pola-rs/polars

Pattern Findings

5472 matches across 17 categories. Click a row to expand file-level details.

Hyper-Verbose Identifiers3132 hits · 2946 pts

Severity	File	Line	Snippet
LOW	py-polars/tests/benchmark/test_io.py	12	def test_write_read_scan_large_csv(groupby_data: pl.DataFrame, tmp_path: Path) -> None:
LOW	py-polars/tests/benchmark/test_join_where.py	29	def test_non_strict_inequalities(east_west: tuple[pl.DataFrame, pl.DataFrame]) -> None:
LOW	py-polars/tests/benchmark/test_join_where.py	94	def test_join_where_invalid_column() -> None:
LOW	py-polars/tests/benchmark/interop/test_numpy.py	44	def test_to_numpy_series_zero_copy(floats: pl.Series) -> None:
LOW	py-polars/tests/benchmark/interop/test_numpy.py	48	def test_to_numpy_series_with_nulls(floats_with_nulls: pl.Series) -> None:
LOW	py-polars/tests/benchmark/interop/test_numpy.py	52	def test_to_numpy_series_chunked(floats_chunked: pl.Series) -> None:
LOW	py-polars/tests/unit/conftest.py	222	def memory_usage_without_pyarrow() -> Generator[MemoryUsage, Any, Any]:
LOW	py-polars/tests/unit/test_schema.py	6	def test_contains_dtype_top_level() -> None:
LOW	py-polars/tests/unit/test_schema.py	12	def test_contains_dtype_recursive_nested() -> None:
LOW	py-polars/tests/unit/test_schema.py	18	def test_contains_dtype_recursive_struct() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	26	def test_series_describe_float() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	45	def test_series_describe_string() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	59	def test_series_describe_boolean() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	77	def test_series_describe_date() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	95	def test_series_describe_empty() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	106	def test_series_describe_null() -> None:
LOW	py-polars/tests/unit/series/test_describe.py	117	def test_series_describe_nested_list() -> None:
LOW	py-polars/tests/unit/series/test_getitem.py	45	def test_series_getitem_range(rng: range, expected_values: list[int]) -> None:
LOW	py-polars/tests/unit/series/test_getitem.py	60	def test_series_getitem_boolean_mask(mask: Any) -> None:
LOW	py-polars/tests/unit/series/test_getitem.py	73	def test_series_getitem_empty_inputs(input: Any) -> None:
LOW	py-polars/tests/unit/series/test_getitem.py	81	def test_series_getitem_multiple_indices(indices: Any) -> None:
LOW	py-polars/tests/unit/series/test_getitem.py	88	def test_series_getitem_numpy() -> None:
LOW	py-polars/tests/unit/series/test_getitem.py	115	def test_series_getitem_col_invalid_inputs(input: Any, match: str) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	29	def test_series_rolling_min_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	35	def test_series_rolling_max_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	41	def test_series_rolling_sum_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	47	def test_series_rolling_mean_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	82	def test_series_rolling_rank_by_with_nulls(
LOW	py-polars/tests/unit/series/test_rolling.py	91	def test_series_rolling_quantile_by_with_nulls(
LOW	py-polars/tests/unit/series/test_rolling.py	100	def test_series_rolling_median_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	106	def test_series_rolling_std_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	112	def test_series_rolling_var_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	118	def test_series_rolling_quantile_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	124	def test_series_rolling_rank_by(values: pl.Series, by_col: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_rolling.py	130	def test_series_rolling_min_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	138	def test_series_rolling_max_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	146	def test_series_rolling_sum_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	154	def test_series_rolling_mean_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	162	def test_series_rolling_median_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	170	def test_series_rolling_std_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	178	def test_series_rolling_var_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	186	def test_series_rolling_quantile_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	194	def test_series_rolling_rank_by_temporal(
LOW	py-polars/tests/unit/series/test_rolling.py	64	def test_series_rolling_by_with_nulls(
LOW	py-polars/tests/unit/series/test_equals.py	53	def test_series_equals_check_names() -> None:
LOW	py-polars/tests/unit/series/test_equals.py	124	def test_series_equals_strict_deprecated() -> None:
LOW	py-polars/tests/unit/series/test_scatter.py	93	def test_scatter_logical_all_null() -> None:
LOW	py-polars/tests/unit/series/test_zip_with.py	7	def test_zip_with_all_true_mask() -> None:
LOW	py-polars/tests/unit/series/test_zip_with.py	16	def test_zip_with_all_false_mask() -> None:
LOW	py-polars/tests/unit/series/test_zip_with.py	35	def test_zip_with_series_comparison() -> None:
LOW	py-polars/tests/unit/series/test_zip_with.py	44	def test_zip_with_null_values() -> None:
LOW	py-polars/tests/unit/series/test_zip_with.py	54	def test_zip_with_length_mismatch() -> None:
LOW	py-polars/tests/unit/series/test_zip_with.py	63	def test_zip_with_bad_input_type() -> None:
LOW	py-polars/tests/unit/series/test_item.py	22	def test_series_item_incorrect_shape() -> None:
LOW	py-polars/tests/unit/series/test_item.py	34	def test_series_item_with_index(index: int, expected: int, s: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_item.py	39	def test_df_item_out_of_bounds(index: int, s: pl.Series) -> None:
LOW	py-polars/tests/unit/series/test_item.py	45	def test_series_item_out_of_range_date() -> None:
LOW	py-polars/tests/unit/series/test_extend.py	46	def test_extend_with_null_series() -> None:
LOW	py-polars/tests/unit/series/test_series.py	2235	def test_series_getitem_out_of_bounds_positive() -> None:
LOW	py-polars/tests/unit/series/test_series.py	2243	def test_series_getitem_out_of_bounds_negative() -> None:
3072 more matches not shown…

Cross-Language Confusion201 hits · 892 pts

Severity	File	Line	Snippet
HIGH	py-polars/tests/unit/series/test_equals.py	14	assert s1.equals(s2) is True
HIGH	py-polars/tests/unit/series/test_equals.py	15	assert s1.equals(s2, check_dtypes=True) is False
HIGH	py-polars/tests/unit/series/test_equals.py	16	assert s1.equals(s2, null_equal=False) is False
HIGH	py-polars/tests/unit/series/test_equals.py	28	assert s3.equals(s4) is False
HIGH	py-polars/tests/unit/series/test_equals.py	29	assert s3.equals(s4, check_dtypes=True) is False
HIGH	py-polars/tests/unit/series/test_equals.py	30	assert s3.equals(s4, null_equal=False) is False
HIGH	py-polars/tests/unit/series/test_equals.py	37	s1.equals(pl.DataFrame(s2), check_names=False) # type: ignore[arg-type]
HIGH	py-polars/tests/unit/series/test_equals.py	43	s1.equals(pl.DataFrame(s2).lazy(), check_names=False) # type: ignore[arg-type]
HIGH	py-polars/tests/unit/series/test_equals.py	50	assert s5.equals(DummySeriesSubclass(s5)) is True
HIGH	py-polars/tests/unit/series/test_equals.py	56	assert s1.equals(s2) is True
HIGH	py-polars/tests/unit/series/test_equals.py	57	assert s1.equals(s2, check_names=True) is False
HIGH	py-polars/tests/unit/series/test_equals.py	128	assert not s1.equals(s2, strict=True) # type: ignore[call-arg]
HIGH	py-polars/tests/unit/series/test_equals.py	321	assert s.equals(s)
HIGH	py-polars/tests/unit/series/test_series.py	2377	assert calculated.equals(expected)
HIGH	py-polars/tests/unit/dataframe/test_df.py	3339	assert df.equals(expected)
HIGH	py-polars/tests/unit/dataframe/test_df.py	3346	assert df.equals(expected)
HIGH	py-polars/tests/unit/dataframe/test_equals.py	23	assert df1.equals(df1) is True
HIGH	py-polars/tests/unit/dataframe/test_equals.py	24	assert df1.equals(df2) is False
HIGH	py-polars/tests/unit/dataframe/test_equals.py	34	assert df1.equals(df3) is False
HIGH	py-polars/tests/unit/dataframe/test_equals.py	44	assert df.equals(df.with_columns(pl.col("foo").cast(pl.Int8))) is True
HIGH	py-polars/tests/unit/dataframe/test_equals.py	45	assert df.equals(df.with_columns(pl.col("ham").cast(pl.Categorical))) is True
HIGH	py-polars/tests/unit/dataframe/test_equals.py	48	assert df.equals(df) is True
HIGH	py-polars/tests/unit/dataframe/test_equals.py	49	assert df.equals(df, null_equal=False) is False
HIGH	py-polars/tests/unit/dataframe/test_equals.py	60	df1.equals(df2.lazy()) # type: ignore[arg-type]
HIGH	py-polars/tests/unit/dataframe/test_equals.py	66	df1.equals(pl.Series([1, 2, 3])) # type: ignore[arg-type]
HIGH	py-polars/tests/unit/dataframe/test_equals.py	73	assert df1.equals(df2) is True
HIGH	py-polars/tests/unit/dataframe/test_glimpse.py	52	$ d <str> null, 'b', 'c'
HIGH	py-polars/tests/unit/dataframe/test_0_width_df.py	10	assert df.equals(df)
HIGH	py-polars/tests/unit/dataframe/test_0_width_df.py	11	assert not df.equals(pl.DataFrame())
HIGH	py-polars/tests/unit/datatypes/test_list.py	868	assert expected.equals(actual)
HIGH	py-polars/tests/unit/datatypes/test_temporal.py	381	assert s.equals(tz_s, null_equal=False) is False
HIGH	py-polars/tests/unit/datatypes/test_temporal.py	382	assert s.equals(tz_s, null_equal=True) is False
HIGH	py-polars/tests/unit/datatypes/test_datatype_exprs.py	84	(pl.List(pl.Null()), "list", "list[null]", None),
HIGH	py-polars/tests/unit/datatypes/test_datatype_exprs.py	92	(pl.Array(pl.Null(), 2), "array", "array[null, 2]", 0),
HIGH	py-polars/tests/unit/interop/test_from_pandas.py	405	pd_df = pd.DataFrame({"col": ["a", null]})
HIGH	py-polars/tests/unit/interop/test_interop.py	374	# Create a pyarrow table with a list[null] column.
HIGH	py-polars/tests/unit/interop/test_interop.py	1018	assert df.equals(df_res)
HIGH	py-polars/tests/unit/io/test_ipc.py	117	assert pd_df.equals(pd_df_read)
HIGH	py-polars/tests/unit/io/test_lazy_parquet.py	1026	assert [x.equals(pl.DataFrame({"x": 1})) for x in results] == [
HIGH	py-polars/tests/unit/io/test_lazy_json.py	302	{"a": {"x": 1}, "b": [1,2,3], "c": {"y": null}, "d": [{"k": "abc"}, {"j": "123"}, {"l": 7, "m": 8}]}
HIGH	py-polars/tests/unit/io/test_lazy_json.py	316	"c": '{"y": null}',
HIGH	py-polars/tests/unit/io/test_json.py	226	assert out == '{"a":1,"b":"a"}\n{"a":2,"b":"b"}\n{"a":3,"b":null}\n'
HIGH	py-polars/tests/unit/io/test_json.py	373	{"id": 1, "zero_column": 0, "empty_array_column": [], "empty_object_column": {}, "null_column": null}
HIGH	py-polars/tests/unit/io/test_json.py	374	{"id": 2, "zero_column": 0, "empty_array_column": [], "empty_object_column": {}, "null_column": null}
HIGH	py-polars/tests/unit/io/test_json.py	375	{"id": 3, "zero_column": 0, "empty_array_column": [], "empty_object_column": {}, "null_column": null}
HIGH	py-polars/tests/unit/io/test_json.py	376	{"id": 4, "zero_column": 0, "empty_array_column": [], "empty_object_column": {}, "null_column": null}
HIGH	py-polars/tests/unit/io/test_json.py	594	{"a": null},
HIGH	py-polars/tests/unit/io/test_json.py	36	assert out == '[{"a":1,"b":"a"},{"a":2,"b":"b"},{"a":3,"b":null}]'
HIGH	py-polars/tests/unit/io/test_json.py	159	assert value == """[{"a":"1.00"},{"a":"2.00"},{"a":null}]"""
HIGH	py-polars/tests/unit/io/test_json.py	397	{"map": "a", "start_time": null, "end_time": null}
HIGH	py-polars/tests/unit/io/test_json.py	178	{"a": 5, "b": "foo", "c": null},
HIGH	py-polars/tests/unit/io/test_json.py	179	{"a": 11.4, "b": null, "c": true, "d": 8},
HIGH	py-polars/tests/unit/io/test_json.py	201	{"a": 5, "b": "foo", "c": null},
HIGH	py-polars/tests/unit/io/test_json.py	202	{"a": 11.4, "b": null, "c": true, "d": 8},
HIGH	py-polars/tests/unit/io/test_json.py	645	io.StringIO("""{"a":null,"b":null,"c":null}"""),
HIGH	py-polars/tests/unit/io/test_csv.py	1035	df.write_csv(f, null_value=null)
HIGH	py-polars/tests/unit/io/test_csv.py	1037	df_read = pl.read_csv(f, null_values=null)
HIGH	py-polars/tests/unit/io/test_csv.py	2410	assert df.equals(pl.read_csv(f, schema={"x": dtype}))
HIGH	py-polars/tests/unit/meta/test_errors.py	724	match=r"shift value 'n' is null, which currently returns a column of null values. This will become an error in t
HIGH	py-polars/tests/unit/operations/test_is_sorted.py	34	# left all-null, right 0 < null_count < len
141 more matches not shown…

Unused Imports1054 hits · 876 pts

Severity	File	Line
LOW	py-polars/tests/conftest.py	1
LOW	py-polars/tests/benchmark/test_group_by.py	10
LOW	py-polars/tests/benchmark/test_filter.py	3
LOW	py-polars/tests/benchmark/test_join_where.py	3
LOW	py-polars/tests/benchmark/interop/test_numpy.py	3
LOW	py-polars/tests/benchmark/data/__init__.py	3
LOW	py-polars/tests/benchmark/data/h2oai/__init__.py	3
LOW	py-polars/tests/unit/conftest.py	1
LOW	py-polars/tests/unit/test_schema.py	1
LOW	py-polars/tests/unit/series/test_to_list.py	1
LOW	py-polars/tests/unit/series/test_getitem.py	1
LOW	py-polars/tests/unit/series/test_item.py	1
LOW	py-polars/tests/unit/series/test_contains.py	1
LOW	py-polars/tests/unit/series/test_all_any.py	1
LOW	py-polars/tests/unit/series/test_series.py	1
LOW	…-polars/tests/unit/series/buffers/test_from_buffers.py	1
LOW	py-polars/tests/unit/series/buffers/test_from_buffer.py	1
LOW	py-polars/tests/unit/dataframe/test_from_dict.py	1
LOW	py-polars/tests/unit/dataframe/test_df.py	1
LOW	py-polars/tests/unit/dataframe/test_upsample.py	1
LOW	py-polars/tests/unit/dataframe/test_describe.py	1
LOW	py-polars/tests/unit/dataframe/test_null_count.py	1
LOW	py-polars/tests/unit/dataframe/test_getitem.py	1
LOW	py-polars/tests/unit/dataframe/test_glimpse.py	1
LOW	py-polars/tests/unit/dataframe/test_repr.py	1
LOW	py-polars/tests/unit/dataframe/test_item.py	1
LOW	py-polars/tests/unit/dataframe/test_to_dict.py	1
LOW	py-polars/tests/unit/dataframe/test_serde.py	1
LOW	py-polars/tests/unit/datatypes/test_duration.py	1
LOW	py-polars/tests/unit/datatypes/test_utils.py	1
LOW	py-polars/tests/unit/datatypes/test_extension.py	1
LOW	py-polars/tests/unit/datatypes/test_list.py	1
LOW	py-polars/tests/unit/datatypes/test_datatypes.py	1
LOW	py-polars/tests/unit/datatypes/test_parse.py	1
LOW	py-polars/tests/unit/datatypes/test_decimal.py	1
LOW	py-polars/tests/unit/datatypes/test_temporal.py	1
LOW	py-polars/tests/unit/datatypes/test_categorical.py	1
LOW	py-polars/tests/unit/datatypes/test_struct.py	1
LOW	py-polars/tests/unit/datatypes/test_bool.py	1
LOW	py-polars/tests/unit/datatypes/test_null.py	1
LOW	py-polars/tests/unit/datatypes/test_categories.py	1
LOW	py-polars/tests/unit/datatypes/test_object.py	1
LOW	py-polars/tests/unit/datatypes/test_datatype_exprs.py	1
LOW	py-polars/tests/unit/datatypes/test_enum.py	2
LOW	py-polars/tests/unit/interop/test_arrow_stream_error.py	3
LOW	py-polars/tests/unit/interop/test_from_pandas.py	1
LOW	py-polars/tests/unit/interop/test_to_init_repr.py	1
LOW	py-polars/tests/unit/interop/test_to_init_repr.py	3
LOW	py-polars/tests/unit/interop/test_interop.py	1
LOW	py-polars/tests/unit/interop/test_to_pandas.py	1
LOW	py-polars/tests/unit/interop/numpy/test_to_numpy_df.py	1
LOW	py-polars/tests/unit/interop/numpy/test_ufunc_expr.py	1
LOW	…-polars/tests/unit/interop/numpy/test_from_numpy_df.py	1
LOW	…olars/tests/unit/interop/numpy/test_to_numpy_series.py	1
LOW	…ars/tests/unit/interop/numpy/test_from_numpy_series.py	1
LOW	py-polars/tests/unit/io/test_ipc.py	1
LOW	py-polars/tests/unit/io/test_lazy_ipc.py	1
LOW	py-polars/tests/unit/io/test_parquet.py	1
LOW	py-polars/tests/unit/io/test_sink.py	1
LOW	py-polars/tests/unit/io/test_utils.py	1
994 more matches not shown…

Decorative Section Separators214 hits · 698 pts

Severity	File	Line	Snippet
MEDIUM	…polars-plan/src/plans/optimizer/slice_pushdown_expr.rs	310	// ┌──────►==◄─────┐ (current expr)
MEDIUM	…polars-plan/src/plans/optimizer/slice_pushdown_expr.rs	318	// ┌──────┐ ┌──────┐ │
MEDIUM	…polars-plan/src/plans/optimizer/slice_pushdown_expr.rs	320	// └──────┘ └──────┘
MEDIUM	…lars-plan/src/plans/conversion/type_coercion/binary.rs	439	// ┌─────────────────────┬─────────────────────┬──────┐
MEDIUM	…lars-plan/src/plans/conversion/type_coercion/binary.rs	443	// ╞═════════════════════╪═════════════════════╪══════╡
MEDIUM	…lars-plan/src/plans/conversion/type_coercion/binary.rs	447	// └─────────────────────┴─────────────────────┴──────┘
MEDIUM	…lars-plan/src/plans/conversion/type_coercion/binary.rs	461	// ┌─────────────────────────────────┬─────┬───────┐
MEDIUM	…lars-plan/src/plans/conversion/type_coercion/binary.rs	465	// ╞═════════════════════════════════╪═════╪═══════╡
MEDIUM	…lars-plan/src/plans/conversion/type_coercion/binary.rs	469	// └─────────────────────────────────┴─────┴───────┘
MEDIUM	crates/polars-plan/src/dsl/mod.rs	813	/// ╭────────┬────────╮
MEDIUM	crates/polars-plan/src/dsl/mod.rs	817	/// ╞════════╪════════╡
MEDIUM	crates/polars-plan/src/dsl/mod.rs	828	/// ╰────────┴────────╯
MEDIUM	crates/polars-row/src/lib.rs	144	//! ┌──────────┐ ┌─────┐
MEDIUM	crates/polars-row/src/lib.rs	145	//! │ "Bar" │ ───────────────▶│ 01 │
MEDIUM	crates/polars-row/src/lib.rs	146	//! └──────────┘ └─────┘
MEDIUM	crates/polars-row/src/lib.rs	147	//! ┌──────────┐ ┌─────┬─────┐
MEDIUM	crates/polars-row/src/lib.rs	148	//! │"Fabulous"│ ───────────────▶│ 01 │ 02 │
MEDIUM	crates/polars-row/src/lib.rs	149	//! └──────────┘ └─────┴─────┘
MEDIUM	crates/polars-row/src/lib.rs	150	//! ┌──────────┐ ┌─────┐
MEDIUM	crates/polars-row/src/lib.rs	151	//! │ "Soup" │ ───────────────▶│ 05 │
MEDIUM	crates/polars-row/src/lib.rs	152	//! └──────────┘ └─────┘
MEDIUM	crates/polars-row/src/lib.rs	153	//! ┌──────────┐ ┌─────┐
MEDIUM	crates/polars-row/src/lib.rs	154	//! │ "ZZ" │ ───────────────▶│ 07 │
MEDIUM	crates/polars-row/src/lib.rs	155	//! └──────────┘ └─────┘
MEDIUM	crates/polars-row/src/lib.rs	162	//! ┌─────┬─────┬─────┬─────┐
MEDIUM	crates/polars-row/src/lib.rs	164	//! └─────┴─────┴─────┴─────┘
MEDIUM	crates/polars-row/src/lib.rs	166	//! ┌─────┬─────┬─────┐
MEDIUM	crates/polars-row/src/lib.rs	168	//! └─────┴─────┴─────┘
MEDIUM	crates/polars-row/src/lib.rs	170	//! ┌─────┐
MEDIUM	crates/polars-row/src/lib.rs	172	//! └─────┘
MEDIUM	crates/polars-row/src/lib.rs	188	//! ┌───────┬────────────────────────┬───────┐
MEDIUM	crates/polars-row/src/lib.rs	190	//! └───────┴────────────────────────┴───────┘
MEDIUM	crates/polars-row/src/lib.rs	196	//! ┌───────┬───────────────┬───────┬─────────┬───────┐
MEDIUM	crates/polars-row/src/lib.rs	198	//! └───────┴───────────────┴───────┴─────────┴───────┘
MEDIUM	crates/polars-row/src/lib.rs	239	//! └──── rows ────┘ └───────── row lengths ─────────┘ └─ count ─┘
MEDIUM	crates/polars/src/docs/eager.rs	371	//! // ╭─────┬─────╮
MEDIUM	crates/polars/src/docs/eager.rs	375	//! // ╞═════╪═════╡
MEDIUM	crates/polars/src/docs/eager.rs	379	//! // ╰─────┴─────╯
MEDIUM	crates/polars/src/docs/lazy.rs	60	//! // ╭─────┬─────╮
MEDIUM	crates/polars/src/docs/lazy.rs	64	//! // ╞═════╪═════╡
MEDIUM	crates/polars/src/docs/lazy.rs	66	//! // ╰─────┴─────╯
MEDIUM	crates/polars/src/docs/lazy.rs	90	//! // ╭─────┬─────╮
MEDIUM	crates/polars/src/docs/lazy.rs	94	//! // ╞═════╪═════╡
MEDIUM	crates/polars/src/docs/lazy.rs	98	//! // ╰─────┴─────╯
MEDIUM	crates/polars/src/docs/lazy.rs	148	//! // ╭─────┬─────┬─────┬──────┬─────────╮
MEDIUM	crates/polars/src/docs/lazy.rs	152	//! // ╞═════╪═════╪═════╪══════╪═════════╡
MEDIUM	crates/polars/src/docs/lazy.rs	159	//! // ╰─────┴─────┴─────┴──────┴─────────╯
MEDIUM	crates/polars/src/docs/lazy.rs	218	//! // ╭───────┬───────┬───────┬────────────╮
MEDIUM	crates/polars/src/docs/lazy.rs	222	//! // ╞═══════╪═══════╪═══════╪════════════╡
MEDIUM	crates/polars/src/docs/lazy.rs	233	//! // ╰───────┴───────┴───────┴────────────╯
MEDIUM	py-polars/pyproject.toml	217	# ------------------------------------------------------------------
MEDIUM	py-polars/pyproject.toml	219	# ------------------------------------------------------------------
MEDIUM	py-polars/pyproject.toml	223	# ------------------------------------------------------------------
MEDIUM	py-polars/requirements-dev.txt	14	# ------------
MEDIUM	py-polars/requirements-dev.txt	16	# ------------
MEDIUM	py-polars/requirements-ci.txt	1	# -------------------------------------------------------
MEDIUM	py-polars/requirements-ci.txt	4	# -------------------------------------------------------
MEDIUM	py-polars/tests/unit/dataframe/test_from_dict.py	21	# ┌─────┬─────┐
MEDIUM	py-polars/tests/unit/dataframe/test_from_dict.py	25	# ╞═════╪═════╡
MEDIUM	py-polars/tests/unit/dataframe/test_from_dict.py	28	# └─────┴─────┘
154 more matches not shown…

Over-Commented Block651 hits · 602 pts

Severity	File	Line	Snippet
LOW	crates/polars-buffer/src/buffer.rs	1	use std::ops::{Deref, Range, RangeBounds};
LOW	crates/polars-buffer/src/buffer.rs	21	/// ```
LOW	crates/polars-buffer/src/buffer.rs	181	// SAFETY: invariant of this struct `offset + length <= data.len()`.
LOW	crates/polars-buffer/src/buffer.rs	241	/// the index `mid` itself) and the second will contain all
LOW	crates/polars-expr/src/hash_keys.rs	201
LOW	crates/polars-expr/src/expressions/window.rs	141	// The example below shows the naive version without group tuple mapping
LOW	crates/polars-expr/src/expressions/window.rs	301	match (self.mapping, ac.agg_state()) {
LOW	crates/polars-expr/src/expressions/window.rs	361	// this stores all group values on the original df size
LOW	crates/polars-expr/src/expressions/mod.rs	141	/// 1. already aggregated as list
LOW	crates/polars-expr/src/expressions/mod.rs	521	AggState::LiteralScalar(c) => (c, groups),
LOW	crates/polars-expr/src/expressions/mod.rs	541	// [0, 1],
LOW	crates/polars-expr/src/expressions/mod.rs	721	/// Think of sort, slice, filter, shift, etc.
LOW	crates/polars-expr/src/expressions/apply.rs	481	// multiple inputs to have a compatible data layout as it invokes `flat_naive()`.
LOW	crates/polars-expr/src/expressions/apply.rs	501	// - el = elementwise, no need to aggregate() NotAgg
LOW	crates/polars-expr/src/expressions/apply.rs	521	// groups_diverge \| el+agg \| ga
LOW	crates/polars-mem-engine/src/scan_predicate/mod.rs	21	/// All the expressions and metadata used to filter out rows using predicates.
LOW	crates/polars-plan/src/bin/dsl-schema.rs	1	//! A tool for working with DSL schema.
LOW	crates/polars-plan/src/plans/options.rs	61	/// expression is the output name.
LOW	crates/polars-plan/src/plans/options.rs	81	/// the following functions based on the output type and number of elements:
LOW	…polars-plan/src/plans/optimizer/slice_pushdown_expr.rs	301	// We propagate upwards the position of the last non-elementwise node(s), these represent
LOW	…olars-plan/src/plans/optimizer/collapse_and_project.rs	1	use std::collections::BTreeSet;
LOW	…ars-plan/src/plans/optimizer/parquet_metadata_prune.rs	1	//! Prune `FileScanIR::Parquet::metadata` to projected + predicate columns.
LOW	…rs-plan/src/plans/optimizer/predicate_pushdown/join.rs	761	let mut project_to_original: Option<Vec<ExprIR>> = None;
LOW	…es/polars-plan/src/plans/optimizer/cse/cache_states.rs	61	// Only filter and projection nodes are allowed, any other node we stop.
LOW	…es/polars-plan/src/plans/optimizer/cse/cache_states.rs	81	// \|--------------------\|-------------------\|
LOW	…es/polars-plan/src/plans/optimizer/cse/cache_states.rs	101	// \|
LOW	crates/polars-plan/src/plans/optimizer/cse/csee.rs	261	Entered(usize),
LOW	crates/polars-plan/src/plans/optimizer/cse/csee.rs	301	}
LOW	crates/polars-plan/src/plans/optimizer/cse/csee.rs	321	//
LOW	crates/polars-plan/src/plans/optimizer/cse/csee.rs	341	// post-visit: col(bar) EEE EEI id: col(bar)
LOW	crates/polars-plan/src/plans/optimizer/cse/csee.rs	601	// Expression tree with [pre-visit,post-visit] indices
LOW	crates/polars-plan/src/plans/optimizer/cse/csee.rs	621	// in this tree `col(foo).sum()` should be post-visited/mutated
LOW	crates/polars-plan/src/plans/python/pyarrow.rs	141	#[cfg(feature = "dtype-struct")]
LOW	…ates/polars-plan/src/plans/conversion/convert_utils.rs	1	use super::*;
LOW	…lars-plan/src/plans/conversion/type_coercion/binary.rs	421	if dtype_lhs == lit_rhs.dtype() {
LOW	…lars-plan/src/plans/conversion/type_coercion/binary.rs	441	// │ --- ┆ --- ┆ --- │
LOW	crates/polars-plan/src/plans/aexpr/minterm_iter.rs	1	use polars_utils::arena::{Arena, Node};
LOW	crates/polars-plan/src/plans/aexpr/determinism.rs	1	use polars_utils::idx_vec::UnitVec;
LOW	crates/polars-plan/src/plans/aexpr/determinism.rs	41	#[cfg(feature = "dtype-struct")]
LOW	crates/polars-plan/src/plans/aexpr/or_factoring.rs	1	//! OR factoring: `(A∧X) ∨ (A∧Y) → A ∧ (X∨Y)`
LOW	crates/polars-plan/src/plans/aexpr/predicates/mod.rs	41	/// is `true` iff a null was dropped; under `nulls_equal=true` the caller must
LOW	…polars-plan/src/plans/aexpr/predicates/skip_batches.rs	21	///
LOW	…ates/polars-plan/src/plans/aexpr/properties/general.rs	201	/// e.g. non-strict cast
LOW	crates/polars-plan/src/frame/opt_state.rs	21	/// Run common-subplan-elimination. This elides duplicate plans and caches their
LOW	crates/polars-plan/src/dsl/list.rs	201	}
LOW	crates/polars-plan/src/dsl/arity.rs	81
LOW	crates/polars-plan/src/dsl/arity.rs	101	// .otherwise( \|
LOW	crates/polars-plan/src/dsl/mod.rs	381	/// # use polars_core::prelude::*;
LOW	crates/polars-plan/src/dsl/mod.rs	781	/// This is similar to a group_by + aggregation + self join.
LOW	crates/polars-plan/src/dsl/mod.rs	801	/// sum("values").over([col("groups")]),
LOW	crates/polars-plan/src/dsl/mod.rs	1041	/// # Example
LOW	crates/polars-plan/src/dsl/mod.rs	1441	self.map_binary(FunctionExpr::Diff(null_behavior), n)
LOW	crates/polars-plan/src/dsl/mod.rs	1521	/// If `ignore_nulls` is `False`, [Kleene logic] is used to deal with nulls:
LOW	crates/polars-plan/src/dsl/string.rs	201	/// Pad the end of the string until it reaches the given length.
LOW	crates/polars-plan/src/dsl/string.rs	461	self.0.map_unary(StringFunction::Titlecase)
LOW	crates/polars-plan/src/dsl/name.rs	1	#[cfg(feature = "dtype-struct")]
LOW	crates/polars-plan/src/dsl/options/mod.rs	281	#[derive(Clone, Debug, Eq, PartialEq, Default, Hash)]
LOW	crates/polars-plan/src/dsl/functions/selectors.rs	1	use super::*;
LOW	crates/polars-plan/src/dsl/functions/temporal.rs	21	/// at once.
LOW	crates/polars-plan/src/dsl/functions/temporal.rs	221	time_zone,
591 more matches not shown…

Deep Nesting129 hits · 126 pts

Severity	File	Line
LOW	py-polars/tests/conftest.py	25
LOW	py-polars/tests/conftest.py	110
LOW	py-polars/tests/unit/datatypes/test_float.py	149
LOW	py-polars/tests/unit/io/test_delta_deletion_vector.py	167
LOW	py-polars/tests/unit/meta/test_config.py	604
LOW	py-polars/tests/unit/meta/test_api.py	129
LOW	py-polars/tests/unit/operations/test_bitwise.py	89
LOW	…polars/tests/unit/operations/test_row_encoding_sort.py	37
LOW	py-polars/tests/unit/operations/test_slice.py	404
LOW	py-polars/tests/unit/operations/test_inequality_join.py	312
LOW	…-polars/tests/unit/operations/test_group_by_dynamic.py	1213
LOW	…polars/tests/unit/functions/range/test_linear_space.py	31
LOW	py-polars/tests/unit/lazyframe/test_optimizations.py	283
LOW	py-polars/src/polars/selectors.py	273
LOW	py-polars/src/polars/selectors.py	1017
LOW	py-polars/src/polars/selectors.py	1207
LOW	py-polars/src/polars/selectors.py	358
LOW	py-polars/src/polars/series/series.py	9721
LOW	py-polars/src/polars/series/series.py	266
LOW	py-polars/src/polars/series/series.py	849
LOW	py-polars/src/polars/series/series.py	1153
LOW	py-polars/src/polars/series/series.py	1620
LOW	py-polars/src/polars/series/series.py	4782
LOW	py-polars/src/polars/series/utils.py	26
LOW	py-polars/src/polars/_utils/slice.py	83
LOW	py-polars/src/polars/_utils/slice.py	124
LOW	py-polars/src/polars/_utils/various.py	294
LOW	py-polars/src/polars/_utils/various.py	311
LOW	py-polars/src/polars/_utils/various.py	523
LOW	py-polars/src/polars/_utils/various.py	680
LOW	py-polars/src/polars/_utils/deprecation.py	334
LOW	py-polars/src/polars/_utils/serde.py	34
LOW	py-polars/src/polars/_utils/getitem.py	50
LOW	py-polars/src/polars/_utils/getitem.py	182
LOW	py-polars/src/polars/_utils/getitem.py	291
LOW	py-polars/src/polars/_utils/udfs.py	345
LOW	py-polars/src/polars/_utils/udfs.py	1186
LOW	py-polars/src/polars/_utils/udfs.py	425
LOW	py-polars/src/polars/_utils/udfs.py	654
LOW	py-polars/src/polars/_utils/udfs.py	677
LOW	py-polars/src/polars/_utils/udfs.py	949
LOW	py-polars/src/polars/_utils/udfs.py	1050
LOW	py-polars/src/polars/_utils/udfs.py	1152
LOW	py-polars/src/polars/_utils/nest_asyncio.py	171
LOW	py-polars/src/polars/_utils/nest_asyncio.py	242
LOW	py-polars/src/polars/_utils/nest_asyncio.py	121
LOW	py-polars/src/polars/_utils/nest_asyncio.py	266
LOW	py-polars/src/polars/_utils/nest_asyncio.py	321
LOW	py-polars/src/polars/_utils/parse/expr.py	22
LOW	py-polars/src/polars/_utils/parse/expr.py	162
LOW	py-polars/src/polars/_utils/construction/dataframe.py	287
LOW	py-polars/src/polars/_utils/construction/dataframe.py	337
LOW	py-polars/src/polars/_utils/construction/dataframe.py	476
LOW	py-polars/src/polars/_utils/construction/dataframe.py	543
LOW	py-polars/src/polars/_utils/construction/dataframe.py	967
LOW	py-polars/src/polars/_utils/construction/dataframe.py	1213
LOW	py-polars/src/polars/_utils/construction/series.py	76
LOW	py-polars/src/polars/_utils/construction/series.py	447
LOW	py-polars/src/polars/_utils/construction/utils.py	86
LOW	py-polars/src/polars/dataframe/frame.py	378
69 more matches not shown…

AI Slop Vocabulary21 hits · 62 pts

Severity	File	Line	Snippet
MEDIUM	crates/polars-expr/src/expressions/structeval.rs	300	// elementwise top-level and not fallible. We leverage the reference dispatch for ApplyExpr,
MEDIUM	…polars-plan/src/plans/aexpr/predicates/skip_batches.rs	553	// Essentially, what this does is
MEDIUM	crates/polars-core/src/series/arithmetic/list.rs	271	// * Essentially as if the NULL primitive was added to every primitive in the row of the list column.
MEDIUM	crates/polars-core/src/chunked_array/mod.rs	122	/// When multiplying two [`ChunkedArray`]s with different chunk sizes they cannot utilize [SIMD](https://en.wikipedia.or
MEDIUM	crates/polars-core/src/chunked_array/logical/time.rs	12	// Invalid time values are replaced with `null` during the arrow cast. We utilize the
MEDIUM	crates/polars-core/src/frame/column/mod.rs	720	// We utilize the aggregation on Series to see:
MEDIUM	crates/polars-arrow/src/array/mod.rs	547	/// This is an API to leverage clone-on-write
MEDIUM	crates/polars-arrow/src/array/utf8/mutable.rs	222	/// This is an API to leverage clone-on-write
MEDIUM	crates/polars-arrow/src/array/utf8/mod.rs	480	/// This is an API to leverage clone-on-write
MEDIUM	crates/polars-io/src/parquet/read/read_impl.rs	496	// faster. Essentially, it sees how many times it needs to switch between
MEDIUM	crates/polars-stream/src/nodes/joins/equi_join.rs	1022	// TODO: implement something more re-usable and robust.
MEDIUM	crates/polars/tests/it/io/parquet/read/mod.rs	3	/// In comparison to Arrow, this in-memory format does not leverage logical types nor SIMD operations,
MEDIUM	py-polars/tests/unit/io/test_spreadsheet.py	628	# read multiple sheets in conjunction with 'schema_overrides'
MEDIUM	py-polars/tests/unit/io/test_delta_deletion_vector.py	29	# explicitly not comprehensive and should be used with care.
MEDIUM	…ests/unit/operations/namespaces/temporal/test_round.py	123	# Definitely uses slowpath:
MEDIUM	…s/unit/operations/namespaces/temporal/test_truncate.py	120	# Definitely uses slowpath:
MEDIUM	…/tests/unit/testing/parametric/strategies/test_core.py	301	# ensure dtype constraint works in conjunction with 'n' cols
MEDIUM	py-polars/tests/unit/constructors/test_constructors.py	253	# in conjunction with full 'columns' override (rename/downcast)
MEDIUM	py-polars/src/polars/_utils/construction/series.py	358	# # Essentially, when given a [0, u64::MAX] then it would Overflow.
MEDIUM	py-polars/src/polars/io/spreadsheet/_write_utils.py	239	"""Insert dummy frame columns in order to create empty/named table columns."""
MEDIUM	py-polars/src/polars/functions/col.py	120	# note: using `co_qualname` is more robust; can additionally

Cross-File Repetition9 hits · 45 pts

Severity	File	Snippet
HIGH	py-polars/tests/unit/io/database/test_read.py	select cast(strftime('%y',"date") as int) as "year", name, value from test_data where value < {n}
HIGH	py-polars/tests/unit/io/database/test_read.py	select cast(strftime('%y',"date") as int) as "year", name, value from test_data where value < {n}
HIGH	py-polars/tests/unit/io/database/test_read.py	select cast(strftime('%y',"date") as int) as "year", name, value from test_data where value < {n}
HIGH	py-polars/tests/unit/io/database/test_read.py	select cast(strftime('%y',"date") as int) as "year", name, value from test_data where value between {param_1} and {param
HIGH	py-polars/tests/unit/io/database/test_read.py	select cast(strftime('%y',"date") as int) as "year", name, value from test_data where value between {param_1} and {param
HIGH	py-polars/tests/unit/io/database/test_read.py	select cast(strftime('%y',"date") as int) as "year", name, value from test_data where value between {param_1} and {param
HIGH	py-polars/src/polars/string_cache.py	does nothing. .. deprecated:: 1.41.0 the string cache was used to maintain the mapping for the categorical dtype, this i
HIGH	py-polars/src/polars/string_cache.py	does nothing. .. deprecated:: 1.41.0 the string cache was used to maintain the mapping for the categorical dtype, this i
HIGH	py-polars/src/polars/string_cache.py	does nothing. .. deprecated:: 1.41.0 the string cache was used to maintain the mapping for the categorical dtype, this i

Self-Referential Comments13 hits · 38 pts

Severity	File	Line	Snippet
MEDIUM	py-polars/tests/unit/datatypes/test_list.py	117	# Create a left relation where the join column contains a null value.
MEDIUM	py-polars/tests/unit/datatypes/test_list.py	123	# Create a right relation where there is a column to count distinct on.
MEDIUM	py-polars/tests/unit/datatypes/test_temporal.py	2368	# Create a Series where the null value is backed by a value which would
MEDIUM	py-polars/tests/unit/interop/test_interop.py	374	# Create a pyarrow table with a list[null] column.
MEDIUM	py-polars/tests/unit/interop/test_interop.py	349	# Create an enum / categorical / dictionary typed pyarrow array
MEDIUM	py-polars/tests/unit/interop/test_interop.py	872	# Create a dataset with 3 rows
MEDIUM	py-polars/tests/unit/io/test_parquet.py	140	# Create a dataframe with 3 chunks:
MEDIUM	py-polars/tests/unit/io/test_delta_deletion_vector.py	27	# This file contains temporary homegrown logic with the sole purpose of generating
MEDIUM	…s/unit/operations/namespaces/temporal/test_datetime.py	615	# Define a DataFrame with columns for datetime, date, and time
MEDIUM	py-polars/tests/unit/sql/test_set_ops.py	111	# Create a context and register the tables
MEDIUM	py-polars/src/polars/_plr.py	1	# This module represents the Rust API functions exposed to Python through PyO3. We do a
MEDIUM	…ython/user-guide/expressions/user-defined-functions.py	108	# Create a struct that has two columns in it:
MEDIUM	.github/workflows/release-python.yml	10	# Create the sdist and build the wheels, but do not publish to PyPI / GitHub.

Excessive Try-Catch Wrapping25 hits · 26 pts

Severity	File	Line	Snippet
LOW	py-polars/tests/unit/io/test_skip_batch_predicate.py	195	except Exception as _:
LOW	py-polars/tests/unit/io/test_skip_batch_predicate.py	228	except Exception as _:
LOW	py-polars/tests/unit/io/test_delta_deletion_vector.py	216	except Exception:
LOW	py-polars/tests/unit/io/test_multiscan.py	226	except Exception as _:
LOW	py-polars/tests/unit/meta/test_api.py	139	except Exception:
LOW	py-polars/src/polars/_cpu_check.py	66	except Exception:
LOW	py-polars/src/polars/series/utils.py	185	except Exception:
LOW	py-polars/src/polars/datatypes/convert.py	352	except Exception:
LOW	py-polars/src/polars/catalog/unity/client.py	665	except Exception as e:
LOW	py-polars/src/polars/io/plugins.py	86	except Exception as e:
LOW	py-polars/src/polars/io/database/_executor.py	249	except Exception as err:
LOW	py-polars/src/polars/io/iceberg/_dataset.py	172	except Exception as error:
LOW	py-polars/src/polars/io/iceberg/_utils.py	395	except Exception as e:
LOW	…rs/src/polars/io/cloud/credential_provider/_builder.py	220	except Exception as e:
LOW	…/src/polars/io/cloud/credential_provider/_providers.py	427	except Exception as e:
LOW	…/src/polars/io/cloud/credential_provider/_providers.py	492	except Exception:
MEDIUM	…/src/polars/io/cloud/credential_provider/_providers.py	489	def _azcli_version(cls) -> str \| None:
LOW	py-polars/src/polars/meta/versions.py	117	except Exception:
LOW	py-polars/src/polars/convert/general.py	1158	except Exception as exc:
LOW	py-polars/src/polars/lazyframe/frame.py	832	except Exception:
MEDIUM	py-polars/src/polars/lazyframe/frame.py	822	def _repr_html_(self) -> str:
LOW	docs/source/_build/scripts/people.py	35	except Exception as e:
LOW	docs/source/src/python/user-guide/io/hive.py	79	except Exception as e:
LOW	…urce/src/python/user-guide/expressions/categoricals.py	156	except Exception as e:
LOW	docs/source/src/python/user-guide/lazy/schema.py	19	except Exception as e:

Synthetic Comment Markers2 hits · 12 pts

Severity	File	Line	Snippet
HIGH	…stream/src/nodes/io_sources/ipc/record_batch_decode.rs	35	// Rows as requested, relative to the start of the Record Batch.
HIGH	docs/source/development/contributing/index.md	307	- If your contribution contains code generated by AI you must:

Fake / Example Data8 hits · 12 pts

Severity	File	Line	Snippet
LOW	crates/polars/tests/it/io/csv.rs	418	-86.64408227,"Lorem Ipsum is simply dummy text of the printing and typesetting
LOW	crates/polars/tests/it/io/csv.rs	419	industry. Lorem Ipsum has been the industry's standard dummy text ever since th
LOW	crates/polars/tests/it/io/csv.rs	423	in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages,
LOW	crates/polars/tests/it/io/csv.rs	425	versions of Lorem Ipsum.",11
LOW	crates/polars/tests/it/io/csv.rs	436	r#"Lorem Ipsum is simply dummy text of the printing and typesetting
LOW	crates/polars/tests/it/io/csv.rs	437	industry. Lorem Ipsum has been the industry's standard dummy text ever since th
LOW	crates/polars/tests/it/io/csv.rs	441	in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages,
LOW	crates/polars/tests/it/io/csv.rs	443	versions of Lorem Ipsum."#,

Redundant / Tautological Comments7 hits · 10 pts

Severity	File	Line	Snippet
LOW	py-polars/tests/unit/io/test_delta_deletion_vector.py	260	# Set statistics to pre-deletion-vector values
LOW	py-polars/tests/unit/operations/test_is_in.py	250	# Check if empty list is converted to pl.String
LOW	…rs/tests/unit/operations/arithmetic/test_arithmetic.py	211	# Check if fused is turned off for literals see: #9857
LOW	py-polars/tests/unit/lazyframe/test_cse.py	899	# Check if output is stable
LOW	py-polars/tests/docs/run_doctest.py	116	# Set doctests to fail on warnings
LOW	py-polars/src/polars/_utils/various.py	155	# Check if an object is a sequence of `tp`, only sniffing the first element.
LOW	docs/source/_build/scripts/macro.py	183	# Check if file exists for the language

Slop Phrases3 hits · 5 pts

Severity	File	Line	Snippet
LOW	…ts/unit/operations/map/test_inefficient_map_warning.py	576	# make sure to keep the `^` and `$`, and the assertion on `len(warnings)`
LOW	docs/source/src/python/polars-cloud/remote-query.py	41	# make sure to enter your own workspace name
MEDIUM	…le/derive_expression/expression_lib/src/expressions.rs	205	/// This expression is for demonstration purposes as we have a dedicated

Dead Code1 hit · 2 pts

Severity	File	Line	Snippet
MEDIUM	py-polars/tests/unit/interop/test_arrow_stream_error.py	22

Verbosity Indicators1 hit · 2 pts

Severity	File	Line	Snippet
LOW	crates/polars-io/src/path_utils/mod.rs	223	// We need to check if it is a directory for local paths (we can be here due

Overly Generic Function Names1 hit · 1 pts

Severity	File	Line	Snippet
LOW	py-polars/src/polars/lazyframe/opt_flags.py	290	def helper(f: QueryOptFlags, field_name: str, value: bool) -> QueryOptFlags: # noqa: FBT001

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