fix issue #17552: add socket.sendfile() method allowing to send a file over a socket by using high-performance os.sendfile() on UNIX. Patch by Giampaolo Rodola'ยท
diff --git a/Doc/whatsnew/3.5.rst b/Doc/whatsnew/3.5.rst
index 5c4e0b5..af734c8 100644
--- a/Doc/whatsnew/3.5.rst
+++ b/Doc/whatsnew/3.5.rst
@@ -181,9 +181,18 @@
* Different constants of :mod:`signal` module are now enumeration values using
the :mod:`enum` module. This allows meaningful names to be printed during
- debugging, instead of integer “magic numbers”. (contribute by Giampaolo
+ debugging, instead of integer “magic numbers”. (contributed by Giampaolo
Rodola' in :issue:`21076`)
+socket
+------
+
+* New :meth:`socket.socket.sendfile` method allows to send a file over a socket
+ by using high-performance :func:`os.sendfile` function on UNIX resulting in
+ uploads being from 2x to 3x faster than when using plain
+ :meth:`socket.socket.send`.
+ (contributed by Giampaolo Rodola' in :issue:`17552`)
+
xmlrpc
------