https://github.com/python/cpython/commit/b2adf556747d080f04b53ba4063b627c2dbe41d1
commit: b2adf556747d080f04b53ba4063b627c2dbe41d1
branch: main
author: Kumar Aditya <[email protected]>
committer: kumaraditya303 <[email protected]>
date: 2025-01-09T15:40:45+05:30
summary:
gh-126137: improve docs for `loop.add_reader` and `loop.add_writer` (#128666)
files:
M Doc/library/asyncio-eventloop.rst
diff --git a/Doc/library/asyncio-eventloop.rst
b/Doc/library/asyncio-eventloop.rst
index bfc0d16f023e5e..072ab206f25e4f 100644
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -970,6 +970,9 @@ 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
@@ -981,6 +984,9 @@ 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
<asyncio-pass-keywords>` to *callback*.
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