I'm steadily working through the excellent custom template tag
tutorial:-
http://www.b-list.org/weblog/2006/06/07/django-tips-write-better-template-tags
I've got the following code to create a template tag. However, I'm
unclear as to what
I need to put into my actual template.
The author states, that based on the code below, I would need to add
{% get_latest_polls 3 %} to the template, where 3 is a variable.
However, while this not not create any errors, it is also not returning
the latest 3 Polls. What else do I need to add?
MerMer
from django import template
from mysite.polls.models import Poll, Choice
class LatestPollsNode(template.Node):
def __init__(self,num):
self.num = num
def render(self, context):
context['polls'] = Poll.objects.all()[:self.num]
return ''
def get_latest_polls(parser, token):
bits = token.contents.split()
if len(bits) !=2:
raise TemplateSyntaxError, "get latest_latest_polls tag take
exactly one arguement"
return LatestPollsNode(bits[1])
get_latest_polls = register.tag(get_latest_polls)
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