Custom enable templatetag with djangoCMS render_model

Question

I created a site with djangoCMS and am actively using apphooks, cms plugins, wizards, etc. We have a simple application with one model containing the basic data that should be displayed on the main page.

models.py

from django.db import models
from django.utils.text import slugify
from django.urls import reverse

from cms.models.fields import PlaceholderField
from djangocms_text_ckeditor.fields import HTMLField


class Programme(models.Model):
    name = models.CharField(max_length=60, unique=True)
    slug = models.SlugField()
    icon = models.CharField(max_length=50, unique=True)
    introduction = HTMLField()
    overview = PlaceholderField(
        'programme_overview',
        related_name='programmes_overview'
    )

    def __str__(self):
        return self.name

    def get_absolute_url(self):
        return reverse(
            'programmes:programme-detail',
            kwargs={'slug': self.slug}
        )

    def save(self, *args, **kwargs):
        if not self.pk:
            self.slug = slugify(self.name)
        super(Programme, self).save(*args, **kwargs)

I decided to create a special templatetag template for this purpose.

templatetags/programmes_tags

from django import template

from ..models import Programme

register = template.Library()

@register.inclusion_tag('programmes/programme_list.html')
def programme_list():
    programmes = Programme.objects.all()
    return {'programmes': programmes}

In the template, I use render_modelout cms_tagsbecause editors should be able to edit content in the interface. Here is the template:

templates/programmes/programme_list.html

{% load cms_tags %}

{% for programme in programmes %}
    <div class="col-lg-2 col-md-4 col-sm-6 col-xs-12 text-center flex-item">
        <div class="service-box">
            <i class="fa fa-4x {{ programme.icon }} text-primary" style="visibility:visible;"></i>
            <h3>
                <a href="{% url 'programmes:programme-detail' programme.slug %}">
                    {{ programme.name }}
                </a>
            </h3>
            <p class="text-muted">
                {% render_model programme 'introduction' %}
            </p>
        </div>
    </div>
{% endfor %}

The tag is now used in the template for the main page:

{% load programmes_tags %}
{% programme_list %}

When I open the homepage, it gives an error message:

KeyError: 'request'

Obviously, the tag render_modelneeds access to request. When I try to change templatetag as follows:

@register.inclusion_tag('programmes/programme_list.html', takes_context=True)
def programme_list(context):
    programmes = Programme.objects.all()
    context.update({'programmes': programmes})
    return context

request RequestContext, :

ValueError: dictionary update sequence element #1 has length 1; 2 is required

RequestContext?
templatetag - , , .

Answer 1

has_context . .

@register.inclusion_tag('programmes/programme_list.html', takes_context=True)
def programme_list(context):
    request = context['request']
    programmes = Programme.objects.all()
    return {'programmes': programmes, 'request': request}