Add pandas.core.groupby

pandas/core/groupby/__init__.py

@@ -0,0 +1,8 @@
+from pandas._core import groupby as groupby_
+from pandas.core.common import _depr_core
+
+
+def __getattr__(attr_name):
+    attr = getattr(groupby_, attr_name)
+    _depr_core()
+    return attr

pandas/core/groupby/base.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import base
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in base.__dir__():
+    _globals[item] = getattr(base, item)

pandas/core/groupby/categorical.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import categorical
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in categorical.__dir__():
+    _globals[item] = getattr(categorical, item)

pandas/core/groupby/generic.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import generic
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in generic.__dir__():
+    _globals[item] = getattr(generic, item)

pandas/core/groupby/groupby.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import groupby
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in groupby.__dir__():
+    _globals[item] = getattr(groupby, item)

pandas/core/groupby/grouper.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import grouper
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in grouper.__dir__():
+    _globals[item] = getattr(grouper, item)

pandas/core/groupby/indexing.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import indexing
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in indexing.__dir__():
+    _globals[item] = getattr(indexing, item)

pandas/core/groupby/numba_.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import numba_
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in numba_.__dir__():
+    _globals[item] = getattr(numba_, item)

pandas/core/groupby/ops.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from pandas._core.groupby import ops
+from pandas.core.common import _depr_core
+
+_depr_core()
+
+_globals = globals()
+
+for item in ops.__dir__():
+    _globals[item] = getattr(ops, item)

scripts/validate_unwanted_patterns.py

@@ -53,6 +53,8 @@
     "_version_meson",
     # TODO(3.0): GH#55043 - remove upon removal of ArrayManager
     "_get_option",
+    # GH#27522
+    "_depr_core",
 }