给Python的Django框架下搭建的BLOG添加RSS功能的教程

# -*- coding: utf-8 -*-from django.conf import settingsfrom django.contrib.syndication.views import Feedfrom django.utils.feedgenerator import Rss201rev2Feed from blog.models import Articlefrom .constants import SYNC_STATUS  class ExtendedRSSFeed(Rss201rev2Feed): mime_type = 'application/xml' """ Create a type of RSS feed that has content:encoded elements. """ def root_attributes(self):  attrs = super(ExtendedRSSFeed, self).root_attributes()  attrs['xmlns:content'] = 'http://purl.org/rss/1.0/modules/content/'  return attrs  def add_item_elements(self, handler, item):  super(ExtendedRSSFeed, self).add_item_elements(handler, item)  handler.addQuickElement(u'content:encoded', item['content_encoded'])  class LatestArticleFeed(Feed): feed_type = ExtendedRSSFeed  title = settings.WEBSITE_NAME link = settings.WEBSITE_URL author = settings.WEBSITE_NAME description = settings.WEBSITE_DESC + u"关注python、django、vim、linux、web开发和互联网"  def items(self):  return Article.objects.filter(hided=False, published=True, sync_status=SYNC_STATUS.SYNCED).order_by('-publish_date')[:10]  def item_extra_kwargs(self, item):  return {'content_encoded': self.item_content_encoded(item)}  def item_title(self, item):  return item.title  # item_link is only needed if NewsItem has no get_absolute_url method. def item_link(self, item):  return '/article/%s/' % item.slug  def item_description(self, item):  return item.description  def item_author_name(self, item):  return item.creator.get_full_name()  def item_pubdate(self, item):  return item.publish_date  def item_content_encoded(self, item):  return item.content

from django import VERSION if VERSION[0: 2] > (1, 3): from django.conf.urls import patterns, include, urlelse: from django.conf.urls.defaults import patterns, include, urlfrom .feeds import LatestArticleFeed  urlpatterns = patterns( '', url(r'^feed/$', LatestArticleFeed()),)