Brilliant. I actually looked at that page for some help with a
different form, but I guess I completely missed the part about the
init method. Thank you so much for your help.
Adam
On Sep 11, 12:04 am, "Karen Tracey" <[EMAIL PROTECTED]> wrote:
> On Thu, Sep 11, 2008 at 12:39 AM, adam <[EMAIL PROTECTED]> wrote:
>
> > Hi everyone,
>
> > So I have a problem here. I have a series of forms to allow someone
> > to create recipes, and I decided to build them with Django's form
> > objects. The issue is that newly saved data doesn't appear as an
> > option on another form that I bring in as part of a ChoiceField. An
> > example that I will provide relevant code for is someone fills out a
> > form to add a new IngredientType. They save and all is well (it goes
> > in the DB and everything). However, when I go to the Ingredient form
> > which has all IngredientTypes in a dropdown, the new type isn't listed
> > (although old ones are). The data doesn't appear until I restart my
> > development server.
>
> > Here's the relevant code:
>
> > From forms.py:
>
> > class IngredientForm(forms.Form):
> > title = forms.CharField(max_length=50,
> > widget=forms.TextInput(attrs=attrs_dict),
> > label=_(u'Ingredient Name'))
> > type = forms.ChoiceField(choices=chain([('',
> > 'Type')],IngredientType.objects.values_list('id', 'type')),
> > label=_(u'Ingredient Type'))
>
> [snip]
>
> You've set the choices for the type field in the declaration of the Form
> itself, this code only gets executed once when the containing file is
> loaded. You need to move the setting of choices to a place where it will be
> evaluated each time a new form instance is created, such as the form's
> __init__ method. For an example look here:
>
> http://www.pointy-stick.com/blog/2008/01/06/django-tip-complex-forms/
>
> (That covers more than you're looking for here, I think, but does include an
> example of how choices can be set in __init__)
>
> Karen
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