Disable Jinja template caching for certain filter

Question

We have a custom Jinja filter that we use for creating cache busting URL for our Javascript and CSS resources. We now noticed that in our production environment the final, c

Answer 1

There is a way to disable caching of the result of a particular filter: it's by not using a constant input, e.g. by exposing a random source as a global variable.

# Expose to Jinja
from random import random as RANDOM

And in the templates

{{ RANDOM() | eval_this_filter_every_time }}