---
title: "💭 Migration guide for config loaders — kedro 0.19.11 documentation"
description: "!https://docs.kedro.org/en/stable/configuration/config_migration.html"
date: 2025-02-05
published: true
tags:
  - kedro
  - thought
template: link
---


![https://docs.kedro.org/en/stable/configuration/config_loader_migration.html](/static/https://docs.kedro.org/en/stable/configuration/config_loader_migration.html)

Migrating from kedro 0.18.4 to the latest version involves handling the deprecated OmegaConf loader.  Switching over does not look as bad as I originally thought.


1. installing kedro 0.18.5+
2. set the CONFIG_LOADER_CLASS in settings.py
3. swap out import statements
4. config must be yaml or json
5. getting values from config must be done with bracket `__getattr__` style not with `.get`
6. any Exceptions caught from Templated config loader will need to be swapped to OmegaConfig exceptions, similar to #3
7. templated values must lead with an `_`
8. Globals are handled different
9. OmegaConfig does not support jinja2 sytax, but rather a `${variable}` syntax

!!! note

    This post is a <a href="/thoughts/" class="wikilink" data-title="Thoughts" data-description="These are generally my thoughts on a web page or some sort of url, except a rare few don&#39;t have a link. These are dual published off of my..." data-date="2024-04-01">thought</a>. It's a short note that I make
    about someone else's content online <a href="/tags/thoughts/" class="hashtag-tag" data-tag="thoughts" data-count=2 data-reading-time=3 data-reading-time-text="3 minutes">#thoughts</a>