Django: Django: adding new admin_tags

Snipplr-25238.py

# FIRST:

from django import template 
from poms.pomsapp import models

register = template.Library() 

# for People template

@register.inclusion_tag('admin/snippets/personfactoid_info.html') 
def display_personfactoids(person_id): 
    person = models.Person.objects.get(id__exact=person_id) 
    # factoids = models.Factoids.objects.filter(people=person)
    return { 'person': person }


## SECOND:

{% if person.assocfactoidperson_set.all %}

<b>Person associated to factoids:</b></br />

	<table>
	  <tr>
	    <th>Record ID</th>
		<th>Type</th>
	    <th>Short Summary</th>
		<th>Role</th>
	    <th>Source</th>
	  </tr>

	{% for a in person.assocfactoidperson_set.all %}
	  <tr>
	    <td>{{a.factoid.id}}</td>
		<td>{{a.factoid.get_right_subclass.0}}&#160;&#160;&#160;&#160;</td>
	    <td><a href="{% url factoid_detail a.factoid.id %}" title="click to show">{{a.factoid}}</a></td>
	    <td>{{a.role}}</td>
	    <td><a href="{% url source_detail a.factoid.sourcekey.id %}" title="click to show">{{a.factoid.sourcekey}}</a></td>
	  </tr>
	{% endfor %}

	</table>
	
	<br /><hr><hr><hr><br />
{% endif %}



## THIRD

........

{% block related_items_block %}{% endblock %}

........


## FOURTH 

{% extends "admin/change_form.html" %} 
{% load myadmin_tags %} 
{% block related_items_block %}
<h2>Additional information:</h2><br />

  	{% if object_id %}
		{% display_personfactoids object_id %}
	{% endif %} 
	
 {% endblock %}