On Wed, Feb 25, 2009 at 1:03 PM, Peter Bengtsson <pete...@gmail.com> wrote:
>
> This works:
>
> >>> from django.db.models import Q
> >>> qset = Q(author__iexact=u"Foo") | Q(author__iexact=u"Bar")
> >>> Books.objects.filter(qset)
>
> But what if the list of things I want to search against is a list.
> E.g.
>
> >>> possible_authors = [u"Foo", u"Bar"]
>
> ???
>
>
> I have a solution but it's very ugly and feels "clunky":
>
> qset = None
> for each in [u"Foo", u"Bar"]:
> if qset is None:
> qset = Q(author__iexact=each)
> else:
> qset = qset | Q(author__iexact=each)
>
>
> >
>
You can clean it up slightly, but that strategy is basically what you want
to do:
qset = Q()
for term in ['foo', 'bar']:
qset |= Q(author__iexact=term)
alternatively if you're a funcitonal kind of guy:
import operator
qset=reduce(operator.or_, [Q(author__iexact=term) for term in ['foo',
'bar']])
Alex
--
"I disapprove of what you say, but I will defend to the death your right to
say it." --Voltaire
"The people's good is the highest law."--Cicero
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