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Fix resource leak: add proper cleanup for engine lifecycle #14

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Fix resource leak: add proper cleanup for engine lifecycle #14

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11 changes: 10 additions & 1 deletion src/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,13 +56,22 @@ def load_models():
engine.__enter__()
print("Engine loaded.")

tts_backend = tts.load()
try:
tts_backend = tts.load()
except Exception:
# Clean up engine if TTS loading fails
engine.__exit__(None, None, None)
engine = None
raise


@asynccontextmanager
async def lifespan(app):
await asyncio.get_event_loop().run_in_executor(None, load_models)
yield
# Clean up engine resources on shutdown
if engine:
engine.__exit__(None, None, None)


app = FastAPI(lifespan=lifespan)
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