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 <[email protected]> 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 <[email protected]> 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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