pongo2, https://github.com/flosch/pongo2
<html><head><title>Our admins and users</title></head>
{# This is a short example to give you a quick overview of pongo2's syntax. #}
{% macro user_details (user, is_admin=false ) %}
<div class="user_item">
<!-- Let's indicate a user's good karma -->
<h2 {% if (user.karma >= 40 ) || (user.karma > calc_avg_karma (userlist )+5 ) %}
class="karma-good"{% endif %}>
<!-- This will call user.String () automatically if available: -->
{{ user }}
</h2>
<!-- Will print a human-readable time duration like "3 weeks ago" -->
<p>This user registered {{ user.register_date|naturaltime }}.</p>
<!-- Let's allow the users to write down their biography using markdown;
we will only show the first 15 words as a preview -->
<p>The user's biography:</p>
<p>{{ user.biography|markdown|truncatewords_html:15 }}
<a href="/user/{{ user.id }}/">read more</a></p>
{% if is_admin %}<p>This user is an admin!</p>{% endif %}
</div>
{% endmacro %}
<body>
<!-- Make use of the macro defined above to avoid repetitive HTML code
since we want to use the same code for admins AND members -->
<h1>Our admins</h1>
{% for admin in adminlist %}
{{ user_details (admin, true ) }}
{% endfor %}
<h1>Our members</h1>
{% for user in userlist %}
{{ user_details (user ) }}
{% endfor %}
</body>
</html>
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