{
  sources ? import ./npins,
  pkgs ? import sources.nixpkgs { },
}:

let
  nix-pkgs = import sources.nix-pkgs { inherit pkgs; };

  python3 = pkgs.python3.override {
    packageOverrides = _: _: {
      inherit (nix-pkgs)
        django-autoslug
        django-cas-ng
        loadcredential
        markdown-icons
        ;
    };
  };
in

{
  devShell = pkgs.mkShell {
    name = "gestiojeux.dev";

    packages = [
      (python3.withPackages (ps: [
        ps.django
        ps.django-autoslug
        ps.loadcredential
        ps.django-cas-ng
        ps.django-cleanup
        ps.django-haystack
        ps.django-markdownx
        ps.django-tables2
        ps.pillow
        ps.whoosh

        # Django haystack is drunk
        ps.setuptools
      ]))
    ];

    env = {
      DJANGO_SETTINGS_MODULE = "gestiojeux.settings";

      CREDENTIALS_DIRECTORY = builtins.toString ./.credentials;

      GESTIOJEUX_DEBUG = builtins.toJSON true;
    };
  };
}