From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 12 May 2009 20:47:57 +0000 (+0000)
Subject: add example function
X-Git-Tag: v3.1rc1~170
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4199d603fed4ea5aadb8c77fa118e3ea948fd109;p=python

add example function
---

diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 0d92170b09..ddd7e647a2 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -784,7 +784,13 @@ always available.
    The standard streams are in text mode by default.  To write or read binary
    data to these, use the underlying binary buffer.  For example, to write bytes
    to :data:`stdout`, use ``sys.stdout.buffer.write(b'abc')``.  Using
-   :meth:`io.TextIOWrapper.detach` streams can be made binary by default.
+   :meth:`io.TextIOWrapper.detach` streams can be made binary by default.  For
+   example, this function sets all the standard streams to binary: ::
+
+      def make_streams_binary():
+          sys.stdin = sys.stdin.detach()
+          sys.stdout = sys.stout.detach()
+          sys.stderr = sys.stderr.detach()
 
 
 .. data:: __stdin__