pitrou commented on code in PR #36986:
URL: https://github.com/apache/arrow/pull/36986#discussion_r1297336924
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python/pyarrow/_flight.pyx:
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@@ -1219,6 +1220,93 @@ cdef class FlightMetadataWriter(_Weakrefable):
check_flight_status(self.writer.get().WriteMetadata(deref(buf)))
+class AsyncioCall:
+ """State for an async RPC using asyncio."""
+
+ def __init__(self) -> None:
+ import asyncio
+
+ # Python waits on the event.
+ self._event = asyncio.Event()
+ # The C++ callback puts a task on the pool to set the event, waking up
+ # Python.
+ # The result of the async call.
+ # TODO(lidavidm): how best to handle streams?
Review Comment:
Using a `queue` and a ` asyncio.Condition` perhaps?
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