successful in fixing it, I'll be back on tomorrow asking some more
questions. Thanks again for the help and suggestions.
On Mar 31, 9:12 pm, Sam Walters <mr.sam...@gmail.com> wrote:
> Yes, Id really need to see some code to work it out.
>
> A bit hard to work out wether you're returning the request.POST.copy()
> and wether this is instantiated in a new form instance and returned.
> Eg: if form validation fails.
> Or wether you are having trouble redisplaying the original
> request.POST data in a new form or one thats failed evaluation?
>
> Once again would need to see the some code.
>
> >> I actually call sub views from the main view which processes this
> >> screen, display the data as shown above as well as capture the changes
> >> to the request.POST dictionary like this:
>
> >> title = request.POST['title']
>
> Hmm, dont forget:http://en.wikipedia.org/wiki/Pass_by_reference
>
> Here is some of my basic code... eg: adding a new param 'IP address'
> to request.POST form data for evaluation. This might help.
>
> def contact(request):
> from hvv.contact.forms import ContactEmailForm
> #form validation: Note: ip address is not form data, is validated
> as form and added to formdata by 'getIpAddr()'
> if request.is_ajax() and request.POST:
> #Note: copy() makes QueryDict Mutable
> data = QueryDict(request.POST['form']).copy()
> data.update({'ipaddress': getIpAddr(request) })
> form = ContactEmailForm(data)
> if form.is_valid():
> n_email = form.cleaned_data['email']
> n_subject = form.cleaned_data['subject']
> n_message = form.cleaned_data['message']
> n_ipaddr = form.cleaned_data['ipaddress']
>
> saveInDb(n_email, n_subject, n_message, n_ipaddr)
> sendEmail(n_email, n_subject, n_message, n_ipaddr)
>
> return render_to_response('contact.html', {
> 'form':ContactEmailForm(), 'message':'Thankyou. Your message was
> sent!.' }, context_instance=RequestContext(request))
> else:
> return render_to_response('contact.html', { 'form':form },
> context_instance=RequestContext(request))
> form = ContactEmailForm()
> return render_to_response('contact.html', { 'form':form },
> context_instance=RequestContext(request))
>
> cheers
>
> sam_w
>
>
>
> On Fri, Apr 1, 2011 at 12:30 PM, hank23 <hversem...@stchas.edu> wrote:
> > Sorry the last example I gave maybe wrong. I think I'm actually
> > getting the data back out using the cleaned_data. I'm trying to do
> > this from memory, since this is a work problem and I've been
> > struggling with it since the middle of this afternoon and it's been
> > very frustrating.
>
> > On Mar 31, 8:24 pm, hank23 <hversem...@stchas.edu> wrote:
> >> Currently I have logic in place that makes a copy of request.POST so
> >> it can put data from a record using a key, gotten from the previous
> >> bunch of POSTed data, on the screen for display purposes. This all
> >> works fine. But when I go in and alter some of the data being
> >> displayed then the next time I submit the form the data that I just
> >> entered is not displaying in the request.POST dictionary when I look
> >> at it. So what am I apparently not doing right to cause the data to be
> >> lost? I display the data to the screen after making a copy of
> >> request.POST (request.POST.copy()) like this:
>
> >> request.POST['title'] = record.title
>
> >> I actually call sub views from the main view which processes this
> >> screen, display the data as shown above as well as capture the changes
> >> to the request.POST dictionary like this:
>
> >> title = request.POST['title']
>
> >> After trying to capture the data this way then I try to write it to
> >> the database, but nothing new is being saved, so that's why I'm
> >> wondering why no new data is being saved.
>
> >> On Mar 31, 8:07 pm, Sam Walters <mr.sam...@gmail.com> wrote:
>
> >> > Hi hank23
> >> > request.POST would be immutable.
>
> >> > "QueryDict instances are immutable, unless you create a copy() of
> >> > them. That means you can't change attributes of request.POST and
> >> > request.GET directly."
>
> >> >http://docs.djangoproject.com/en/dev/ref/request-response/
>
> >> > So I'm
>
> >> > > wondering if there is something else going on or if this problem is
> >> > > some kind of side effect of using request.POST.copy()?
>
> >> > I dont know what you mean by side-effect.
>
> >> > I copy/instantiate querydicts all the time never had any problems.
> >> > Dont forget if you can use python to clone objects :)
>
> >> > cheers
>
> >> > sam_W
>
> >> > On Fri, Apr 1, 2011 at 11:48 AM, hank23 <hversem...@stchas.edu> wrote:
> >> > > I need to know when I can or should use request.POST.copy() when
> >> > > processing screens, as opposed to when not to use it. I've used it
> >> > > some, on one screen in particular, which seems to work fine for
> >> > > displaying the data that I want to display, when I put the data on the
> >> > > screen programatically from within a view. However when I try to alter
> >> > > the data manually by keying it in from my keyboard, or selecting an
> >> > > option from a dropdown, nothing seems to show up changed the next time
> >> > > that submit the form to the view and look at the data posted. So I'm
> >> > > wondering if there is something else going on or if this problem is
> >> > > some kind of side effect of using request.POST.copy()?
>
> >> > > --
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