paginator.py

from django.core.paginator import Paginator as DefaultPaginator


class Paginator(DefaultPaginator):
    def __init__(self, object_list, per_page, orphans=0, 
                 allow_empty_first_page=True, request=None, page_var="page"):
        assert request is not None, "request must be supplied."
        super(Paginator, self).__init__(object_list, per_page, orphans,
                                        allow_empty_first_page)
        self.query = request.GET.copy()
        self.page_var = page_var

    def _get_pages(self):
        """Returns page_num, query."""
        for page_num in range(1, self.num_pages + 1):
            self.query[self.page_var] = page_num
            yield page_num, self.query.urlencode()
    pages = property(_get_pages)
        

def get_paginator(request, qs, paginate_by=25, page_var="page"):
    paginator = Paginator(qs, paginate_by, request=request)
    page_obj = paginator.page(request.GET.get(page_var, 1))
    return paginator, page_obj