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pandas-dev · Jul 13, 2024 · a5e0c13 · a5e0c13
1 parent 5a0ea7a
commit a5e0c13
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Showing 2 changed files with 4 additions and 36 deletions.
diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
@@ -4709,7 +4709,8 @@ _offset_map = {}
 
 
 def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
-
+    if name in _lite_rule_alias:
+        return name
     if name in c_PERIOD_AND_OFFSET_DEPR_FREQSTR:
         warnings.warn(
             f"\'{name}\' is deprecated and will be removed "
@@ -4721,17 +4722,6 @@ def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
             )
         return c_PERIOD_AND_OFFSET_DEPR_FREQSTR[name]
 
-    if not is_period and name in c_OFFSET_RENAMED_FREQSTR:
-        warnings.warn(
-            f"\'{name}\' is deprecated and will be removed "
-            f"in a future version, please use "
-            f"\'{c_OFFSET_RENAMED_FREQSTR[name]}\' "
-            f" instead.",
-            FutureWarning,
-            stacklevel=find_stack_level(),
-            )
-        return c_OFFSET_RENAMED_FREQSTR[name]
-
     for _name in (name.lower(), name.upper()):
         if name == _name:
             continue
@@ -4745,29 +4735,6 @@ def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
                 stacklevel=find_stack_level(),
                 )
             return _name
-        if (
-            not is_period
-            and _name in c_OFFSET_RENAMED_FREQSTR.values()
-        ):
-            warnings.warn(
-                f"\'{name}\' is deprecated and will be removed "
-                f"in a future version, please use "
-                f"\'{_name}\' "
-                f" instead.",
-                FutureWarning,
-                stacklevel=find_stack_level(),
-                )
-            return _name
-        if _name in _lite_rule_alias and name != _name:
-            warnings.warn(
-                f"\'{name}\' is deprecated and will be removed "
-                f"in a future version, please use "
-                f"\'{_name}\' "
-                f" instead.",
-                FutureWarning,
-                stacklevel=find_stack_level(),
-                )
-            return _name
 
     return name
 
@@ -4921,6 +4888,7 @@ cpdef to_offset(freq, bint is_period=False):
                                 f"please use \'{name.upper()}\' instead.",
                             )
                         name = c_PERIOD_TO_OFFSET_FREQSTR[name.upper()]
+                name = _lite_rule_alias.get(name, name)
 
                 if sep != "" and not sep.isspace():
                     raise ValueError("separator must be spaces")

diff --git a/pandas/tests/tseries/offsets/test_offsets.py b/pandas/tests/tseries/offsets/test_offsets.py
@@ -788,6 +788,7 @@ def test_get_offset():
 
     pairs = [
         ("B", BDay()),
+        ("BME", BMonthEnd()),
         ("W-MON", Week(weekday=0)),
         ("W-TUE", Week(weekday=1)),
         ("W-WED", Week(weekday=2)),
@@ -803,7 +804,6 @@ def test_get_offset():
 
     pairs = [
         ("b", BDay()),
-        ("bme", BMonthEnd()),
     ]
 
     for name, expected in pairs: