pythongh-107710: Speed up logging.getHandlerNames function (python#107711)

sobolevn · web-flow · commit 8fcee6b2795a · 2023-08-07T14:52:36.000+01:00
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
@@ -916,8 +916,7 @@ def getHandlerNames():
     """
     Return all known handler names as an immutable set.
     """
-    result = set(_handlers.keys())
-    return frozenset(result)
+    return frozenset(_handlers)
 
 
 class Handler(Filterer):
diff --git a/Misc/NEWS.d/next/Library/2023-08-07-14-24-42.gh-issue-107710.xfOCfj.rst b/Misc/NEWS.d/next/Library/2023-08-07-14-24-42.gh-issue-107710.xfOCfj.rst
@@ -0,0 +1 @@
+Speed up :func:`logging.getHandlerNames`.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Speed up :func:`logging.getHandlerNames`.