demos/appengine/templates/feed.xml

<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
  {% set date_format = "%Y-%m-%dT%H:%M:%SZ" %}
  <title>{{ escape(handler.settings["blog_title"]) }}</title>
  {% if len(entries) > 0 %}
    <updated>{{ max(e.updated for e in entries).strftime(date_format) }}</updated>
  {% else %}
    <updated>{{ datetime.datetime.utcnow().strftime(date_format) }}</updated>
  {% end %}
  <id>http://{{ request.host }}/</id>
  <link rel="alternate" href="http://{{ request.host }}/" title="{{ escape(handler.settings["blog_title"]) }}" type="text/html"/>
  <link rel="self" href="{{ request.full_url() }}" title="{{ escape(handler.settings["blog_title"]) }}" type="application/atom+xml"/>
  <author><name>{{ escape(handler.settings["blog_title"]) }}</name></author>
  {% for entry in entries %}
    <entry>
      <id>http://{{ request.host }}/entry/{{ entry.slug }}</id>
      <title type="text">{{ escape(entry.title) }}</title>
      <link href="http://{{ request.host }}/entry/{{ entry.slug }}" rel="alternate" type="text/html"/>
      <updated>{{ entry.updated.strftime(date_format) }}</updated>
      <published>{{ entry.published.strftime(date_format) }}</published>
      <content type="xhtml" xml:base="http://{{ request.host }}/">
        <div xmlns="http://www.w3.org/1999/xhtml">{{ entry.html }}</div>
      </content>
    </entry>
  {% end %}
</feed>