https://github.com/python/cpython/commit/1481384141342479b3ba4b89f653b4e5bef0d272
commit: 1481384141342479b3ba4b89f653b4e5bef0d272
branch: main
author: AN Long <a...@users.noreply.github.com>
committer: kumaraditya303 <kumaradi...@python.org>
date: 2025-07-28T16:25:59+05:30
summary:
gh-119711: describe `create_datagram_endpoint`'s behavior in asyncio when
`local_addr` is `None` (#136913)
files:
M Doc/library/asyncio-eventloop.rst
diff --git a/Doc/library/asyncio-eventloop.rst
b/Doc/library/asyncio-eventloop.rst
index 91970c282391f7..9561c40776f01c 100644
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -611,6 +611,12 @@ Opening network connections
to bind the socket locally. The *local_host* and *local_port*
are looked up using :meth:`getaddrinfo`.
+ .. note::
+
+ On Windows, when using the proactor event loop with
``local_addr=None``,
+ an :exc:`OSError` with :attr:`!errno.WSAEINVAL` will be raised
+ when running it.
+
* *remote_addr*, if given, is a ``(remote_host, remote_port)`` tuple used
to connect the socket to a remote address. The *remote_host* and
*remote_port* are looked up using :meth:`getaddrinfo`.
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