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Nix
at master
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buildPythonPackage rec { pname = "narwhals"; version = "2.16.0"; pyproject = true;
src = fetchFromGitHub { owner = "narwhals-dev"; repo = "narwhals"; tag = "v${version}"; hash = "sha256-k7CeM8Q4JgKbkLisAaVrljro4diOf0K0immek6AI0vM="; };
build-system = [ hatchling ];
optional-dependencies = { # cudf = [ cudf ]; dask = [ dask ] ++ dask.optional-dependencies.dataframe; # modin = [ modin ]; pandas = [ pandas ]; polars = [ polars ]; pyarrow = [ pyarrow ]; pyspark = [ pyspark ]; ibis = [ ibis-framework rich packaging pyarrow-hotfix ]; sqlframe = [ sqlframe ]; };
nativeCheckInputs = [ duckdb hypothesis pytest-env pytestCheckHook ] ++ lib.concatAttrValues optional-dependencies;
pythonImportsCheck = [ "narwhals" ];
disabledTests = [ # Flaky "test_rolling_var_hypothesis" # Missing file "test_pyspark_connect_deps_2517" # Timezone issue "test_to_datetime" "test_unary_two_elements" # Test requires pyspark binary "test_datetime_w_tz_pyspark" "test_convert_time_zone_to_connection_tz_pyspark" "test_replace_time_zone_to_connection_tz_pyspark" "test_lazy" # Incompatible with ibis 11 "test_unique_3069" # DuckDB 1.4.x compatibility - empty result schema handling with PyArrow "test_skew_expr" # ibis improvements cause strict XPASS failures (tests expected to fail now pass) "test_empty_scalar_reduction_with_columns" "test_collect_empty" "test_first_last_expr_over_order_by" "test_first_expr_broadcasting" # sqlframe improvements cause strict XPASS failures (tests expected to fail now pass) "test_unique_expr" ];
disabledTestPaths = lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) [ # Segfault in included polars/lazyframe "tests/tpch_q1_test.py" ];
pytestFlags = [ "-Wignore::DeprecationWarning" ];
meta = { description = "Lightweight and extensible compatibility layer between dataframe libraries"; homepage = "https://github.com/narwhals-dev/narwhals"; changelog = "https://github.com/narwhals-dev/narwhals/releases/tag/${src.tag}"; license = lib.licenses.mit; maintainers = with lib.maintainers; [ fab ]; };}