Remove deprecated Series.data (#20914)

xref #20281

Deprecated in 25.12 (this is not pandas 3 related)

Authors:
  - Matthew Roeschke (https://github.com/mroeschke)
  - GALI PREM SAGAR (https://github.com/galipremsagar)

Approvers:
  - GALI PREM SAGAR (https://github.com/galipremsagar)

URL: #20914

Author: mroeschke

docs/cudf/source/user_guide/api_docs/series.rst

@@ -22,7 +22,6 @@ Attributes
    Series.iat
    Series.index
    Series.values
-   Series.data
    Series.dtype
    Series.dtypes
    Series.shape

python/cudf/cudf/core/series.py

@@ -2001,36 +2001,6 @@ def to_pandas(
         res.attrs = self.attrs
         return res
 
-    @property
-    @_performance_tracking
-    def data(self):
-        """The gpu buffer for the data
-
-        Returns
-        -------
-        out : The GPU buffer of the Series.
-
-        Examples
-        --------
-        >>> import cudf
-        >>> series = cudf.Series([1, 2, 3, 4])
-        >>> series
-        0    1
-        1    2
-        2    3
-        3    4
-        dtype: int64
-        >>> np.array(series.data.memoryview())
-        array([1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0,
-               0, 0, 4, 0, 0, 0, 0, 0, 0, 0], dtype=uint8)
-        """
-        warnings.warn(
-            "Series.data is deprecated and will be removed in a future version. "
-            "Use Series.to_pylibcudf()[0].data() instead.",
-            FutureWarning,
-        )
-        return self._column.data
-
     @_performance_tracking
     def astype(
         self,

python/cudf/cudf/pandas/scripts/conftest-patch.py

@@ -10457,6 +10457,7 @@ def set_copy_on_write_option():
     "tests/indexing/test_iloc.py::TestILocErrors::test_iloc_float_raises[uint64-Series]",
     "tests/indexing/test_iloc.py::TestiLocBaseIndependent::test_setitem_mix_of_nan_and_interval[NaTType-1.0]",
     "tests/indexing/test_iloc.py::TestiLocBaseIndependent::test_setitem_mix_of_nan_and_interval[NaTType-a]",
+    "tests/indexing/test_iloc.py::TestiLocBaseIndependent::test_setitem_mix_of_nan_and_interval[NAType-a]",
     "tests/indexing/test_iloc.py::TestiLocBaseIndependent::test_setitem_mix_of_nan_and_interval[float1-1.0]",
     "tests/indexing/test_loc.py::TestLocWithMultiIndex::test_loc_set_nan_in_categorical_series[Int16]",
     "tests/io/excel/test_openpyxl.py::test_engine_kwargs_append_data_only[True-0]",

python/cudf/cudf/tests/series/test_attributes.py

@@ -437,9 +437,3 @@ def test_series_values_property(data):
     gds_vals = gds.values
     assert isinstance(gds_vals, cp.ndarray)
     np.testing.assert_array_equal(gds_vals.get(), pds.values)
-
-
-def test_series_data_property_deprecated():
-    s = cudf.Series([1, 2, 3])
-    with pytest.warns(FutureWarning, match="Series.data is deprecated"):
-        s.data