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path: root/pkgs/development/python-modules/pdm-backend/default.nix
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{ lib
, buildPythonPackage
, pythonOlder
, fetchFromGitHub

# propagates
, importlib-metadata

# tests
, editables
, git
, mercurial
, pytestCheckHook
, setuptools
}:

buildPythonPackage rec {
  pname = "pdm-backend";
  version = "2.3.0";
  format = "pyproject";

  src = fetchFromGitHub {
    owner = "pdm-project";
    repo = "pdm-backend";
    rev = "refs/tags/${version}";
    hash = "sha256-V+NESf7NavR6L6ko4Oh4KhAR2iIN5GiHZPELwvkpr4c=";
  };

  env.PDM_BUILD_SCM_VERSION = version;

  dependencies = lib.optionals (pythonOlder "3.10") [
    importlib-metadata
  ];

  pythonImportsCheck = [
    "pdm.backend"
  ];

  nativeCheckInputs = [
    editables
    git
    mercurial
    pytestCheckHook
    setuptools
  ];

  preCheck = ''
    unset PDM_BUILD_SCM_VERSION

    # tests require a configured git identity
    export HOME=$TMPDIR
    git config --global user.email nixbld@localhost
  '';

  setupHook = ./setup-hook.sh;

  meta = with lib; {
    homepage = "https://github.com/pdm-project/pdm-backend";
    changelog = "https://github.com/pdm-project/pdm-backend/releases/tag/${version}";
    description = "Yet another PEP 517 backend.";
    license = licenses.mit;
    maintainers = with maintainers; [ hexa ];
  };
}