From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Fri, 30 Jul 2021 16:20:59 +0000 (-0700)
Subject: bpo-44753: Don't use logfile extension when determining old files to be deleted ... 
X-Git-Tag: v3.10.0rc1~23
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6e6dc2517379289932c68fc986ee3994468374fc;p=thirdparty%2FPython%2Fcpython.git

bpo-44753: Don't use logfile extension when determining old files to be deleted (GH-27475) (GH-27487)

(cherry picked from commit 6ff890380971752299325bd28eab80ec936975cf)
---

diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index 2a45f5379b1e..4cabc0d740c2 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -359,7 +359,8 @@ class TimedRotatingFileHandler(BaseRotatingHandler):
         dirName, baseName = os.path.split(self.baseFilename)
         fileNames = os.listdir(dirName)
         result = []
-        prefix = baseName + "."
+        # See bpo-44753: Don't use the extension when computing the prefix.
+        prefix = os.path.splitext(baseName)[0] + "."
         plen = len(prefix)
         for fileName in fileNames:
             if fileName[:plen] == prefix: