> I am working on a search form that has a SelectMultiple widget. What
> would be the best way to make a complex lookup with the SelectMultiple
> widget?
try this:
....
try:
district_ids = [int(x) for x in request.GET.getlist('district')]
if len(district_ids) == 0:
district_ids = [-1, ]
except KeyError, ValueError:
district_ids = [-1,]
...
if -1 not in district_ids:
# search by district
return MyModel.objects.filter(district__in = district_ids)
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