On Wed, Mar 3, 2010 at 7:52 AM, harryos <oswald.ha...@gmail.com> wrote:
>
> hi
> I am passing a dictionary to the template
> say,
> objects_status={obj1:True, obj2:False, obj3:True }
>
> In the template I want to show something like
>
> {%if not len(objects.status ) %} # just to clarify the purpose..I
> know len will not work
> No objects to show
>
> {% else %}
> Objects are:
> .....show the objects and truth values in a table ....
>
> {%endif %}
>
>
> But how can I check the size of the dictionary? If it was a Queryset I
> could have used qset.count ..but here it would not work.
> Can somebody help?
>
> thanks
> harry
>
For this specific example, you could use the for .. empty[1] template
tag, and look at objects.items(), eg:
{% for obj, status in objects_status.items %}
{{ obj }}
{% empty %}
No objects
{% endfor %}
If you actually wanted to access the size of the dictionary, you
should use the length[2] template filter, eg:
There are {{ objects_status.items|length }} object(s).
Cheers
Tom
[1] http://docs.djangoproject.com/en/1.1/ref/templates/builtins/#for-empty
[2] http://docs.djangoproject.com/en/1.1/ref/templates/builtins/#length
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