On Fri, 2006-05-05 at 12:16 +0200, [EMAIL PROTECTED] wrote:
> > {% for data in mydict.items %}
> > key: {{ data.0 }}
> > value: {{ data.1 }}
> > {% endfor %}
>
> Thanks for you answer ... but I still have a problem : how to do a real
> dictionnary lookup.
>
> Here is an example of what I'm trying to do :
>
> parent = {4 : 'parent1', 5 : 'parent2' }
> childs = { 4 : ['child1', child2], 5 : ['child3', 'child4'] }
>
> {% for data in parent.items %}
> key: {{ data.0 }}
> value: {{ data.1 }}
> <!-- how can I get the child corresponding : childs[key] ? -->
> {% endfor %}
Ah, now I see what you are trying do. You can't do this sort of thing
(indirectly using one variables value as a parameter to another). This
is intentional in Django in order to keep anything like "programming"
out of the templates and in your view function. If you need to combine
the "parent" and "child" dictionaries in some fashion, that munging
should occur in the Python code in your view.
Now, at this point, you are either thinking "that's insane" or "that
isn't an unreasonable thing to do to stop people going overboard in
templates". I happen to be in the latter camp (having worked with
languages that are more like PHP in the power they let you put in the
template and the maintenance hassle that results). But others are very
much in the former camp and that point of view has some validity, too.
If you really want to do this in a template, you could write a custom
template tag for it, or have a look at some existing custom tags
(limodou often posts custom tags to this list, and also have a look at
http://code.djangoproject.com/wiki/CookBookTemplateTags , in particular,
the CallTag).
Regards,
Malcolm
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