contador de votos totales

votos.py

# polls/templatetags/poll_extras.py

from django import template
from polls.models import Choice, Poll

register = template.Library()

@register.filter(name='total_votes')
def total_votes(poll):
	total = 0 # contador
	choices = Choice.objects.filter(poll=poll)
	for choice in choices:
		total+=choice.votes # vamos sumando los votos
	return total


# polls/templates/results.html
{% load poll_extras %}

<h1>{{ poll.question }}</h1>

<h2>Votos totales: {{ poll|total_votes }}</h2>

<ul>
{% for choice in poll.choice_set.all %}
    <li>{{ choice.choice_text }} -- {{ choice.votes }} vote{{ choice.votes|pluralize }}</li>
{% endfor %}
</ul>