django transactions

example.py

from django.db import transaction

def manual_rollback():
     """Create and rollback using manual transaction calls"""
     transaction.enter_transaction_management()
     transaction.managed()
     try:
         try:
             create()
             error()
         except:
             transaction.rollback()
         else:
             transaction.commit()
     finally:
         transaction.leave_transaction_management()