id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
14452	Need help understanding why the below is happening.	danols@…	nobody	"I've attempted to get help in the #django IRC but with no luck. I hope you can assist.

{{{
""""""
How is this possible ??? 

Every time I refresh the page more 'same' choices get added to the fields choice options. That is:

First time I will get:
a
b

Second refresh
a
b
a
b

and so on.... ??? I don't get how this is happening. 
""""""

### in view 
    form = AdForm(instance=ad)
    AdTargetFormSet = modelformset_factory(AdTarget, form=AdTargetForm, can_delete=True)
    AdTargetFormSet.form = staticmethod(curry(AdTargetForm, objects=[Competition.objects.all()]))
    adtarget_formset = AdTargetFormSet(queryset=AdTarget.objects.filter(ad=ad))
   
### my form
class AdTargetForm(ModelForm):
    '''
    Creates and AdTargetForm
    
    Takes an argument that is a list of objects
    to generate the url pattern - the object
    must have a valid get_absolute_url defined.
    
    for example AdTargetForm(objects=[Competition.objects.all(), Team.objects.all()]
    '''
    # create the ad tragets lists
    AD_TARGETS = [
              ('', '...'),
              ('.*', 'The Entire Site'),
              ('^/$', 'Home Landing Page'),
              ]
    
    def __init__(self, objects=None, *args, **kwargs):
        super(AdTargetForm, self).__init__(*args, **kwargs)
        
        if (objects):
            for object_list in objects:
                # @TODO: add the object landing page
                for obj in object_list:
                    self.AD_TARGETS.append(('^%s$' % obj.get_absolute_url(), str(obj)))
            self.fields['url_pattern'].choices = self.AD_TARGETS

    url_pattern = forms.ChoiceField(label='Target', choices = AD_TARGETS)
    class Meta:
        model = AdTarget
        fields = () # show these fields from model
        exclude = ('ad') # exclude these fields from model
}}}
"		closed	Forms	1.2		invalid			Unreviewed	0	0	0	0	0	0