Django transaction.commit_manually mask uncaught exception

Update 2012-08-27
I've created a wrapper to the decorator that catch, rollback transaction and reraise the exception:-
http://tech.marimore.co.jp/2012/08/django-transactioncommit_manually-wrapper.html

This has happened number of times for me. There's a 3 year old ticket on this actually but since I want to be quick and no time yet to look into the ticket, the solution is to wrap all my function with a decorator that can catch the exception and exit immediately.

I'm doing this in a batch script so what I want is either the script succeed or fail immediately, showing the error. YMMV.

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