Add CurrentDeprecationWarning

Author: Aloqeely

pandas/tests/groupby/test_raises.py

@@ -8,7 +8,7 @@
 import numpy as np
 import pytest
 
-from pandas.util._exceptions import Pandas40DeprecationWarning
+from pandas.util._exceptions import CurrentDeprecationWarning
 
 from pandas import (
     Categorical,
@@ -87,7 +87,7 @@ def df_with_cat_col():
 
 
 def _call_and_check(klass, msg, how, gb, groupby_func, args, warn_msg=""):
-    warn_klass = None if warn_msg == "" else Pandas40DeprecationWarning
+    warn_klass = None if warn_msg == "" else CurrentDeprecationWarning
     with tm.assert_produces_warning(warn_klass, match=warn_msg, check_stacklevel=False):
         if klass is None:
             if how == "method":

pandas/tests/util/test_pandas_deprecation_warning.py

@@ -1,13 +1,13 @@
 import warnings
 
 from pandas.util._decorators import deprecate_kwarg
-from pandas.util._exceptions import Pandas40DeprecationWarning
+from pandas.util._exceptions import CurrentDeprecationWarning
 
 import pandas._testing as tm
 
 
 def f1():
-    warnings.warn("f1", Pandas40DeprecationWarning)
+    warnings.warn("f1", CurrentDeprecationWarning)
 
 
 def test_function_warns_pandas_deprecation_warning():

pandas/util/_decorators.py

@@ -17,7 +17,7 @@
     T,
 )
 from pandas.util._exceptions import (
-    Pandas40DeprecationWarning,
+    CurrentDeprecationWarning,
     find_stack_level,
 )
 
@@ -61,7 +61,7 @@ def deprecate(
         Default is '{name} is deprecated. Use {alt_name} instead.'
     """
     alt_name = alt_name or alternative.__name__
-    klass = klass or Pandas40DeprecationWarning
+    klass = klass or CurrentDeprecationWarning
     warning_msg = msg or f"{name} is deprecated, use {alt_name} instead."
 
     @wraps(alternative)
@@ -173,7 +173,7 @@ def deprecate_kwarg(
         raise TypeError(
             "mapping from old to new argument values must be dict or callable!"
         )
-    klass = klass or Pandas40DeprecationWarning
+    klass = klass or CurrentDeprecationWarning
 
     def _deprecate_kwarg(func: F) -> F:
         @wraps(func)
@@ -300,7 +300,7 @@ def deprecate_nonkeyword_arguments(
     klass : Warning, optional
         The warning class to use.
     """
-    klass = klass or Pandas40DeprecationWarning
+    klass = klass or CurrentDeprecationWarning
 
     def decorate(func):
         old_sig = inspect.signature(func)

pandas/util/_exceptions.py

@@ -13,6 +13,7 @@
 
 Pandas40DeprecationWarning = DeprecationWarning
 Pandas50DeprecationWarning = DeprecationWarning
+CurrentDeprecationWarning = Pandas40DeprecationWarning
 
 
 @contextlib.contextmanager