try firstof??
{% firstof var1 var2 var3 %}
This is equivalent to:

{% if var1 %}
    {{ var1 }}
{% else %}{% if var2 %}
    {{ var2 }}
{% else %}{% if var3 %}
    {{ var3 }}
{% endif %}{% endif %}{% endif %}

On Oct 16, 9:49 am, "pjrhar...@gmail.com" <pjrhar...@gmail.com> wrote:
> I have some template code which looks something like this:
> {% if condition %}
> {% get_latest parameter1 %} - foo
> {% else %}
> {% get_latest parameter2 %} - bar
> {% endif %}
>
> get_latest is a custom template tag, and I noticed that in my
> debugging output it is being run both times - ie with parameter1 and
> parameter2. Since it hits the database I'd rather not have it do
> this.
>
> On the other hand only foo or bar appears in the rendered page. I
> guess the template system renders all the tags, then discards
> whichever branch does not apply.
>
> So the question is, can I avoid this? Or should I just change my
> template tag so I can call it with:
> {% get_latest condition parameter1 parameter2 %}
>
> Thanks,
>
> Pete
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