Adding upstream version 3.0.43.upstream/3.0.43

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/examples/telnet/hello-world.py b/examples/telnet/hello-world.py
new file mode 100755
index 0000000..c19c60c
--- /dev/null
+++ b/examples/telnet/hello-world.py
@@ -0,0 +1,39 @@
+#!/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 asyncio import run
+
+from prompt_toolkit.contrib.telnet.server import TelnetServer
+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")
+
+
+async def main():
+    server = TelnetServer(interact=interact, port=2323)
+    await server.run()
+
+
+if __name__ == "__main__":
+    run(main())