base.mustache

{% comment %}
templates/base.html
{% endcomment %}

{% load menu_tags %}

{% main_menu %}     {# This line renders the menu #}

main_menu.mustache

{% comment %}
templates/includes/main_menu.html
{% endcomment %}

{% for page in pages %}
<li{% ifequal request.path page.0 %} class="current"{% endifequal %}>
  <a href="{{ page.0 }}">{{ page.1 }}</a>
</li>
{% endfor %}

menu_tags.py

'''
templatetags/menu_tags.py
'''

from django import template
from django.utils.translation import ugettext_lazy as _


register = template.Library()

MENU_PAGES = (
    ('/', _('Home')),           # Always a good idea to support translation
    ('/about/', _('About'))     # TODO: Use reverse() instead of hard-coded URLs
)

@register.inclusion_tag('includes/main_menu.html')
def main_menu():
    return {'pages': MENU_PAGES}