Adding upstream version 3.0.16.

Signed-off-by: Daniel Baumann <daniel@debian.org>

examples/ssh-and-telnet-embed.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+"""
+Serve a ptpython console using both telnet and ssh.
+
+Thanks to Vincent Michel for this!
+https://gist.github.com/vxgmichel/7685685b3e5ead04ada4a3ba75a48eef
+"""
+
+import asyncio
+import pathlib
+
+import asyncssh
+from prompt_toolkit import print_formatted_text
+from prompt_toolkit.contrib.ssh.server import PromptToolkitSSHServer
+from prompt_toolkit.contrib.telnet.server import TelnetServer
+
+from ptpython.repl import embed
+
+
+def ensure_key(filename="ssh_host_key"):
+    path = pathlib.Path(filename)
+    if not path.exists():
+        rsa_key = asyncssh.generate_private_key("ssh-rsa")
+        path.write_bytes(rsa_key.export_private_key())
+    return str(path)
+
+
+async def interact(connection=None):
+    global_dict = {**globals(), "print": print_formatted_text}
+    await embed(return_asyncio_coroutine=True, globals=global_dict)
+
+
+async def main(ssh_port=8022, telnet_port=8023):
+    ssh_server = PromptToolkitSSHServer(interact=interact)
+    await asyncssh.create_server(
+        lambda: ssh_server, "", ssh_port, server_host_keys=[ensure_key()]
+    )
+    print(f"Running ssh server on port {ssh_port}...")
+
+    telnet_server = TelnetServer(interact=interact, port=telnet_port)
+    telnet_server.start()
+    print(f"Running telnet server on port {telnet_port}...")
+
+    while True:
+        await asyncio.sleep(60)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())