from django.contrib.sitemaps import Sitemap
from .models import Post

class PostSitemap(Sitemap):
    changefreq = 'weekly'
    priority = 0.9

    def items(self):
        return Post.published.all()

    def lastmod(self, obj):
        return obj.publish

from django.contrib.syndication.views import Feed
from django.template.defaultfilters import truncatewords
from .models import Post

class LatestPostFeed(Feed):
    title = 'My blog'
    link = '/blog/'
    description = 'New posts of my blog.'

    def items(self):
        return Post.published.all()[:5]

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

    def item_description(self, item):
        return truncatewords(item.body, 30)

url(r'^sitemap\.xml', sitemap, {'sitemaps': sitemaps}, name='django.contrib.sitemaps.views.sitemap'),

url(r'^feed/$', LatestPostFeed(), name='post_feed'),