On Tue, 2007-05-01 at 06:53 +0000, Bryan Veloso wrote:
> > In fact, that whole thread possibly has some relevance to your problem.
> > Note that the solution in the particular post I've highlighted works on
> > Python 2.3 and up, but if you are using 2.4 or later, Ned Batchelder's
> > post is of more than trivial relevance.
>
> So, (with my very limited python knowledge) I could essentially do
> this?
>
> object_list = Entry.objects.all().order_by('-pub_date')
> object_list += Videocast.objects.all().order_by('-pub_date')
> object_list += Tutorial.objects.all().order_by('-pub_date')
> object_list.sort(key=lambda w: w.headline)
You would need to wrap a list() call around the first item in this
sequence so that object_list is actually a list and not a queryset.
> And then pass object_list in the generic view?
Sort of. You can only pass it in as part of extra_context. You cannot
pass it as the queryset argument, because it's no longer a queryset and
the generic views actually use some queryset-specific methods on that
argument.
There is an open ticket in Trac (#3891) that proposes allowing Python
sequences in the queryset argument and that might go in one day, but
it's not there yet. [The reason that ticket isn't a no-brainer is
because we use "generic" to mean "simple, no-frills", rather than
"supports every use-case known to mankind via customisation options" and
we are trying to keep control of creeping featurism in that respect. So
it's not just lack of ability to commit that hasn't led to that going
in. There is some genuine thinking about it that we are doing.]
Regards,
Malcolm
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