Nix

default.nix

with import <nixpkgs> { };
let
  latest =
    import (fetchTarball https://github.com/nixos/nixpkgs-channels/archive/129f8d7e999b1a1f0fceaecadca30211e34d85a6.tar.gz) {};
in
latest.haskellPackages.callPackage
  ./hpython.nix
  {
    inherit (import ./papa.nix latest.haskellPackages);
    tasty-hedgehog = import ../tasty-hedgehog { pkgs = latest; };
  }

hpython.nix

{ mkDerivation, ansi-wl-pprint, base, charset, deriving-compat
, directory, filepath, hedgehog, papa, parsers, pretty, process
, stdenv, tasty, tasty-hspec, text, transformers, trifecta, tasty-hedgehog
}:
mkDerivation {
  pname = "hpython";
  version = "0.0.1.0";
  src = ./.;
  libraryHaskellDepends = [
    base charset deriving-compat papa parsers pretty text transformers
    trifecta
  ];
  testHaskellDepends = [
    ansi-wl-pprint base directory filepath hedgehog papa pretty process
    tasty tasty-hspec text transformers trifecta tasty-hedgehog
  ];
  homepage = "https://github.com/qfpl/hpython";
  description = "Write Python using Haskell";
  license = stdenv.lib.licenses.bsd3;
}