On Jun 24, 11:41 am, James Gregory <james....@gmail.com> wrote:
> On Jun 24, 11:15 am, "Daniele Procida" <dani...@apple-juice.co.uk>
> wrote:
>
>
>
> > I have a template in which I would like to do the following:
>
> > {% for item in loop %}
> > {% if [previous item].condition %}
> > <li>item.name</li>
> > {% endif %}
> > {% endfor %}
>
> > In other words, I want to do something with an item in the loop based on
> > whether the *previous* item has some condition set.
>
> > Is this possible?
>
> > Thanks,
>
> > Daniele
>
> Quite possibly someone else will give a better solution, but one
> solution would be to have this in views.py:
>
> class MyClass():
> condition = False
>
> def make_view_list(original_list):
> new_list = []
> for x in original_list:
> new_list.append(x)
> if len(new_list) > 1:
> new_list[-1].prev_condition = new_list[-2].condition
> else:
> new_list[-1].prev_condition = False
>
> return new_list
>
> def my_view(request):
> original_list = [MyClass(),MyClass()]MyClass(),MyClass()]
> view_list = make_view_list(original_list)
> return render_to_response('index.html', {'list':view_list})
>
> James
Actually I imagine "new_list = list(original_list)" would be more
efficient than doing new_list.append(x) in a loop.
James
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