oops! missing the filter_string arg in __init__. After I added that,
I get:
ValueError .....too many values to unpack
On May 11, 4:27 pm, adrian <adrian...@gmail.com> wrote:
> I tried in the view:
>
> filter_string = "delivery_time__lte=time_avail_hours,
> abbrev__contains='SC'"
> formShip = ShippingMethodForm(filter_string)
>
> Then the form def is:
>
> class ShippingMethodForm(forms.Form):
> # tricky thing done here to change queryset based on ticket date
> and destination
> ship_method = forms.ModelChoiceField
> (queryset=ShippingMethod.objects.none())
> def __init__(self, *args, **kwargs):
> super(ShippingMethodForm, self).__init__(*args, **kwargs)
> self.fields["ship_method"].queryset =
> ShippingMethod.objects.filter(filter_string)
>
> Doesn't work, I get NameError ....global name 'filter_string' is not
> defined
>
> Also this is the GET portion of the view, so putting request.POST in
> there is not appropriate.
>
> On May 11, 4:10 pm, google torp <toppe...@gmail.com> wrote:
>
> > This should fix it.
>
> > def __init__(self, something, *args, **kwargs):
> > super(ShippingMethodForm, self).__init__(*args, **kwargs)
> > self.fields["ship_method"].queryset =
> > ShippingMethod.objects.filter(something)
>
> > when you initiate the form, you do it like this:
> > form = ShippingMethodForm(something, request.POST)
>
> > ~Jakob
>
> > On 11 Maj, 22:48, adrian <adrian...@gmail.com> wrote:
>
> > > I want to create a form with a select box populated from a query that
> > > I pass from the view.
>
> > > For example:
>
> > > if country == 'Canada':
> > > methods = ShippingMethod.objects.filter(
> > > delivery_time__lte=time_avail_hours,
> > > abbrev__contains='SC'
> > > )
> > > else:
> > > methods = ShippingMethod.objects.filter(
> > > delivery_time__lte=time_avail_hours,
> > > abbrev__contains='SU'
> > > )
>
> > > formShip = ShippingMethodForm(initial={
> > > 'queryset': methods,
> > > })
>
> > > My Form is defined as:
>
> > > class ShippingMethodForm(forms.Form):
> > > ship_method = forms.ModelChoiceField
> > > (queryset=ShippingMethod.objects.none())
> > > def __init__(self, *args, **kwargs):
> > > super(ShippingMethodForm, self).__init__(*args, **kwargs)
> > > self.fields["ship_method"].queryset =
> > > ShippingMethod.objects.filter(something)
>
> > > However the queryset I define in the view is not being used by
> > > ShippingMethodForm, without the __init__ method shown. I don't know
> > > how to pass the "initial" argument to the init method. What is the
> > > correct way to do this?
>
> > > Thanks
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