podcast feed

feed.html

<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:atom="http://www.w3.org/2005/Atom">

<channel>
    {% if podcast.new_feed_url %}<itunes:new-feed-url>{{ podcast.new_feed_url }}</itunes:new-feed-url>{% endif %}
    <atom:link href="http://{{ request.get_host }}{{ podcast.get_absolute_url }}rss/" rel="self" type="application/rss+xml" />
    <title><![CDATA[{{ podcast.title|striptags|fix_ampersands }}]]></title>
    <link>http://{{ request.get_host }}{{ podcast.get_absolute_url }}</link>
    <description><![CDATA[{{ podcast.description|striptags|fix_ampersands }}]]></description>
    <language>zh-TW</language>
    <lastBuildDate>{{ last_build_date|date:"r" }}</lastBuildDate>
    <itunes:author><![CDATA[{{ podcast.user.profile.nickname }}]]></itunes:author>
    <itunes:owner>
        <itunes:name>{{ podcast.user.username }}</itunes:name>
        <itunes:email>{{ podcast.user.email }} ({{ podcast.user.profile.nickname }})</itunes:email>
    </itunes:owner>
    <itunes:subtitle><![CDATA[{{ podcast.subtitle|striptags|fix_ampersands }}]]></itunes:subtitle>
    <itunes:summary><![CDATA[{{ podcast.description|striptags|fix_ampersands }}]]></itunes:summary>
    {% if podcast.cover %}<itunes:image href="{{ podcast.get_cover_url }}" />{% endif %}

    {% if podcast.category %}<itunes:category text="{{ podcast.get_category_display }}" />{% endif %}
    <itunes:explicit>{{ podcast.get_explicit_display|lower|default:"no" }}</itunes:explicit>
    
    {% for episode in episodes %}
    <item>
        <title><![CDATA[{{ episode.title|striptags|fix_ampersands }}]]></title>
        <link>http://{{ request.get_host }}{{ episode.get_absolute_url }}</link>
        <description><![CDATA[{{ episode.description|striptags|fix_ampersands }}]]></description>
        <author>{{ podcast.user.email }} ({{ podcast.user.email }})</author>
        <enclosure url="http://{{ request.get_host }}{{ episode.get_file_url }}" length="{{ episode.size }}" type="audio/mpeg" />
        <guid isPermaLink="true">http://myaudiocast.com{{ episode.get_absolute_url }}</guid>
        <pubDate>{{ episode.created_at|date:"r" }}</pubDate>
        <itunes:author>{{ podcast.user.username }}</itunes:author>
        {% if episode.subtitle %}<itunes:subtitle>{{ episode.subtitle }}</itunes:subtitle>{% endif %}
        <itunes:summary><![CDATA[{{ episode.description|striptags }} 
            Listen this on MyAudioCast: http://{{ request.get_host }}{{ episode.get_absolute_url }}]]></itunes:summary>
        {% if episode.tags %}<itunes:keywords>{{ episode.tags.all|join:"," }}</itunes:keywords>{% endif %}
        <itunes:explicit>{{ episode.get_explicit_display|lower|default:"no" }}</itunes:explicit>
        {% if episode.block %}<itunes:block>yes</itunes:block>{% endif %}
    </item>
    {% endfor %}
    
</channel>
</rss>

feed.py

def podcast_feed(request, slug):
    podcast = get_object_or_404(Podcast, slug=slug)

    episodes = Episode.objects.filter(podcast=podcast, enable=True)

    translation.activate('en')
    output = render_to_string('rss.html', {
        'podcast': podcast,
        'episodes': episodes,
        'last_build_date': podcast.last_modified
    }, context_instance=RequestContext(request))
    translation.deactivate()

    response = HttpResponse(output)
    response['Content-Type'] = 'application/rss+xml'
    return response