__init__.py 文件源码

def get_paginator_items(items, paginate_by, page_number):
    if not page_number:
        page_number = 1
    paginator = Paginator(items, paginate_by)
    try:
        page_number = int(page_number)
    except ValueError:
        raise Http404('Page can not be converted to an int.')

    try:
        items = paginator.page(page_number)
    except InvalidPage as err:
        raise Http404('Invalid page (%(page_number)s): %(message)s' % {
            'page_number': page_number, 'message': str(err)})
    return items