gistfile1.txt

import math

PAGINATE_BY = 10
ALL_PAGES = 'all pages'


def paginator(page, data_objects, objects_count=None):
    paginate = PAGINATE_BY
    page = int(page)
    next = PAGINATE_BY * page
    previous = next - PAGINATE_BY
    num_pages = int(math.ceil(objects_count / float(PAGINATE_BY))) # 7

    data = {'number': page,
            'num_pages': num_pages,
            'page_range': [page for page in xrange(1, num_pages + 1)]}
    FIRST_PAGE = 1
    LAST_PAGE = num_pages
    if data['number'] == FIRST_PAGE:
        data['has_next'] = True
        data['has_previous'] = False
        data['next_page_number'] = data['number'] + 1
        data['data'] = data_objects[:PAGINATE_BY]
    elif data['number'] == LAST_PAGE:
        data['data'] = data_objects[previous:next]
        data['has_next'] = False
        data['has_previous'] = True
        data['previous_page_number'] = data['number'] - 1
    else:
        data['data'] = data_objects[previous:next]
        data['has_next'] = True
        data['has_previous'] = True
        data['next_page_number'] = data['number'] + 1
        data['previous_page_number'] = data['number'] - 1
    return data
    
{% for article in articles.data %}
  {% include 'article.inc.html' %}
{% endfor %}

{% if articles.num_pages != 0 %}
  <div class="pagination post-item-quant">
      <div class="post-item-quant-body">
          {% if articles.has_previous %}
              <div class="post-item-like" >
              <a href="?page={{ articles.previous_page_number }}">
                  <button style="float: left !important;">
                      Previous page
                  </button></a>
              </div>
          {% endif %}

          {% for index in articles.page_range %}
              {% if articles.number == index %}
                  <div class="post-item-like">
                      <button disabled="disabled" style="padding: 0px 16px 0px 16px; margin-left: 2px; margin-right: 2px; background-color: #6a7277">
                          {{ articles.number }}
                      </button>
                  </div>
              {% else %}
                  <div class="post-item-like">
                      <a href="?page={{ index }}">
                          <button style="padding: 0px 16px 0px 16px; margin-left: 2px; margin-right: 2px;">
                              {{ index }}
                          </button>
                      </a>
                  </div>
              {% endif %}
          {% endfor %}

          {% if articles.has_next %}
              <div class="post-item-like">
              <a href="?page={{ articles.next_page_number }}">
                  <button style="float: right !important;">
                      Next page
                  </button></a>
              </div>
          {% endif %}
      </div>
  </div>
  {% endif %}