From 49b9192b12ab203bf6c1ec2e29f5b3d8ed3df684 Mon Sep 17 00:00:00 2001 From: Georg Brandl Date: Fri, 2 Apr 2010 08:39:09 +0000 Subject: #2768: add a note on how to get a file descriptor. --- Doc/library/os.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 43d029a..b4e39a4 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -513,6 +513,10 @@ process will then be assigned 3, 4, 5, and so forth. The name "file descriptor" is slightly deceptive; on Unix platforms, sockets and pipes are also referenced by file descriptors. +The :meth:`~file.fileno` method can be used to obtain the file descriptor +associated with a file object when required. Note that using the file +descriptor directly will bypass the file object methods, ignoring aspects such +as internal buffering of data. .. function:: close(fd) -- cgit v0.12