{# robots.txt is a little picky about whitespace and newlines - that's why the below looks kind of bad.#}
{% if rules is defined and rules %}
{% for user_agent, disallowed in rules.items() %}
User-agent: {{ user_agent }}
{% for rule in rules %}
Disallow: {{ rule }}
{% endfor %}
{% endfor %}
{% else %}
User-agent: *
Disallow:
{% endif %}

Sitemap: {{ sitemap_url }}