Django 3 Web Development Cookbook - Fourth Edition

How to do it...

An advanced custom template tag consists of a function that parses the arguments that are passed to the tag, and a Node class that renders the output of the tag or modifies the template context. Perform the following steps to create the {% parse %} template tag:

1. First, let's create the function parsing the arguments of the template tag, as follows:

# myproject/apps/core/templatetags/utility_tags.pyfrom django import templateregister = template.Library()""" TAGS """@register.tagdef parse(parser, token):    """    Parses a value as a template and prints or saves to a variable    Usage:        {% parse <template_value> [as <variable>] %}    Examples:        {% parse object.description %}        {% parse header as header %} {% parse "{{ MEDIA_URL }}js/" as ...