More Accurate Recipe Book Source - Resource Packs

Instructions:

Open your desired Minecraft version (from the "version" folder) .jar file with a zip program;
Extract the "recipes" folder from inside data\minecraft into the "advancements" datapack folder (where the python script is located) and rename it to "recipes2";
Extract the "recipes" folder from inside data\minecraft\advancements into the same datapack folder;
Open the terminal from inside the datapack folder and run the script with python convert_recipes.py (python3 if you are on Linux);
Delete the "recipes2" folder.

Note: make sure to use the terminal and run the script from the correct directory, if you have (for some reason) a subfolder named recipes in the location you are running the script from (for example your home directory if you use VSCode with Code Runner), every JSON file present there will be overwritten!

Note 2: If you are on 1.21 or above (which I did not test yet), you should rename the "advancements" folder to "advancement".

The script will change every item recipe advancement to this:

{
    "parent":"minecraft:recipes/root",
    "criteria": {
        "has_ingredients": {
            "trigger": "minecraft:inventory_changed",
            "conditions": {
                "items": [
                    {
                        (required_items)
                    }
                ]
            }
        }
    },
    "requirements": [
        [
            "has_ingredients"
        ]
    ],
    "rewards": {
        "recipes": [
            "minecraft:item_name"
        ]
    }
}

And that's it, the datapack is ready! The script should also work with future versions of the game (except if they change the recipe and advancement structure). You can change the pack_format version from the pack.mcmeta file if you don't want to get a warning when selecting the datapack.

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