ObjectId to DateTime

gistfile1.py

#  start_date = DateTimeField(default=datetime.datetime.now)
#  http://api.mongodb.org/python/current/api/bson/objectid.html


        orders = Order.objects()
        for order in orders:
            print 'generation: ',order.id.generation_time
            print 'create: ',order.date
            # order.date = order.id.generation_time
            # order.save()