diff --git a/pandas/compat/__init__.py b/pandas/compat/__init__.py index 1c08df80df477..caa00b205a29c 100644 --- a/pandas/compat/__init__.py +++ b/pandas/compat/__init__.py @@ -31,6 +31,7 @@ pa_version_under13p0, pa_version_under14p0, pa_version_under14p1, + pa_version_under16p0, ) if TYPE_CHECKING: @@ -187,6 +188,7 @@ def get_bz2_file() -> type[pandas.compat.compressors.BZ2File]: "pa_version_under13p0", "pa_version_under14p0", "pa_version_under14p1", + "pa_version_under16p0", "IS64", "ISMUSL", "PY310", diff --git a/pandas/compat/pyarrow.py b/pandas/compat/pyarrow.py index 5c9e885f8e9f5..5a96e5a4cc49a 100644 --- a/pandas/compat/pyarrow.py +++ b/pandas/compat/pyarrow.py @@ -15,6 +15,7 @@ pa_version_under14p0 = _palv < Version("14.0.0") pa_version_under14p1 = _palv < Version("14.0.1") pa_version_under15p0 = _palv < Version("15.0.0") + pa_version_under16p0 = _palv < Version("16.0.0") except ImportError: pa_version_under10p1 = True pa_version_under11p0 = True @@ -23,3 +24,4 @@ pa_version_under14p0 = True pa_version_under14p1 = True pa_version_under15p0 = True + pa_version_under16p0 = True diff --git a/pandas/tests/indexes/object/test_indexing.py b/pandas/tests/indexes/object/test_indexing.py index 039836da75cd5..34cc8eab4d812 100644 --- a/pandas/tests/indexes/object/test_indexing.py +++ b/pandas/tests/indexes/object/test_indexing.py @@ -7,6 +7,7 @@ NA, is_matching_na, ) +from pandas.compat import pa_version_under16p0 import pandas.util._test_decorators as td import pandas as pd @@ -201,7 +202,16 @@ class TestSliceLocs: (pd.IndexSlice["m":"m":-1], ""), # type: ignore[misc] ], ) - def test_slice_locs_negative_step(self, in_slice, expected, dtype): + def test_slice_locs_negative_step(self, in_slice, expected, dtype, request): + if ( + not pa_version_under16p0 + and dtype == "string[pyarrow_numpy]" + and in_slice == slice("a", "a", -1) + ): + request.applymarker( + pytest.mark.xfail(reason="https://github.com/apache/arrow/issues/40642") + ) + index = Index(list("bcdxy"), dtype=dtype) s_start, s_stop = index.slice_locs(in_slice.start, in_slice.stop, in_slice.step)