From 0a3577ed0ec83f6281dd250a252ea829cad91321 Mon Sep 17 00:00:00 2001
From: Amir <acb@REVWKS049.d2sim7.loc>
Date: Fri, 27 Sep 2024 13:49:38 +0200
Subject: [PATCH 1/6] Modified top-level name object on CategoricalDtype class
 by importing the set module decorator and decorating the class. Tested the
 modification by adding an assert statement to the already existing
 test_set_module test function

---
 pandas/core/dtypes/dtypes.py | 2 ++
 pandas/tests/api/test_api.py | 1 +
 2 files changed, 3 insertions(+)

diff --git a/pandas/core/dtypes/dtypes.py b/pandas/core/dtypes/dtypes.py
index bb6610c514375..7806abf10c4f8 100644
--- a/pandas/core/dtypes/dtypes.py
+++ b/pandas/core/dtypes/dtypes.py
@@ -48,6 +48,7 @@
 from pandas._libs.tslibs.offsets import BDay
 from pandas.compat import pa_version_under10p1
 from pandas.errors import PerformanceWarning
+from pandas.util._decorators import set_module
 from pandas.util._exceptions import find_stack_level
 
 from pandas.core.dtypes.base import (
@@ -155,6 +156,7 @@ class CategoricalDtypeType(type):
 
 
 @register_extension_dtype
+@set_module("pandas")
 class CategoricalDtype(PandasExtensionDtype, ExtensionDtype):
     """
     Type for categorical data with the categories and orderedness.
diff --git a/pandas/tests/api/test_api.py b/pandas/tests/api/test_api.py
index b23876d9280f7..962e9ff42b806 100644
--- a/pandas/tests/api/test_api.py
+++ b/pandas/tests/api/test_api.py
@@ -400,3 +400,4 @@ def test_util_in_top_level(self):
 
 def test_set_module():
     assert pd.DataFrame.__module__ == "pandas"
+    assert pd.CategoricalDtype.__module__ == "pandas"

From d028f957a26611991c2d07c370d8bb41d29e775f Mon Sep 17 00:00:00 2001
From: Amir <acb@REVWKS049.d2sim7.loc>
Date: Fri, 27 Sep 2024 14:10:30 +0200
Subject: [PATCH 2/6] Modified top-level name object on PeriodDtype
 IntervalDtype SparseDtype ArrowDtype clasess by decorating them with the set
 module decorator. Tested the modification by adding an assert statement to
 the already existing test_set_module test function

---
 pandas/core/dtypes/dtypes.py | 5 +++++
 pandas/tests/api/test_api.py | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/pandas/core/dtypes/dtypes.py b/pandas/core/dtypes/dtypes.py
index 7806abf10c4f8..004a1aab5436e 100644
--- a/pandas/core/dtypes/dtypes.py
+++ b/pandas/core/dtypes/dtypes.py
@@ -708,6 +708,7 @@ def index_class(self) -> type_t[CategoricalIndex]:
 
 
 @register_extension_dtype
+@set_module("pandas")
 class DatetimeTZDtype(PandasExtensionDtype):
     """
     An ExtensionDtype for timezone-aware datetime data.
@@ -976,6 +977,7 @@ def index_class(self) -> type_t[DatetimeIndex]:
 
 
 @register_extension_dtype
+@set_module("pandas")
 class PeriodDtype(PeriodDtypeBase, PandasExtensionDtype):
     """
     An ExtensionDtype for Period data.
@@ -1217,6 +1219,7 @@ def index_class(self) -> type_t[PeriodIndex]:
 
 
 @register_extension_dtype
+@set_module("pandas")
 class IntervalDtype(PandasExtensionDtype):
     """
     An ExtensionDtype for Interval data.
@@ -1693,6 +1696,7 @@ def _get_common_dtype(self, dtypes: list[DtypeObj]) -> DtypeObj | None:
 
 
 @register_extension_dtype
+@set_module("pandas")
 class SparseDtype(ExtensionDtype):
     """
     Dtype for data stored in :class:`SparseArray`.
@@ -2132,6 +2136,7 @@ def _get_common_dtype(self, dtypes: list[DtypeObj]) -> DtypeObj | None:
 
 
 @register_extension_dtype
+@set_module("pandas")
 class ArrowDtype(StorageExtensionDtype):
     """
     An ExtensionDtype for PyArrow data types.
diff --git a/pandas/tests/api/test_api.py b/pandas/tests/api/test_api.py
index 962e9ff42b806..bdee26dcb2127 100644
--- a/pandas/tests/api/test_api.py
+++ b/pandas/tests/api/test_api.py
@@ -401,3 +401,7 @@ def test_util_in_top_level(self):
 def test_set_module():
     assert pd.DataFrame.__module__ == "pandas"
     assert pd.CategoricalDtype.__module__ == "pandas"
+    assert pd.PeriodDtype.__module__ == "pandas"
+    assert pd.IntervalDtype.__module__ == "pandas"
+    assert pd.SparseDtype.__module__ == "pandas"
+    assert pd.ArrowDtype.__module__ == "pandas"

From 2da62af1c97e717dc7ca1e274f9f287e0ecdda07 Mon Sep 17 00:00:00 2001
From: Amir <acb@REVWKS049.d2sim7.loc>
Date: Fri, 27 Sep 2024 15:27:51 +0200
Subject: [PATCH 3/6] Modified top-level name object for all Indexes classes

---
 pandas/core/indexes/base.py       | 3 ++-
 pandas/core/indexes/datetimes.py  | 2 ++
 pandas/core/indexes/extension.py  | 4 +++-
 pandas/core/indexes/interval.py   | 2 ++
 pandas/core/indexes/multi.py      | 2 ++
 pandas/core/indexes/period.py     | 2 ++
 pandas/core/indexes/range.py      | 2 ++
 pandas/core/indexes/timedeltas.py | 2 ++
 pandas/tests/api/test_api.py      | 8 ++++++++
 9 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 852049804a4f5..b3155817247e0 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -71,6 +71,7 @@
     Appender,
     cache_readonly,
     doc,
+    set_module,
 )
 from pandas.util._exceptions import (
     find_stack_level,
@@ -314,7 +315,7 @@ def _new_Index(cls, d):
         d["dtype"] = d["data"].dtype
     return cls.__new__(cls, **d)
 
-
+@set_module("pandas")
 class Index(IndexOpsMixin, PandasObject):
     """
     Immutable sequence used for indexing and alignment.
diff --git a/pandas/core/indexes/datetimes.py b/pandas/core/indexes/datetimes.py
index 536f22d38468d..b3d9c3bc78a66 100644
--- a/pandas/core/indexes/datetimes.py
+++ b/pandas/core/indexes/datetimes.py
@@ -26,6 +26,7 @@
 from pandas.util._decorators import (
     cache_readonly,
     doc,
+    set_module,
 )
 
 from pandas.core.dtypes.common import is_scalar
@@ -126,6 +127,7 @@ def _new_DatetimeIndex(cls, d):
     + DatetimeArray._bool_ops,
     DatetimeArray,
 )
+@set_module("pandas")
 class DatetimeIndex(DatetimeTimedeltaMixin):
     """
     Immutable ndarray-like of datetime64 data.
diff --git a/pandas/core/indexes/extension.py b/pandas/core/indexes/extension.py
index 2eeacfb769be4..102f48827d4fc 100644
--- a/pandas/core/indexes/extension.py
+++ b/pandas/core/indexes/extension.py
@@ -10,7 +10,9 @@
     TypeVar,
 )
 
-from pandas.util._decorators import cache_readonly
+from pandas.util._decorators import (
+    cache_readonly,
+)
 
 from pandas.core.dtypes.generic import ABCDataFrame
 
diff --git a/pandas/core/indexes/interval.py b/pandas/core/indexes/interval.py
index 8feac890883eb..7af26b9827b83 100644
--- a/pandas/core/indexes/interval.py
+++ b/pandas/core/indexes/interval.py
@@ -32,6 +32,7 @@
 from pandas.util._decorators import (
     Appender,
     cache_readonly,
+    set_module,
 )
 from pandas.util._exceptions import rewrite_exception
 
@@ -202,6 +203,7 @@ def _new_IntervalIndex(cls, d):
     IntervalArray,
 )
 @inherit_names(["is_non_overlapping_monotonic", "closed"], IntervalArray, cache=True)
+@set_module("pandas")
 class IntervalIndex(ExtensionIndex):
     _typ = "intervalindex"
 
diff --git a/pandas/core/indexes/multi.py b/pandas/core/indexes/multi.py
index 9eccb7645fbe7..c555d262e7ece 100644
--- a/pandas/core/indexes/multi.py
+++ b/pandas/core/indexes/multi.py
@@ -53,6 +53,7 @@
     Appender,
     cache_readonly,
     doc,
+    set_module,
 )
 from pandas.util._exceptions import find_stack_level
 
@@ -194,6 +195,7 @@ def new_meth(self_or_cls, *args, **kwargs):
     return cast(F, new_meth)
 
 
+@set_module("pandas")
 class MultiIndex(Index):
     """
     A multi-level, or hierarchical, index object for pandas objects.
diff --git a/pandas/core/indexes/period.py b/pandas/core/indexes/period.py
index b5f05ef0ab78f..64444ccf5dc82 100644
--- a/pandas/core/indexes/period.py
+++ b/pandas/core/indexes/period.py
@@ -20,6 +20,7 @@
 from pandas.util._decorators import (
     cache_readonly,
     doc,
+    set_module,
 )
 
 from pandas.core.dtypes.common import is_integer
@@ -81,6 +82,7 @@ def _new_PeriodIndex(cls, **d):
     wrap=True,
 )
 @inherit_names(["is_leap_year"], PeriodArray)
+@set_module("pandas")
 class PeriodIndex(DatetimeIndexOpsMixin):
     """
     Immutable ndarray holding ordinal values indicating regular periods in time.
diff --git a/pandas/core/indexes/range.py b/pandas/core/indexes/range.py
index dc96d1c11db74..7eeaab3b0443f 100644
--- a/pandas/core/indexes/range.py
+++ b/pandas/core/indexes/range.py
@@ -27,6 +27,7 @@
 from pandas.util._decorators import (
     cache_readonly,
     doc,
+    set_module,
 )
 
 from pandas.core.dtypes.base import ExtensionDtype
@@ -74,6 +75,7 @@ def min_fitting_element(start: int, step: int, lower_limit: int) -> int:
     return start + abs(step) * no_steps
 
 
+@set_module("pandas")
 class RangeIndex(Index):
     """
     Immutable Index implementing a monotonic integer range.
diff --git a/pandas/core/indexes/timedeltas.py b/pandas/core/indexes/timedeltas.py
index 29039ffd0217e..6bbe86816d81f 100644
--- a/pandas/core/indexes/timedeltas.py
+++ b/pandas/core/indexes/timedeltas.py
@@ -13,6 +13,7 @@
     Timedelta,
     to_offset,
 )
+from pandas.util._decorators import set_module
 
 from pandas.core.dtypes.common import (
     is_scalar,
@@ -50,6 +51,7 @@
     ],
     TimedeltaArray,
 )
+@set_module("pandas")
 class TimedeltaIndex(DatetimeTimedeltaMixin):
     """
     Immutable Index of timedelta64 data.
diff --git a/pandas/tests/api/test_api.py b/pandas/tests/api/test_api.py
index bdee26dcb2127..fadbe7645744e 100644
--- a/pandas/tests/api/test_api.py
+++ b/pandas/tests/api/test_api.py
@@ -405,3 +405,11 @@ def test_set_module():
     assert pd.IntervalDtype.__module__ == "pandas"
     assert pd.SparseDtype.__module__ == "pandas"
     assert pd.ArrowDtype.__module__ == "pandas"
+    assert pd.Index.__module__ == "pandas"
+    assert pd.CategoricalIndex.__module__ == "pandas"
+    assert pd.DatetimeIndex.__module__ == "pandas"
+    assert pd.IntervalIndex.__module__ == "pandas"
+    assert pd.MultiIndex.__module__ == "pandas"
+    assert pd.PeriodIndex.__module__ == "pandas"
+    assert pd.RangeIndex.__module__ == "pandas"
+    assert pd.TimedeltaIndex.__module__ == "pandas"

From aa71f329607f6c5f134559abd08b334047edd3f0 Mon Sep 17 00:00:00 2001
From: Amir <acb@REVWKS049.d2sim7.loc>
Date: Fri, 27 Sep 2024 16:13:24 +0200
Subject: [PATCH 4/6] Modified top-level name object for all cython Type
 classes

---
 pandas/_libs/interval.pyx          | 2 ++
 pandas/_libs/tslibs/period.pyx     | 3 +++
 pandas/_libs/tslibs/timedeltas.pyx | 2 ++
 pandas/_libs/tslibs/timestamps.pyx | 3 ++-
 pandas/tests/api/test_api.py       | 4 ++++
 5 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/pandas/_libs/interval.pyx b/pandas/_libs/interval.pyx
index 564019d7c0d8c..294cd6542221a 100644
--- a/pandas/_libs/interval.pyx
+++ b/pandas/_libs/interval.pyx
@@ -41,6 +41,8 @@ from pandas._libs.tslibs.util cimport (
     is_integer_object,
 )
 
+from pandas.util._decorators import set_module
+
 VALID_CLOSED = frozenset(["left", "right", "both", "neither"])
 
 
diff --git a/pandas/_libs/tslibs/period.pyx b/pandas/_libs/tslibs/period.pyx
index c563ab91c4142..40760061ec60b 100644
--- a/pandas/_libs/tslibs/period.pyx
+++ b/pandas/_libs/tslibs/period.pyx
@@ -115,6 +115,8 @@ from pandas._libs.tslibs.offsets import (
     BDay,
 )
 
+from pandas.util._decorators import set_module
+
 cdef:
     enum:
         INT32_MIN = -2_147_483_648LL
@@ -2830,6 +2832,7 @@ cdef class _Period(PeriodMixin):
         return period_format(self.ordinal, base, fmt)
 
 
+@set_module("pandas")
 class Period(_Period):
     """
     Represents a period of time.
diff --git a/pandas/_libs/tslibs/timedeltas.pyx b/pandas/_libs/tslibs/timedeltas.pyx
index 84ca48c96459f..1ec86e424c70e 100644
--- a/pandas/_libs/tslibs/timedeltas.pyx
+++ b/pandas/_libs/tslibs/timedeltas.pyx
@@ -2,6 +2,7 @@ import collections
 import warnings
 
 from pandas.util._exceptions import find_stack_level
+from pandas.util._decorators import set_module
 
 cimport cython
 from cpython.object cimport (
@@ -1852,6 +1853,7 @@ cdef class _Timedelta(timedelta):
 # Python front end to C extension type _Timedelta
 # This serves as the box for timedelta64
 
+@set_module("pandas")
 class Timedelta(_Timedelta):
     """
     Represents a duration, the difference between two dates or times.
diff --git a/pandas/_libs/tslibs/timestamps.pyx b/pandas/_libs/tslibs/timestamps.pyx
index 34c84d396ad64..e320b80b7f8dd 100644
--- a/pandas/_libs/tslibs/timestamps.pyx
+++ b/pandas/_libs/tslibs/timestamps.pyx
@@ -51,6 +51,7 @@ from pandas._libs.tslibs cimport ccalendar
 from pandas._libs.tslibs.base cimport ABCTimestamp
 
 from pandas.util._exceptions import find_stack_level
+from pandas.util._decorators import set_module
 
 from pandas._libs.tslibs.conversion cimport (
     _TSObject,
@@ -1648,7 +1649,7 @@ cdef class _Timestamp(ABCTimestamp):
 # Python front end to C extension type _Timestamp
 # This serves as the box for datetime64
 
-
+@set_module("pandas")
 class Timestamp(_Timestamp):
     """
     Pandas replacement for python datetime.datetime object.
diff --git a/pandas/tests/api/test_api.py b/pandas/tests/api/test_api.py
index fadbe7645744e..171181bb04801 100644
--- a/pandas/tests/api/test_api.py
+++ b/pandas/tests/api/test_api.py
@@ -413,3 +413,7 @@ def test_set_module():
     assert pd.PeriodIndex.__module__ == "pandas"
     assert pd.RangeIndex.__module__ == "pandas"
     assert pd.TimedeltaIndex.__module__ == "pandas"
+    assert pd.Timestamp.__module__ == "pandas"
+    assert pd.Timedelta.__module__ == "pandas"
+    assert pd.Period.__module__ == "pandas"
+

From 824552f74702f8f49395b9ac47b8249d54ce64f6 Mon Sep 17 00:00:00 2001
From: Joris Van den Bossche <jorisvandenbossche@gmail.com>
Date: Thu, 7 Nov 2024 22:55:44 +0100
Subject: [PATCH 5/6] fixup categoricalindex

---
 pandas/core/indexes/category.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pandas/core/indexes/category.py b/pandas/core/indexes/category.py
index 312219eb7b91a..d20a84449fb85 100644
--- a/pandas/core/indexes/category.py
+++ b/pandas/core/indexes/category.py
@@ -13,6 +13,7 @@
 from pandas.util._decorators import (
     cache_readonly,
     doc,
+    set_module,
 )
 
 from pandas.core.dtypes.common import is_scalar
@@ -76,6 +77,7 @@
     Categorical,
     wrap=True,
 )
+@set_module("pandas")
 class CategoricalIndex(NDArrayBackedExtensionIndex):
     """
     Index based on an underlying :class:`Categorical`.

From d748d21f0fc69d27e85a396f05dd16bcc48e249c Mon Sep 17 00:00:00 2001
From: Joris Van den Bossche <jorisvandenbossche@gmail.com>
Date: Thu, 7 Nov 2024 23:04:59 +0100
Subject: [PATCH 6/6] linting

---
 pandas/_libs/interval.pyx        | 2 --
 pandas/core/indexes/base.py      | 1 +
 pandas/core/indexes/extension.py | 4 +---
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/pandas/_libs/interval.pyx b/pandas/_libs/interval.pyx
index 294cd6542221a..564019d7c0d8c 100644
--- a/pandas/_libs/interval.pyx
+++ b/pandas/_libs/interval.pyx
@@ -41,8 +41,6 @@ from pandas._libs.tslibs.util cimport (
     is_integer_object,
 )
 
-from pandas.util._decorators import set_module
-
 VALID_CLOSED = frozenset(["left", "right", "both", "neither"])
 
 
diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 850ef3470354e..4a90b164c89cc 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -315,6 +315,7 @@ def _new_Index(cls, d):
         d["dtype"] = d["data"].dtype
     return cls.__new__(cls, **d)
 
+
 @set_module("pandas")
 class Index(IndexOpsMixin, PandasObject):
     """
diff --git a/pandas/core/indexes/extension.py b/pandas/core/indexes/extension.py
index 102f48827d4fc..2eeacfb769be4 100644
--- a/pandas/core/indexes/extension.py
+++ b/pandas/core/indexes/extension.py
@@ -10,9 +10,7 @@
     TypeVar,
 )
 
-from pandas.util._decorators import (
-    cache_readonly,
-)
+from pandas.util._decorators import cache_readonly
 
 from pandas.core.dtypes.generic import ABCDataFrame