toastdriven/django-tastypie — pull request #464 by jorgeecardona (2012-04-29 02:31:01+00:00)
Title: Add parameter purpose to is_valid method.

Hi,

I just want to be able to have a diferent validation on create and update, with this purpose flag is easy to have backward compatibility and we're able to check in different ways when we want to create or just update an object.

Bye.