Rename get_formset -> get_formset_class

[jonashaag]

formset_class = self.get_formset()

That's a bit weird and inconsistent, it's called get_form_class in Django's views and I guess get_formset_class is more correct?

[sdolemelipone]

There's duplication of that method name due to the use of an intermediate factory method by Django. We first get a formset class from get_formset_class(), then pass that into formset_factory to get another formset class, then use that class in order to construct a formset instance.

We could rename it like this:

factory_class = self.get_factory_class() or factory_formset_class = self.get_factory_formset_class()

to indicate this is the formset class which comes back from the factory, with a deprecation warning on the old name. I'm not sure if the rename makes things any clearer though. What do you think?

[jonashaag]

Agreed, root of the naming problem is in Django, not something we should fix here.