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BUG: Fix NotImplementedError when comparing ArrowExtensionArray to range #63456

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BUG: Fix NotImplementedError when comparing ArrowExtensionArray to range #63456

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7fdbbf1
BUG: Fix NotImplementedError when comparing ArrowExtensionArray to range
harupy Dec 22, 2025
9653bb2
Update pandas/tests/extension/test_arrow.py
harupy Dec 23, 2025
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2 changes: 1 addition & 1 deletion pandas/core/arrays/arrow/array.py
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Original file line number Diff line number Diff line change
Expand Up @@ -905,7 +905,7 @@ def _cmp_method(self, other, op) -> ArrowExtensionArray:
pc_func = ARROW_CMP_FUNCS[op.__name__]
ltype = self._pa_array.type

if isinstance(other, (ExtensionArray, np.ndarray, list)):
if isinstance(other, (ExtensionArray, np.ndarray, list, range)):
try:
boxed = self._box_pa(other)
except pa.lib.ArrowInvalid:
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2 changes: 1 addition & 1 deletion pandas/core/ops/invalid.py
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Expand Up @@ -25,7 +25,7 @@

def invalid_comparison(
left: ArrayLike,
right: ArrayLike | list | Scalar,
right: ArrayLike | list | range | Scalar,
op: Callable[[Any, Any], bool],
) -> npt.NDArray[np.bool_]:
"""
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8 changes: 8 additions & 0 deletions pandas/tests/extension/test_arrow.py
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Expand Up @@ -3817,3 +3817,11 @@ def test_ufunc_retains_missing():

expected = pd.Series([np.sin(0.1), pd.NA], dtype="float64[pyarrow]")
tm.assert_series_equal(result, expected)


def test_comparison_with_range(data):
# GH#63429
ser = pd.Series(data)
result = ser == range(len(ser))
expected = np.array([False, False])
tm.assert_numpy_array_equal(result, expected)
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