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gh-157418: Correct the IocpProactor.recvfrom_into() parameter name #157422

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gh-157418: Correct the IocpProactor.recvfrom_into() parameter name #157422

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gh-157418: Correct the IocpProactor recvfrom_into parameter name
lpyu001 Sep 13, 2026
6dbd992
add NEWS
lpyu001 Sep 14, 2026
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4 changes: 2 additions & 2 deletions Lib/asyncio/windows_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -515,11 +515,11 @@ def recvfrom(self, conn, nbytes, flags=0):
return self._register(ov, conn, partial(self._finish_recvfrom,
empty_result=b''))

def recvfrom_into(self, conn, buf, flags=0):
def recvfrom_into(self, conn, buf, nbytes=0):
self._register_with_iocp(conn)
ov = _overlapped.Overlapped(NULL)
try:
ov.WSARecvFromInto(conn.fileno(), buf, flags)
ov.WSARecvFromInto(conn.fileno(), buf, nbytes)
except BrokenPipeError:
return self._result((0, None))

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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Windows/2026-09-14-16-49-44.gh-issue-157418.r2IggA.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
Correct the third parameter name of ``IocpProactor.recvfrom_into()`` from
*flags* to *nbytes* to reflect that it specifies the number of bytes to
receive.
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