django中的分页以及过滤器

{% load i18n %}
{% load apps_filter %}

{% if paged_objects.has_other_pages %}
<div class="row-fluid">
  <div class="pull-right">
    <div class="pagination ks-pagination {{ position_css }}">
      <ul>
        {% if paged_objects.has_previous %}
        <li><a href="?page={{ paged_objects.previous_page_number }}{% if params_str %}{{ params_str }}{% endif %}">{% trans '上一页' %}</a>
        {% else %}
        <li class="disabled"><a href="#">{% trans '上一页' %}</a>
        {% endif %}

        {% if paged_objects.number|gt:0 %}
        <li><a href="?page=1{% if params_str %}{{ params_str }}{% endif %}">1</a>
        <li class="disabled"><a href="#">...</a>
        {% endif %}

        {% for page_index in paged_objects.paginator.page_range|my_page_range:paged_objects.number %}
          {% ifequal paged_objects.number page_index %}
          <li class="active"><a href="#">{{ page_index }}</a>
          {% else %}
          <li><a href="?page={{ page_index }}{% if params_str %}{{ params_str }}{% endif %}">{{ page_index }}</a>
          {% endifequal %}
        {% endfor %}

        {% if paged_objects.paginator.num_pages|gt:paged_objects.number %}
        <li class="disabled"><a href="#">...</a>
        {% endif %}

        {% if paged_objects.has_next %}
        <li><a href="?page={{ paged_objects.paginator.num_pages }}{% if params_str %}{{ params_str }}{% endif %}">{{ paged_objects.paginator.num_pages }}</a>
        <li><a href="?page={{ paged_objects.next_page_number }}{% if params_str %}{{ params_str }}{% endif %}">{% trans '下一页' %}</a>
        {% else %}
        <li class="disabled"><a href="#">{% trans '下一页' %}</a>
        {% endif %}
      </ul>
    </div>
  </div>
</div>
{% endif %}

gistfile1.py

#!/usr/bin/env python
# coding=utf-8


from django import template
register = template.Library()


# start 分页相关
@register.inclusion_tag('paginator_bootstrap.html')
def show_paginator(paged_objects, position_css, params_str=None):
    '''用于分页的包含页面标签

    用法
    需要的模板中加入{% show_paginator hosts "page" %}

    修改
    直接修改模板paginator.html
    '''
    # TODO 1|2...99|98分页
    # TODO 分页显示数量

    return {'paged_objects': paged_objects, 'position_css': position_css, 'params_str': params_str}
@register.filter
def my_page_range(page_range, cur_page_num):
    start_index = cur_page_num - 1
    if page_range[start_index] < 5:
        if page_range[start_index] == len(page_range):
            return page_range
        elif len(page_range) <= 6:
            return page_range[:-1]
        else:
            return page_range[:6]
    elif page_range[start_index] > len(page_range) - 5:
        if page_range[start_index] == len(page_range):
            return page_range[-6:]
        elif page_range[start_index] in page_range[-6:-4] :
            return page_range[cur_page_num - 3:cur_page_num + 3]
        elif page_range[start_index] == 5:
            return page_range[cur_page_num - 3:cur_page_num + 1]
        else:
            return page_range[-6:-1]
    elif 6 < page_range[start_index] < len(page_range):
        page_range = page_range[:-1]
        return page_range[cur_page_num - 3:cur_page_num + 3]
    else:
        return page_range[cur_page_num - 3:cur_page_num + 3]
@register.filter
def gt(a, b):
    return a > b + 4 or b < 6 and a >= 6
# end 分页相关
@register.filter
def is_menu(cur_path, menu):
    if cur_path:
        return menu[:-1] in cur_path  # /example/list 和 /example/list/ 认为是一个
    else:
        return False


@register.filter
def mongo_id(value):
    return value.get('_id') if value else None


@register.filter
def get_comma_str_item(comma_str, show_type):
    '''拆分用逗号分割的字符串，如果show_type为"all"则显示所有，其他只返回第一个
        列表中节省空间，只显示一个CVE-ID，详细页面显示所有的
        BUG_ID, OSWAP_LEVEL同
    '''
    if comma_str:
        ids = [item.strip() for item in comma_str.split(',')]
        if show_type == 'all':
            return ids
        else:
            try:
                return ids[0]
            except:
                return ''
    return ''