# models.py

def get_absolute_urk(self):
    return "/weblog/%s/%s/" % (self.pub_date.strftime("%Y/%b/%d").lower(), self.slug)

# entries_index.html

<p><a href="{{get_absolute_url}}"> {{get_absolute_url}} </a></p>
<hr/>

# manage.py shell

AttributeError: 'Entry' object has no attribute 'get_absolute_url'