pager_tags.py

from django import template

register = template.Library()

@register.simple_tag(takes_context=True)
def pager(context, page_number):
    """
    for doing simple pagination with querystrings::
        <a href="?{% pager page.next_page_number %}">Next page</a>
    """
    request = context['request']
    params = request.GET.copy()
    params['page'] = page_number
    return params.urlencode(safe='/')