Django Pagination with ellipsis

pagination.html

<!--
README:
    Simply change:
    1. YOUR_OBJECT_NAME to your object model name
    2. ?page= to your GET parameter
    3. Add any layout you need (Bootstrap etc.)
-->

<ul>
    {% if YOUR_OBJECT_NAME.has_previous %}
        <li>
            <a href="?page={{ YOUR_OBJECT_NAME.previous_page_number }}">&lt;</a>
        </li>
    {% else %}
        <li class="disabled">
            <a href="#" tabindex="-1" aria-disabled="true">&lt;</a>
        </li>
    {% endif %}
    {% if YOUR_OBJECT_NAME.number|add:'-4' > 1 %}
        <li>
            <a href="?page={{ YOUR_OBJECT_NAME.number|add:'-5' }}">&hellip;</a>
        </li>
    {% endif %}
    {% for i in YOUR_OBJECT_NAME.paginator.page_range %}
        {% if YOUR_OBJECT_NAME.number == i %}
            <li class="active">
                <a href="{{ request.path }}?page={{ i }}">{{ i }}</a>
            </li>
        {% elif i > YOUR_OBJECT_NAME.number|add:'-5' and i < YOUR_OBJECT_NAME.number|add:'5' %}
            <li>
                <a href="?page={{ i }}">{{ i }}</a>
            </li>
        {% endif %}
    {% endfor %}
    {% if YOUR_OBJECT_NAME.paginator.num_pages > YOUR_OBJECT_NAME.number|add:'4' %}
        <li>
            <a href="?page={{ YOUR_OBJECT_NAME.number|add:'5' }}">&hellip;</a>
        </li>
    {% endif %}
    {% if YOUR_OBJECT_NAME.has_next %}
        <li>
            <a href="?page={{ YOUR_OBJECT_NAME.next_page_number }}">&gt;</a>
        </li>
    {% else %}
        <li class="disabled">
            <a href="#" tabindex="-1" aria-disabled="true">&gt;</a>
        </li>
    {% endif %}
</ul>