How do I specify binary and library project in one go?

[wizpresso-steve-cy-fan]

I want to do it just like Rust, where we can have a src/lib.rs and a src/main.rs, that separates the public content installable by the others (such as RPC API definition) and the private content NOT installable by the others and should be excluded (such as the implemented RPC server). Is it possible to do this in PDM? Of course maybe I can split this into multiple pyprojects, but it will be very tedious to do so (for example, I have to add another generated-api entry for monorepo setup)

[pawamoy]

With the following layout:

./
    src/
        public/
            __init__.py
        private/
            __init__.py

You can instruct PDM to only include the public folder in built distributions:

[build-system]
requires = ["pdm-backend"]
build-backend = "pdm.backend"

[tool.pdm.build]
package-dir = "src"
includes = ["src/public"]

Could you try that and let us know if that works for you?