change podcast feed to use contrib.syndication

panikweb/views.py

 from datetime import datetime, timedelta
-import time
 import math
+import os
+import stat
+import time
 
 from django.views.decorators.cache import cache_control
 from django.views.generic.base import TemplateView
@@ -542,18 +544,40 @@ class NewsItemDetailView(DetailView):
 newsitem = NewsItemDetailView.as_view()
 
 
-class PodcastsFeedView(TemplateView):
-    template_name = 'podcasts.html'
-    content_type = 'application/rss+xml'
+class PodcastsFeed(Feed):
+    title = 'Radio Panik - Podcasts'
+    link = '/'
+    description_template = 'feed/soundfile.html'
 
-    def get_context_data(self, **kwargs):
-        context = super(PodcastsFeedView, self).get_context_data(**kwargs)
-        context['base_url'] = self.request.build_absolute_uri('/')[:-1]
-        context['soundfiles'] = SoundFile.objects.select_related().filter(
-                podcastable=True).order_by('-creation_timestamp')
-        return context
+    def items(self):
+        return SoundFile.objects.select_related().filter(
+                podcastable=True).order_by('-creation_timestamp')[:5]
+
+    def item_title(self, item):
+        if item.fragment:
+            return '%s - %s' % (item.title, item.episode.title)
+        return item.episode.title
 
-podcasts_feed = PodcastsFeedView.as_view()
+    def item_link(self, item):
+        return item.episode.get_absolute_url()
+
+    def item_enclosure_url(self, item):
+        return item.get_format_url('mp3')
+
+    def item_enclosure_length(self, item):
+        sound_path = item.get_format_path('mp3')
+        try:
+            return os.stat(sound_path)[stat.ST_SIZE]
+        except OSError:
+            return 0
+
+    def item_enclosure_mimetype(self, item):
+        return 'audio/mpeg'
+
+    def item_pubdate(self, item):
+        return item.creation_timestamp
+
+podcasts_feed = PodcastsFeed()
 
 
 class FiberPageView(fiber.views.FiberTemplateView):
@@ -567,7 +591,7 @@ fiber_page = FiberPageView.as_view()
 class RssNewsFeed(Feed):
     title = 'Radio Panik'
     link = '/news/'
-    description_template = 'news/feed.html'
+    description_template = 'feed/newsitem.html'
 
     def items(self):
         return NewsItem.objects.order_by('-date')[:10]
@@ -577,5 +601,4 @@ rss_news_feed = RssNewsFeed()
 class AtomNewsFeed(RssNewsFeed):
     feed_type = Atom1Feed
 
-
 atom_news_feed = AtomNewsFeed()

panikweb_templates/templates/feed/soundfile.html

+{% load thumbnails %}
+{% if obj.episode.image %}
+<img src="{{ obj.episode.image|thumbnail:'320x240' }}"/>
+{% endif %}
+
+{{ obj.episode.text }}

panikweb_templates/templates/podcasts.html

-{% load paniktags %}{% load soundfiles %}<?xml version="1.0" encoding="UTF-8"?>
-<rss version="2.0"
-  xmlns:dc="http://purl.org/dc/elements/1.1/"
-  xmlns:content="http://purl.org/rss/1.0/modules/content/"
-  xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
-<channel>
-    <title>Radio Panik{% if title %} - {{ title }}{% endif %}</title>
-    <link>{{ base_url }}</link>
-    <description></description>
-    <lastBuildDate>{{ soundfiles.0.creation_timestamp|rfc822 }}</lastBuildDate>
-
-    {% for soundfile in soundfiles|slice:":20" %}<item>
-        <title>{% if soundfile.fragment %}{{ soundfile.title }} - {% endif %}{{ soundfile.episode.title }}</title>
-        <link>{{ base_url }}{% url 'episode-view' slug=soundfile.episode.slug emission_slug=soundfile.episode.emission.slug %}</link>
-        <description>{{ soundfile.episode.text|striptags }}</description>
-        <enclosure url="{{ base_url }}{{ soundfile|format_url:'mp3' }}" length="{{ soundfile|format_length:'mp3' }}" type="audio/mpeg"/>
-        <guid>{{ base_url }}{{ soundfile.episode.get_absolute_url }}#{{ soundfile.id }}</guid>
-        <pubDate>{{ soundfile.episode.creation_timestamp|rfc822 }}</pubDate>
-    </item>
-    {% endfor %}
-</channel>
-</rss>