Makejinja: Automatically generate complex Home Assistant configurations
makejinja can be used to automatically generate files from Jinja templates. This allows you to load variables from external files or create repeating patterns via loops. A very interesting use case for this tool is generating config files for Home Assistant: Using the same language that the built-in templates use, you can greatly simplify your configuration. When creating for example dashboards, it allows you to create a view for each room based on a single common template, dramatically reducing the maintenance overhead of complex dashboards. I originally developed this for my smarthome…
In plain words
Makejinja is a tool that generates files from Jinja templates, enabling users to load external variables and create repeating patterns through loops. It is designed for Home Assistant users who want to simplify their configurations by using the same templating language as Home Assistant's built-in system. The tool significantly reduces maintenance overhead when creating dashboards, allowing users to define a single template for rooms or devices and automatically generate variations, making complex smart home setups more manageable.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
makejinja can be used to automatically generate files from Jinja templates. This allows you to load variables from external files or create repeating patterns via loops. A very interesting use case for this tool is generating config files for Home Assistant: Using the same language that the built-in templates use, you can greatly simplify your configuration. When creating for example dashboards, it allows you to create a view for each room based on a single common template, dramatically reducing the maintenance overhead of complex dashboards. I originally developed this for my smarthome setup, but thought it may be useful for others as well! A concrete example for Home Assistant can be found in the tests directory: https://github.com/mirkolenz/makejinja/blob/main/tests/data For more information like detailed features or installation/usage instructions, please visit the GitHub repo.
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