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GH-40004: [Python][FlightRPC] Release GIL in GeneratorStream #40005

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merged 1 commit into from
Feb 8, 2024
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GH-40004: [Python][FlightRPC] Release GIL in GeneratorStream #40005

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5 changes: 3 additions & 2 deletions python/pyarrow/_flight.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -2013,8 +2013,9 @@ cdef CStatus _data_stream_next(void* self, CFlightPayload* payload) except *:
max_attempts = 128
for _ in range(max_attempts):
if stream.current_stream != nullptr:
check_flight_status(
stream.current_stream.get().Next().Value(payload))
with nogil:
check_flight_status(
stream.current_stream.get().Next().Value(payload))
# If the stream ended, see if there's another stream from the
# generator
if payload.ipc_message.metadata != nullptr:
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