fibre_walk_project_code/flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = {nixpkgs, ...}: let
    system = "x86_64-linux";
    pkgs = nixpkgs.legacyPackages.${system};
  in {
    devShells.${system}.default = pkgs.mkShell {
      packages = [
        pkgs.python3
        pkgs.poetry
      ];

      env = {
        # Workaround in linux: python downloads ELF's that can't find glibc
        # You would see errors like: error while loading shared libraries: name.so: cannot open shared object file: No such file or directory
        LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [
          pkgs.stdenv.cc.cc
          # Add any missing library needed
          # You can use the nix-index package to locate them, e.g. nix-locate -w --top-level --at-root /lib/libudev.so.1
        ];

        # Put the venv on the repo, so direnv can access it
        POETRY_VIRTUALENVS_IN_PROJECT = "true";
        POETRY_VIRTUALENVS_PATH = "{project-dir}/.venv";

        # Use python from path, so you can use a different version to the one bundled with poetry
        POETRY_VIRTUALENVS_PREFER_ACTIVE_PYTHON = "true";
      };
    };
  };
}