There's at least LuaPi: https://github.com/LuaDist/luapi/blob/master/doc/LuaPiTut.pdf https://github.com/LuaDist/luapi/blob/master/doc/LuaPiTut.pd... - doesn't

There's at least LuaPi: https://github.com/LuaDist/luapi/blob/master/doc/LuaPiTut.pdf https://github.com/LuaDist/luapi/blob/master/doc/LuaPiTut.pd... - doesn't seem hard or "bad suited for programming". I'd be wary of claiming that something isn't practical just because it hasn't escaped the academic world yet. Bringing research stuff to "real world" is a hard skill, and in my opinion of a very high value.