<p>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out-of-date state. </p>

<p>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. </p>

<p>Any thoughts, even general pointers into the django codebase? </p>

<p>Thanks!</p>

I'm by no means a Django expert, so this answer might misguide you.
Start looking somewhere around
```
django.contrib.admin.options.ModelAdmin
```
, especially
```
render_change_form
```
and
```
response_change
```
. I guess you would need to subclass ModelAdmin for your model and provide required behavior around those methods.