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#!/usr/bin/env python
import asyncio
import pathlib
import ssl
import websockets
async def hello(websocket):
name = await websocket.recv()
print(f"<<< {name}")
greeting = f"Hello {name}!"
await websocket.send(greeting)
print(f">>> {greeting}")
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
localhost_pem = pathlib.Path(__file__).with_name("localhost.pem")
ssl_context.load_cert_chain(localhost_pem)
async def main():
async with websockets.serve(hello, "localhost", 8765, ssl=ssl_context):
await asyncio.Future() # run forever
if __name__ == "__main__":
asyncio.run(main())
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