Is it possible to set the language for a specific page?

[BoboTiG]

I have a multilang website, example:

• French page: https://www.tiger-222.fr/luma/blockchain/node-dusk-http-wss.html
• English page: https://www.tiger-222.fr/luma/en/blockchain/node-dusk-http-wss.html

The default lang is "fr" for the whole website.

Here is the HTML context:

{
    "languages": [
        ("Français", "/", "fr"),
        ("English", "/en/", "en"),
    ],
}

The result is almost correct:

• as the default lang is "fr", all admonitions and stuff are in French
• same on the English page (this is a problem)

How can I properly setup languages in general, or at least provide a specific language for a given page?

[BoboTiG]

Here is the conf file for reference: https://github.com/BoboTiG/luma/blob/main/sources/conf.py

[lepture]

This is related to sphinx itself. I don't think Sphinx supports this feature. Here is how I implement multiple languages https://github.com/authlib/joserfc

[BoboTiG]

I think I setup languages properly, but all texts are still in French. OOC can you spot anything wrong with the current conf.py file?