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Reduce latancy when sending complex messages (#473)

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J. Nick Koston 2023-07-15 08:24:03 -10:00 committed by GitHub
parent ce07e11e93
commit 0a0172fa89
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1 changed files with 8 additions and 1 deletions
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9
aioesphomeapi/connection.py
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@ -612,6 +612,12 @@ class APIConnection:
:raises TimeoutAPIError: if a timeout occured
"""
# Send the message right away to reduce latency.
# This is safe because we are not awaiting between
# sending the message and registering the handler
self.send_message(send_msg)
# Unsafe to await between sending the message and registering the handler
fut: asyncio.Future[None] = self._loop.create_future()
responses = []
@ -627,12 +633,13 @@ class APIConnection:
self._message_handlers.setdefault(msg_type, []).append(on_message)
self._read_exception_futures.add(fut)
# Now safe to await since we have registered the handler
# We must not await without a finally or
# the message could fail to be removed if the
# the await is cancelled
try:
self.send_message(send_msg)
async with async_timeout.timeout(timeout):
await fut
except asyncio.TimeoutError as err: