whatsnew: shutil copyfile SameFileError (#1492704)

diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index e5e720eca682bdfe013fded8f80d2484b834db54..d210a8f94b8e0215a5fcd763b069c7ac8727f08b 100644 (file)
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -1297,6 +1297,16 @@ and will be automatically closed at the end of the :keyword:`with` block.
 (Contributed by Filip Gruszczyński in :issue:`13896`.)
 
 
+shutil
+------
+
+:func:`~shutil.copyfile` now raises a specific :exc:`~shutil.Error` subclass,
+:exc:`~shutil.SameFileError`, when the source and destination are the same
+file, which allows an application to take appropriate action on this specific
+error.  (Contributed by Atsuo Ishimoto and Hynek Schlawack in
+:issue:`1492704`.)
+
+
 smtpd
 -----