Building an RSS feed for Django

from django.contrib.syndication.views import Feed
from django.utils.feedgenerator import Rss201rev2Feed
from django.core.urlresolvers import reverse
from .models import Post

class CorrectMimeTypeFeed(Rss201rev2Feed):
    mime_type = 'application/xml'
    
class LatestPosts(Feed):
    feed_type = CorrectMimeTypeFeed
    
    title = "Feed Blog Posts"
    link = "/feed/"
    description = "Latest Feed Blog Posts"

    def author_name(self):
        return "Summon Agus"
        
    def items(self):
        return Post.objects.published()[:10]

    def item_title(self, item):
        return item.title

    def item_description(self, item):
        return item.detail

    def item_author_name(self, item):
        return item.author.username
        
    def item_link(self, item):
        return reverse('detail_blog_post_page', args=[item.slug])
    
    def item_pubdate(self, item):
        return item.modified