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gh-113812: Allow DatagramTransport.sendto to send empty data (#115199)

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Also include the UDP packet header sizes (8 bytes per packet)
in the buffer size reported to the flow control subsystem.
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Jamie Phan 2024-02-17 13:38:07 +11:00 • committed by GitHub
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@ -218,6 +218,12 @@ asyncio
the Unix socket when the server is closed.
(Contributed by Pierre Ossman in :gh:`111246`.)
* :meth:`asyncio.DatagramTransport.sendto` will now send zero-length
datagrams if called with an empty bytes object. The transport flow
control also now accounts for the datagram header when calculating
the buffer size.
(Contributed by Jamie Phan in :gh:`115199`.)
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