Paginator with window options, for pinax-theme-bootstrap

paginator_helper_tags.py

from django import template

register = template.Library()

@register.assignment_tag
def page_range(page_obj, window=7):
    """
    Return page numbers respecting window.
    """
    last_page = page_obj.paginator.num_pages
    start_page = max(page_obj.number - window, 1)
    end_page = min(page_obj.number + window + 1, last_page)
    page_numbers = range(start_page, end_page)
    if 1 not in page_numbers:
        page_numbers.insert(0, None)
        page_numbers.insert(0, 1)
    if last_page not in page_numbers:
        page_numbers.append(None)
        page_numbers.append(last_page)
    return page_numbers

templatespaginationpagination.html

{% load i18n %}
{% load paginator_helper_tags %}

{% if is_paginated %}
{% page_range page_obj as page_range %}
<div class="pagination">
    <ul>
        {% if page_obj.has_previous %}
            <li class="prev">
                <a href="?page={{ page_obj.previous_page_number }}{{ getvars }}{{ hashtag }}">← {% trans "Previous" %}</a>
            </li>
        {% else %}
            <li class="prev disabled"><a>← {% trans "Previous" %}</a></li>
        {% endif %}
        {% for page in page_range %}
            {% if page %}
                <li class="{% ifequal page page_obj.number %}active{% endifequal %}"><a href="?page={{ page }}{{ getvars }}{{ hashtag }}">{{ page }}</a></li>
            {% else %}
                <li class="disabled"><a href="#">…</a></li>
            {% endif %}
        {% endfor %}
        {% if page_obj.has_next %}
            <li class="next"><a href="?page={{ page_obj.next_page_number }}{{ getvars }}{{ hashtag }}">{% trans "Next" %} →</a></li>
        {% else %}
            <li class="next disabled"><a>{% trans "Next" %} →</a></li>
        {% endif %}
    </ul>
</div>
{% endif %}