Django Pagination in HTML

pagination.html

<div class="text-center">

    {% if pages.has_other_pages %}
    <ul class="pagination">
        {% if pages.has_previous %}
        <li>
            <a href="?page=1{% querystring request %}">&laquo;&laquo;</a>
        </li>
        <li>
            <a href="?page={{ pages.previous_page_number }}{% querystring request %}">&laquo;</a>
        </li>
        {% else %}
        <li class="disabled">
            <span>&laquo;&laquo;</span>
        </li>
        <li class="disabled">
            <span>&laquo;</span>
        </li>
        {% endif %} 
        {% for pg in pages.paginator.page_range %} 
        {% if pg > pages.number|add:"-4" and pg < pages.number|add: "4" %}
        <li class="{% if pages.number == pg %}active{% endif %}">
            <a href="?page={{ pg }}{% querystring request %}">{{ pg }}</a>
        </li>
        {% endif %} 
        {% endfor %} 
        {% if pages.has_next %}
        <li>
            <a href="?page={{ pages.next_page_number }}{% querystring request %}">&raquo;</a>
        </li>
        <li>
            <a href="?page={{ pages.paginator.num_pages }}{% querystring request %}">&raquo;&raquo;</a>
        </li>
        {% else %}
        <li class="disabled">
            <span>&raquo;</span>
        </li>
        <li class="disabled">
            <span>&raquo;&raquo;</span>
        </li>
        {% endif %}
    </ul>
    {% endif %}
</div>