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

  # build-system
  setuptools,

  # dependencies
  certifi,
  charset-normalizer,
  courlan,
  htmldate,
  justext,
  lxml,
  urllib3,

  # tests
  pytestCheckHook,
}:

buildPythonPackage rec {
  pname = "trafilatura";
  version = "2.0.0";
  pyproject = true;

  src = fetchFromGitHub {
    owner = "adbar";
    repo = "trafilatura";
    tag = "v${version}";
    hash = "sha256-Cf1W3JEGSMkVmRZVTXYsXzZK/Nt/aDG890Sf0/0OZAA=";
  };

  postPatch = ''
    # nixify path to the trafilatura binary in the test suite
    substituteInPlace tests/cli_tests.py \
      --replace-fail 'trafilatura_bin = "trafilatura"' \
                     'trafilatura_bin = "${placeholder "out"}/bin/trafilatura"'
  '';

  build-system = [ setuptools ];

  dependencies = [
    certifi
    charset-normalizer
    courlan
    htmldate
    justext
    lxml
    urllib3
  ];

  nativeCheckInputs = [ pytestCheckHook ];

  disabledTests = [
    # TypeError: argument of type 'NoneType' is not iterable
    # https://github.com/adbar/trafilatura/issues/805
    "test_external"
    "test_extract"

    # AttributeError: 'NoneType' object has no attribute 'find'
    # https://github.com/adbar/trafilatura/issues/805
    "test_table_processing"

    # Disable tests that require an internet connection
    "test_cli_pipeline"
    "test_crawl_page"
    "test_download"
    "test_feeds_helpers"
    "test_fetch"
    "test_input_type"
    "test_is_live_page"
    "test_meta_redirections"
    "test_probing"
    "test_queue"
    "test_redirection"
    "test_whole"
  ];

  pythonImportsCheck = [ "trafilatura" ];

  meta = {
    description = "Python package and command-line tool designed to gather text on the Web";
    homepage = "https://trafilatura.readthedocs.io";
    changelog = "https://github.com/adbar/trafilatura/blob/v${version}/HISTORY.md";
    license = lib.licenses.asl20;
    maintainers = with lib.maintainers; [ jokatzke ];
    mainProgram = "trafilatura";
  };
}