Is there a way to pass an object to the template and have the template
handle all of the attributes without hardcoding them into the
template?
On Jul 3, 10:04 am, Rajesh D <rajesh.dha...@gmail.com> wrote:
> On Jul 3, 9:17 am, Nikola Pavlović <n...@datasnok.org> wrote:
>
>
>
>
>
> > Hello people,
>
> > I'm writing my first Django application and would like to know what is
> > considered more efficient: getting values of models' attributes in views
> > or directly in templates?
>
> > More precicely, say we have a Person model with name and id attributes,
> > and these need to be shown on a page.
>
> > Is it better for a view to "prepare" a context like this:
>
> > # views.py
> > # ...
>
> > persons = []
>
> > for person in Person.objects.all():
> > persons.append({'id': person.id, 'name': person.name})
>
> > return render_to_response('some_template.html', persons)
>
> > # some_template.html
>
> > {% for p in persons %}
> > Id: {{ p.id }}; Name: {{ p.name }}
> > {% endfor %}
>
> > or just pass a QuerySet in a context like this:
> > # views.py
> > # ...
>
> > persons = Person.objects.all()
> > return render_to_response('some_template.html', persons)
>
> > and then let the template access attribute values directly?
>
> > Does it make a difference in terms of performance?
>
> The second method avoids an extra loop and also keeps your code leaner
> (less code == lesser chances of bugs). It's also the more commonly
> used method. And if you are displaying just a handful of persons per
> page, the performance differences should be negligible either way. If
> you have a lot of persons in that query set, you will want to use some
> kind of pagination anyway.
>
> -RD
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