Re: Invalid values in a form cause validation to fail

On Tue, Mar 29, 2011 at 4:40 PM, ALJ <astley.lejasper@gmail.com> wrote:

I have a form within a view which allows users to filter results
within a database. The request is a GET because I want the users to be
able to bookmark the results.

My querystring looks something like:

http://127.0.0.1:8001/myapp/?organisation_name=&corporation=4&authorisation_status=

My view checks the form as it comes in (form.is_valid()) and bounces
them back if they have been messing about with the querystring. The
validation picks up errors if I do something like
"..&corporation=999999&...", but if I do something like
"...&corporation=wwww&...." it brings up a traceback

Exception Value:
invalid literal for int() with base 10: 'wwww'

I would have expected that the validation process would have picked up
that it isn't valid and just returned field error.

It does, in general. This form/view:

class TestForm(forms.Form):
    num = forms.IntegerField()

def testme(request):
    if request.GET:
        tf = TestForm(request.GET)
        if tf.is_valid():
            return http.HttpResponse("Worked!")
    else:
        tf = TestForm()
    return render_to_response('form.html', {'form': tf})

rendered with a method="get" form, causes re-display of the form with an error message "Enter a whole number." associated with the num field if the value www is entered in the num field (or simply retrieved by a ?num=www querystring).
 

How is what you are doing different from what is shown above? You have not shown any of your code nor the full traceback, so it is hard to guess what may be the cause of the behavior you are seeing.

Karen
--
http://tracey.org/kmt/

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