>From the template language reference:
<
https://docs.djangoproject.com/en/1.9/ref/templates/language/#accessing-method-calls
>
"""
Because Django intentionally limits the amount of logic processing
available in the template language, it is not possible to pass arguments to
method calls accessed from within templates. Data should be calculated in
views, then passed to templates for display.
"""
If you want to do something like this then you're better switching to a
more complete template language, like Jinja2. But I'd also suggest you
prepare your querysets entirely before passing them to templates.
Also, for Date/DateTime/Time fields you should use the lookups provided. Do
this instead: .filter(dateregister__year=2016)
On Wed, Jun 1, 2016 at 11:30 AM, Franck <wasc...@gmail.com> wrote:
> Hello,
>
> First Django project... sorry ;-)
>
> I can run that in manage.py shell, result is ok.
> * Test.objects.filter(dateregister__contains='2016').count()*
>
> But how I can show this result in the template ?
> {{ test.count }} works directly in the template without modify views.py, I
> tried with
> *{{ test.filter(dateregister__contains='2016').count()** }} but no
> result...*
>
>
> *Models.py*
>
> from __future__ import unicode_literals
> from django.db import models
> from django.utils import timezone
>
> class Test(models.Model):
> name = models.CharField(max_length=10, editable=False)
> dateregister = models.DateTimeField(auto_now=False, auto_now_add=False
> , null=True, blank=True, editable=False)
> def __str__(self): # __unicode__ on Python 2
> return self.name
>
>
> *Views.py*
> from .models import Test
> from datetime import datetime
> from django.shortcuts import render, get_object_or_404
>
> def test(request):
> test = Test.objects.order_by('name')
> return render(request, 'test/test.html', {'test': test})
>
> Thanks for your help !
>
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