The .get() method retrieves values from a dict -- you cannot use it for assignments.
Anthony On Wednesday, February 20, 2013 9:10:26 AM UTC-5, 黄祥 wrote: > > a, i understand right now, thank you for detail explaination, anthony. > after now that, i still have a question > > def order_update(): > id=int(request.vars.id) > qty=int(request.vars.qty) > session.order.get(id, 0)=qty > session.order[id]=session.order.get(id, 0) > return locals() > > why in session.order.get(id, 0)=qty is not going to work, it returns an > error, therefore, in pos online store something like that can work? > in pos online store appliances : > session.order[id]=session.order.get(id, 0)+1 > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
