Greatly appreciate help/
> > suggestions!
>
> > In view.py have the below which does not work.
>
> > from django.views.generic.detail import SingleObjectMixin
> > class SingleObjectMixin(SingleObjectMixin):
>
> > def get_object(self, *args, **kwargs):
> > queryset = self.get_queryset()
> > pk = pid_to_oid(self.kwargs.get('pk'))
> > queryset = queryset.filter(pk=pk)
> > obj = queryset.get()
> > return obj
>
> > return super(SingleObjectMixin,self).get_object(self, *args,
> > **kwargs)
>
> > from django.views.generic import ListView, DetailView
>
> > but if I do the below it works(but prefer to not have to add this to
> > each CBV).
>
> > class ItemDetailView(DetailView):
> > model=Item
>
> > def get_object(self):
> > queryset = self.get_queryset()
> > pk = pid_to_oid(self.kwargs.get('pk'))
> > queryset = queryset.filter(pk=pk)
> > obj = queryset.get()
> > return obj
>
> > Thanks in advance for the help.
>
> > Dave
>
> I'm not quite sure what you're trying to do here, especially in your use of
> "superclass" rather than the more normal "subclass". In any case, you can't
> simply subclass something but call your class the same name as the parent
> class and just expect all references to the superclass to be magically
> replaced by your class.
>
> The thing I guess you're missing is that SingleObjectMixin is, well, a
> mixin. So you can just mix it in to your view class:
>
> class ItemDetailView(MySingleObjectMixin, DetailView):
>
> and according to Python's rules of inheritance, it will find your
> get_object method in place of the original one.
> --
> DR.
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