Hi
You should use {{ list | running_total }}
and the filter should look like this:
from django.template import Library
register = Library()
@register.filter
def running_total(role_total):
return sum( [d.get('total') for d in role_total] )
2011/3/11 sushanth Reddy <[email protected]>
> Hi ,
>
> I am trying to sum in HTML,but template tag return 0 ,
>
>
> View.py
>
> def gen_Report(request):
>
> ### query returns below output
> list=[{'total': 1744, 'user': u'x'}, {'total': 13, 'user': u'y'},
> {'total': 126, 'user': u'z'}, {'total': 46, 'user': u'm'}, {'total': 4,
> 'user': u'n'}, {'total': 8, 'user': u'o'}, {'total': 3, 'user': u'p'}]
>
> return render_to_response('user.html', locals(),
> context_instance = RequestContext(request))
>
> Template :
>
> user.html
>
> {% load temptags %}
>
> <table id="myTable" class="tablesorter">
> <thead>
> <tr>
>
> <th>S.No</th>
> <th>role</th>
> <th>Count</th>
>
> </tr>
> </thead>
> {% for fetch in list %}
>
> <tr>
> <td>{{forloop.counter}}</td>
> <td>{{fetch.user}}</td>
> <td>{{fetch.total}}</td>
>
>
>
> {% endfor %}
> <td>{{ list.total|running_total}}</td>
> <tr>
>
> </table>
>
> Template tag:
>
>
> from django.template import Library
> register = Library()
> @register.filter
> def running_total(role_total):
> return sum(d.get('list_sum') for d in list_total)
>
>
>
> output :
>
> S.No user Count
> 1 x 1744
> 2 y 13
> 3 z 126
> 4 m 46
> 5 n 4
> 6 o 8
> Sum------------------> 0 (it returns zero)
>
> I am doing anything wrong here ?
>
> can you please help me,how to return sum total using template tag here ?
>
>
>
>
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