I'm not sure about this particular instance, but Templates are iterators I think so you might be able to come up with somthing if you hack around with the internals. Sorry I can't be more specific, but I don't have access to my normal environment at the moment! Ben
On 04/11/2007, Karen Tracey <[EMAIL PROTECTED]> wrote: > > On 11/4/07, Carl Karsten <[EMAIL PROTECTED]> wrote: > > > > A view has a loop - each iteration may take 3 seconds, and it will loop > > 20+ > > times, so 1 min of processing. > > > > Is there some way to dump stuff to the browser page each loop? > > > No. The only way to send stuff to a browser is to respond to an HTTP > request, so if you want the browser to see regular status updates you'll > have to set it up so that the browser makes periodic requests for status. > I've never used this technique but here's a page describing a way to do it > (along with pros and cons and questioning of do you really want to do this): > > > http://webtips.dan.info/refresh.html > > Note that if you do this, the time-consuming processing you currently have > in your view will have to be moved elsewhere, because the browser sees > nothing until your view returns an HttpResponse. Your view will have to > kick off this other processing in a separate thread or process, and then > return a response describing status. When subsequent status requests come > in, they will have to somehow be able to find out how far along the process > is...you'll have to work out how to do that, whether by storing status in > the database or a file or something. > > Actually even if you don't do the refresh thing, I think it would make > sense to move that long-running code out of the view and provide for > responding to queries on status. A page that takes a minute to load is > going to seem broken, even if users know it is supposed to take a long > time. In the year since they last ran it they're going to have forgotten > how long it takes, and despite any warnings to "Click DOIT only once!" > they're going to go back and click DOIT again.... > > Karen > > > > -- Regards, Ben Ford [EMAIL PROTECTED] +6281317958862 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
