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Provider/soulseek.py

@@ -23,6 +23,57 @@ _SOULSEEK_NOISE_SUBSTRINGS = (
 )
 
 
+@contextlib.asynccontextmanager
+async def _suppress_aioslsk_asyncio_task_noise() -> Any:
+	"""Suppress non-fatal aioslsk task exceptions emitted via asyncio's loop handler.
+
+	aioslsk may spawn background tasks (e.g. direct peer connection attempts) that
+	can fail with ConnectionFailedError. These are often expected and should not
+	end a successful download with a scary "Task exception was never retrieved"
+	traceback.
+
+	We only swallow those specific cases and delegate everything else to the
+	previous/default handler.
+	"""
+	try:
+		loop = asyncio.get_running_loop()
+	except RuntimeError:
+		# Not in an event loop.
+		yield
+		return
+
+	previous_handler = loop.get_exception_handler()
+
+	def _handler(loop: asyncio.AbstractEventLoop, context: Dict[str, Any]) -> None:
+		try:
+			exc = context.get("exception")
+			msg = str(context.get("message") or "")
+			# Only suppress un-retrieved task exceptions from aioslsk connection failures.
+			if msg == "Task exception was never retrieved" and exc is not None:
+				cls = getattr(exc, "__class__", None)
+				name = getattr(cls, "__name__", "")
+				mod = getattr(cls, "__module__", "")
+				if name == "ConnectionFailedError" and str(mod).startswith("aioslsk"):
+					return
+		except Exception:
+			# If our filter logic fails, fall through to default handling.
+			pass
+
+		if previous_handler is not None:
+			previous_handler(loop, context)
+		else:
+			loop.default_exception_handler(context)
+
+	loop.set_exception_handler(_handler)
+	try:
+		yield
+	finally:
+		try:
+			loop.set_exception_handler(previous_handler)
+		except Exception:
+			pass
+
+
 def _configure_aioslsk_logging() -> None:
 	"""Reduce aioslsk internal log noise.
 
@@ -508,7 +559,8 @@ async def download_soulseek_file(
 			client = SoulSeekClient(settings)
 			with _suppress_aioslsk_noise():
 				try:
-					await client.start()
+					async with _suppress_aioslsk_asyncio_task_noise():
+						await client.start()
 					await client.login()
 					debug(f"[soulseek] Logged in as {login_user}")