pythongh-135823: improve error message in netrc security checks (python#135827)

Author: picnixz

Lib/netrc.py

@@ -162,8 +162,8 @@ def _security_check(self, fp, default_netrc, login):
                 fowner = _getpwuid(prop.st_uid)
                 user = _getpwuid(current_user_id)
                 raise NetrcParseError(
-                    (f"~/.netrc file owner ({fowner}, {user}) does not match"
-                     " current user"))
+                    f"~/.netrc file owner ({fowner}) does not match"
+                    f" current user ({user})")
             if (prop.st_mode & (stat.S_IRWXG | stat.S_IRWXO)):
                 raise NetrcParseError(
                     "~/.netrc access too permissive: access"

Misc/NEWS.d/next/Library/2025-06-22-22-03-06.gh-issue-135823.iDBg97.rst

@@ -0,0 +1,3 @@
+:mod:`netrc`: improve the error message when the security check for the
+ownership of the default configuration file ``~/.netrc`` fails. Patch by
+Bénédikt Tran.