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#!/usr/bin/env python
"""
A simple Telnet application that asks for input and responds.
The interaction function is a prompt_toolkit coroutine.
Also see the `hello-world-asyncio.py` example which uses an asyncio coroutine.
That is probably the preferred way if you only need Python 3 support.
"""
import logging
from prompt_toolkit.contrib.telnet.server import TelnetServer
from prompt_toolkit.eventloop import get_event_loop
from prompt_toolkit.shortcuts import PromptSession, clear
# Set up logging
logging.basicConfig()
logging.getLogger().setLevel(logging.INFO)
async def interact(connection):
clear()
connection.send("Welcome!\n")
# Ask for input.
session = PromptSession()
result = await session.prompt_async(message="Say something: ")
# Send output.
connection.send(f"You said: {result}\n")
connection.send("Bye.\n")
def main():
server = TelnetServer(interact=interact, port=2323)
server.start()
get_event_loop().run_forever()
if __name__ == "__main__":
main()
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