Joseph Jude

Consult . Code . Coach

Pagination in Django

code . python . django

Most often it is necessary to paginate the results. Django comes up with a simple but pretty neat pagination out-of-the-box. Paginating is easy and simple.

Import first:

from django.core.paginator import Paginator, InvalidPage

Get the results. I read somewhere that Django delays execution of queries until necessary. If so, then this will not impact any performance.

info_list = Paginator(sol.objects.all(),paginate_by)

Now build the dictionary values to be passed to the template.

try: page_info = except InvalidPage: page_num = 1 page_info =

has_previous = page_info.has_previous() has_next = page_info.has_next()

info_dict = { 'query_list' : page_info.object_list, 'has_previous' : page_info.has_previous(), 'previous_page' : page_info.previous_page_number(), 'has_next' : page_info.has_next(), 'next_page' : page_info.next_page_number(), 'site_name' : 'sol', 'user' : request.user, }

That is it. Now this can be called as:

{% for item in query_list %} <tr class="itemrow"> <td class="itemcol"><a href="{{ item.get_absolute_url }}"> {{item.title}}</a></td> <td class="itemcol"> <ul> {% for author in item.authors.all %} <li> <a href="{{author.get_absolute_url}}" title="{{}}">{{}}</a> </li> {%endfor %} </ul> </td> </tr> {% endfor %}

This will enable pagination for the entries. Simple right?

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