From 852280a4cf75fe9731baf80219c2f3797743b47d Mon Sep 17 00:00:00 2001 From: Kumar Aditya Date: Thu, 9 Jan 2025 15:40:45 +0530 Subject: [PATCH] gh-126137: improve docs for `loop.add_reader` and `loop.add_writer` (GH-128666) (cherry picked from commit b2adf556747d080f04b53ba4063b627c2dbe41d1) Co-authored-by: Kumar Aditya --- Doc/library/asyncio-eventloop.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst index 8d26346c63018b..c0e7911bdedd43 100644 --- a/Doc/library/asyncio-eventloop.rst +++ b/Doc/library/asyncio-eventloop.rst @@ -944,6 +944,9 @@ Watching file descriptors invoke *callback* with the specified arguments once *fd* is available for reading. + Any preexisting callback registered for *fd* is cancelled and replaced by + *callback*. + .. method:: loop.remove_reader(fd) Stop monitoring the *fd* file descriptor for read availability. Returns @@ -955,6 +958,9 @@ Watching file descriptors invoke *callback* with the specified arguments once *fd* is available for writing. + Any preexisting callback registered for *fd* is cancelled and replaced by + *callback*. + Use :func:`functools.partial` :ref:`to pass keyword arguments ` to *callback*.