Create app.py
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app.py
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from fastapi import FastAPI, WebSocket
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import asyncio
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app = FastAPI()
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@app.websocket("/ws")
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async def websocket_endpoint(ws: WebSocket):
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await ws.accept()
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for i in range(10):
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await ws.send_text(f"chunk {i}")
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await asyncio.sleep(0.5)
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await ws.close()
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