I want to emulate the delete confirmation page behavior before saving
certain models in the admin.  In my case if I change one object,
certain others should be deleted as they depend upon the object's now
out-of-date state.

I understand where to implement the actual cascaded updates (inside
the parent model's save method), but I don't see a quick way to ask
the user for confirmation (and then rollback if they decide not to
save). I suppose I could implement some weird confirmation logic
directly inside the save method (sort of a two phase save) but that
seems...ugly.

Any thoughts, even general pointers into the django codebase?

Thanks a lot,
Jacob

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