Deprecate parameters similar to pandas 2.2 (#14984)

For comparison:

pandas-dev/pandas#55856
pandas-dev/pandas#55895
pandas-dev/pandas#55499

The `errors="ignore"` parameter is the only one that is implemented so just added a test for that deprecation

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

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

URL: #14984

python/cudf/cudf/core/index.py

@@ -2402,6 +2402,11 @@ def __init__(
             raise NotImplementedError("freq is not yet supported")
 
         if unit is not None:
+            warnings.warn(
+                "The 'unit' keyword is "
+                "deprecated and will be removed in a future version. ",
+                FutureWarning,
+            )
             raise NotImplementedError(
                 "unit is not yet supported, alternatively "
                 "dtype parameter is supported"

python/cudf/cudf/core/indexed_frame.py

@@ -3921,6 +3921,12 @@ def resample(
         """
         import cudf.core.resample
 
+        if kind is not None:
+            warnings.warn(
+                "The 'kind' keyword in is "
+                "deprecated and will be removed in a future version. ",
+                FutureWarning,
+            )
         if (axis, convention, kind, loffset, base, origin, offset) != (
             0,
             "start",

python/cudf/cudf/core/tools/datetimes.py

@@ -162,6 +162,14 @@ def to_datetime(
             f"{errors=} is not implemented when arg is not scalar-like"
         )
 
+    if errors == "ignore":
+        warnings.warn(
+            "errors='ignore' is deprecated and will raise in a future version. "
+            "Use to_datetime without passing `errors` and catch exceptions "
+            "explicitly instead",
+            FutureWarning,
+        )
+
     if infer_datetime_format in {None, False}:
         warnings.warn(
             "`infer_datetime_format` is deprecated and will "

python/cudf/cudf/core/tools/numeric.py

@@ -95,6 +95,13 @@ def to_numeric(arg, errors="raise", downcast=None):
 
     if errors not in {"raise", "ignore", "coerce"}:
         raise ValueError("invalid error value specified")
+    elif errors == "ignore":
+        warnings.warn(
+            "errors='ignore' is deprecated and will raise in a future version. "
+            "Use to_numeric without passing `errors` and catch exceptions "
+            "explicitly instead",
+            FutureWarning,
+        )
 
     if downcast not in {None, "integer", "signed", "unsigned", "float"}:
         raise ValueError("invalid downcasting method provided")

python/cudf/cudf/tests/test_datetime.py

@@ -2468,3 +2468,8 @@ def test_datetime_raise_warning(freqstr):
     )
     with pytest.warns(FutureWarning):
         t.dt.ceil(freqstr)
+
+
+def test_to_datetime_errors_ignore_deprecated():
+    with pytest.warns(FutureWarning):
+        cudf.to_datetime("2001-01-01 00:04:45", errors="ignore")

python/cudf/cudf/tests/test_numerical.py

@@ -5,7 +5,8 @@
 import pytest
 
 import cudf
-from cudf.testing._utils import NUMERIC_TYPES, assert_eq
+from cudf.core._compat import PANDAS_GE_220
+from cudf.testing._utils import NUMERIC_TYPES, assert_eq, expect_warning_if
 from cudf.utils.dtypes import np_dtypes_to_pandas_dtypes
 
 
@@ -372,8 +373,10 @@ def test_to_numeric_error(data, errors):
         ):
             cudf.to_numeric(data, errors=errors)
     else:
-        expect = pd.to_numeric(data, errors=errors)
-        got = cudf.to_numeric(data, errors=errors)
+        with expect_warning_if(PANDAS_GE_220 and errors == "ignore"):
+            expect = pd.to_numeric(data, errors=errors)
+        with expect_warning_if(errors == "ignore"):
+            got = cudf.to_numeric(data, errors=errors)
 
         assert_eq(expect, got)