django-jinja-render-block

This project aims to bring the super ergomomic partial template rendering of django-template-partials to django-jinja. It's a bit more limited in scope though: instead of allowing you to define reusable (inline) template partials using {% partialdef partial-name %}, it limits itself to rendering a block within a template, ala django-render-block.

TL;DR: you can render just a block using a template name such as template-name.jinja#block-name.

Installation

uv add django-jinja-render-block

Then use its template backend, instead of the one from django-ninja:

TEMPLATES = [
    {
        "BACKEND": "render_block.backend.Jinja2", # <- instead of "django_jinja.jinja2.Jinja2"
        "DIRS": [],
        "APP_DIRS": True,
        "OPTIONS": {
            # ...
        },
    },
]

Usage

Define a block in your Jinja template:

{% extends "base.jinja" %}

{% block body %}
<h1>HOME</h1>

{% block test-partial %}
<p>Partial block content</p>
{% endblock %}

<p>Lorum ipsum</p>
{% endblock %}

And in your view code you use the template name plus the partial block name, like so:

class ExamplePartialView(TemplateView):
    template_name = "example.jinja#test-partial"

This is extremely useful in combination with HTMX:

def example_view(request):
    template_name = "example.jinja"
    if request.htmx:
        template_name += "#test-partial"

    return TemplateResponse(request, template_name)

request.htmx comes from django-htmx

Thanks to

https://github.com/carltongibson/django-template-partials for the initial idea. I love the way it allows you to render a partial template just by appending the partial name to the template name. It only works with the Django Template Language though.
https://github.com/clokep/django-render-block for showing me how to render a single block out of a template.

License

loopwerk/django-jinja-render-block

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