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PYTHON-5405 Use legacy wait_for_read cancellation approach on Windows #2363

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Merged
merged 2 commits into from
Jun 10, 2025
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PYTHON-5405 Use legacy wait_for_read cancellation approach on Windows #2363

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PYTHON-5405 Use legacy wait_for_read cancellation approach on Windows
blink1073 Jun 9, 2025
59d3bf0
address review
blink1073 Jun 9, 2025
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5 changes: 4 additions & 1 deletion pymongo/network_layer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -286,6 +286,7 @@ async def _async_socket_receive(


_PYPY = "PyPy" in sys.version
_WINDOWS = sys.platform == "win32"


def wait_for_read(conn: Connection, deadline: Optional[float]) -> None:
Expand Down Expand Up @@ -337,7 +338,8 @@ def receive_data(conn: Connection, length: int, deadline: Optional[float]) -> me
while bytes_read < length:
try:
# Use the legacy wait_for_read cancellation approach on PyPy due to PYTHON-5011.
if _PYPY:
# also use it on Windows due to PYTHON-5405
if _PYPY or _WINDOWS:
wait_for_read(conn, deadline)
if _csot.get_timeout() and deadline is not None:
conn.set_conn_timeout(max(deadline - time.monotonic(), 0))
Expand All @@ -359,6 +361,7 @@ def receive_data(conn: Connection, length: int, deadline: Optional[float]) -> me
raise _OperationCancelled("operation cancelled") from None
if (
_PYPY
or _WINDOWS
or not conn.is_sdam
and deadline is not None
and deadline - time.monotonic() < 0
Expand Down
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