quick_url – simple django filter to generate a url for a model instance

This simple filter uses a model instance’s get_absolute_url method and its string representation to make a url

{{ object|quick_url }}
<a href=”/object/absolute/url”>Object String Representation</a>

Also posted on djangosnippets: http://www.djangosnippets.org/snippets/730/

from django import template
from django.utils.html import conditional_escape
from django.utils.safestring import mark_safe
register = template.Library()

def quick_url(addressable_object, autoescape=None):
    '''filter to provide a url for a model instance'''
    if not hasattr(addressable_object, 'get_absolute_url'):
        return addressable_object
    if autoescape:
        esc = conditional_escape
    else:
        esc = lambda x: x
    result = '%s' % (esc(addressable_object.get_absolute_url()), esc(addressable_object))
    return mark_safe(result)
quick_url.needs_autoescape = True
register.filter(quick_url)