Django 3 Web Development Cookbook - Fourth Edition

How to do it...

For these template tags, we will be using the @simple_tag decorator that parses the components and requires you to just define the rendering function, as follows:

1. First, let's add a helper method for putting together the query strings that each of our tags will output:

# myproject/apps/core/templatetags/utility_tags.pyfrom urllib.parse import urlencodefrom django import templatefrom django.utils.encoding import force_strfrom django.utils.safestring import mark_saferegister = template.Library()""" TAGS """def construct_query_string(context, query_params):    # empty values will be removed    query_string = context["request"].path    if len(query_params):        encoded_params = urlencode([            (key, force_str(value))            for (key, value) in query_params ...