atom.xml.jinja2

<?xml version="1.0" encoding="UTF-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" {% if feed.language is not none %} xml:lang="{{ feed.language }}"{% endif %}>
  {# Mandatory elements #}
  {% if feed.title is not none %}<title>{{ feed.title|e }}</title>{% endif %}
  {% if feed.html_url is not none %}<link href="{{ feed.html_url }}" rel="alternate" type="text/html"/>{% endif %}
  {% if feed.atom_url is not none %}<link href="{{ feed.atom_url }}" rel="self" type="application/atom+xml"/>{% endif %}
  {% if feed.atom_url is not none %}<id>{{ feed.atom_url }}</id>{% endif %}

  {# Optional elements #}
  {% if feed.description is not none %}<subtitle>{{ feed.description|e }}</subtitle>{% endif %}
  {% if feed.author is not none %}
  <author>
    <name>{{ feed.author|e }}</name>
  </author>
  {% endif %}

  {# Timestamps #}
  <updated>{{ feed.buildDate }}</updated>

  {# Credits #}
  <generator>{{ feed.generator }}</generator>

  {# Feed illustration #}
  {% if feed.logo_url is defined %}
  <logo>{{ feed.logo_url }}</logo>
  {% endif %}

  {# Entries #}
  {% for item in feed.entries %}
  <entry>
    <title>{{ item.title|e }}</title>
    {% if item.link is not none %}<link href="{{ item.link|e }}" rel="alternate" type="text/html"/>{% endif %}
    {% if item.guid is not none %}<id>{{ item.guid }}</id>{% endif %}
    <updated>{{ item.atom_updated }}</updated>
    <published>{{ item.atom_published }}</published>

    {# Authors loop #}
    {% if item.authors is not none %}
      {% for author in item.authors %}
    <author>
      <name>{{ author }}</name>
    </author>
      {% endfor %}
    {% endif %}

    {# Categories loop #}
    {% if item.categories is not none %}
      {% for category in item.categories %}
    <category term="{{ category }}"/>
      {% endfor %}
    {% endif %}

    <summary type="html">{{ item.description|e }}</summary>

    {# Full content if available - only include if not empty #}
    {% if item.content is not none and item.content|trim != "" %}
    <content type="html">{{ item.content|e }}</content>
    {% endif %}


    {# Image enclosure #}
    {% if item.image is not none %}
    <link rel="enclosure" href="{{ item.image[0] }}" type="{{ item.image[1] }}" length="{{ item.image[2] }}"/>
    {% endif %}
  </entry>
  {% endfor %}
</feed>