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PYTHON-5369 - Re-raise socket.timeout errors if the deadline has alre… #2326

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Merged
merged 10 commits into from
May 12, 2025
Merged

PYTHON-5369 - Re-raise socket.timeout errors if the deadline has alre… #2326

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7a15f04
PYTHON-5369 - Re-raise socket.timeout errors if the deadline has alre…
NoahStapp May 1, 2025
59e1897
Try detecting faas
NoahStapp May 2, 2025
7765b7d
Only run test_sigstop_sigint on FaaS
NoahStapp May 2, 2025
55324d4
Mock running on FaaS
NoahStapp May 6, 2025
4005821
Remove unused import
NoahStapp May 8, 2025
d851d85
Rename handshake to is_sdamm and use to detect when to re-raise netwo…
NoahStapp May 8, 2025
e775c65
Fix default is_sdam setting
NoahStapp May 8, 2025
9136b56
Merge branch 'master' into PYTHON-5369
NoahStapp May 8, 2025
968fc56
Fix test_timeout_configuration
NoahStapp May 8, 2025
e5ec63a
Merge branch 'master' into PYTHON-5369
NoahStapp May 8, 2025
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8 changes: 7 additions & 1 deletion pymongo/network_layer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
from pymongo.compression_support import decompress
from pymongo.errors import ProtocolError, _OperationCancelled
from pymongo.message import _UNPACK_REPLY, _OpMsg, _OpReply
from pymongo.pool_options import _is_faas
from pymongo.socket_checker import _errno_from_exception

try:
Expand Down Expand Up @@ -357,7 +358,12 @@ def receive_data(conn: Connection, length: int, deadline: Optional[float]) -> me
except socket.timeout:
if conn.cancel_context.cancelled:
raise _OperationCancelled("operation cancelled") from None
if _PYPY:
if (
_PYPY
or not _is_faas()
and deadline is not None
and deadline - time.monotonic() < 0
):
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@ShaneHarvey ShaneHarvey May 8, 2025 •
edited
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I think we want sigstop/sigcont to work the same regardless of what env variables are defined. What if we take an alternative approach here and replace not _is_faas() with not conn.is_sdam? IE only do the extra non-blocking read on SDAM connections.

Will that still fix the flaky tests?

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Are the flaky tests still fixed after the is_sdam change?

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They appear to be, yes: https://spruce.mongodb.com/version/681e08d75668e00007df8859/tasks?page=0&sorts=STATUS%3AASC%3BBASE_STATUS%3ADESC&statuses=failed&taskName=%5E%28%28%3F%21pypy%29.%29*%24&variant=%5E%28%28%3F%21pypy%29.%29*%24. Filtering out PyPy failures, none of the flaky tests that should be fixed by this change are present.

# We reached the true deadline.
raise
continue
Expand Down
1 change: 1 addition & 0 deletions test/asynchronous/test_client.py
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Expand Up @@ -2011,6 +2011,7 @@ async def test_srv_max_hosts_kwarg(self):
)
@unittest.skipIf(sys.platform == "win32", "Windows does not support SIGSTOP")
@async_client_context.require_sync
@mock.patch.dict("os.environ", {"AWS_LAMBDA_RUNTIME_API": "1"})
def test_sigstop_sigcont(self):
test_dir = os.path.dirname(os.path.realpath(__file__))
script = os.path.join(test_dir, "sigstop_sigcont.py")
Expand Down
1 change: 1 addition & 0 deletions test/test_client.py
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Expand Up @@ -1968,6 +1968,7 @@ def test_srv_max_hosts_kwarg(self):
)
@unittest.skipIf(sys.platform == "win32", "Windows does not support SIGSTOP")
@client_context.require_sync
@mock.patch.dict("os.environ", {"AWS_LAMBDA_RUNTIME_API": "1"})
def test_sigstop_sigcont(self):
test_dir = os.path.dirname(os.path.realpath(__file__))
script = os.path.join(test_dir, "sigstop_sigcont.py")
Expand Down
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