63 lines
1.4 KiB
Python
63 lines
1.4 KiB
Python
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#!/usr/bin/env python
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"""
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Example of running the Python REPL through an SSH connection in an asyncio process.
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This requires Python 3, asyncio and asyncssh.
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Run this example and then SSH to localhost, port 8222.
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"""
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import asyncio
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import logging
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import asyncssh
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from ptpython.contrib.asyncssh_repl import ReplSSHServerSession
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logging.basicConfig()
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logging.getLogger().setLevel(logging.INFO)
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class MySSHServer(asyncssh.SSHServer):
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"""
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Server without authentication, running `ReplSSHServerSession`.
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"""
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def __init__(self, get_namespace):
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self.get_namespace = get_namespace
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def begin_auth(self, username):
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# No authentication.
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return False
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def session_requested(self):
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return ReplSSHServerSession(self.get_namespace)
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def main(port=8222):
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"""
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Example that starts the REPL through an SSH server.
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"""
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loop = asyncio.get_event_loop()
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# Namespace exposed in the REPL.
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environ = {"hello": "world"}
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# Start SSH server.
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def create_server():
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return MySSHServer(lambda: environ)
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print("Listening on :%i" % port)
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print('To connect, do "ssh localhost -p %i"' % port)
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loop.run_until_complete(
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asyncssh.create_server(
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create_server, "", port, server_host_keys=["/etc/ssh/ssh_host_dsa_key"]
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)
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)
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# Run eventloop.
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loop.run_forever()
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if __name__ == "__main__":
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main()
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