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#!/usr/bin/env python3.7
#
# Copyright (c) 2016-2024 by Ron Frederick <ronf@timeheart.net> and others.
#
# This program and the accompanying materials are made available under
# the terms of the Eclipse Public License v2.0 which accompanies this
# distribution and is available at:
#
# http://www.eclipse.org/legal/epl-2.0/
#
# This program may also be made available under the following secondary
# licenses when the conditions for such availability set forth in the
# Eclipse Public License v2.0 are satisfied:
#
# GNU General Public License, Version 2.0, or any later versions of
# that license
#
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
#
# Contributors:
# Ron Frederick - initial implementation, API, and documentation
import asyncio, asyncssh, sys
async def run_client() -> None:
async with asyncssh.connect('localhost') as conn:
async with conn.create_process('bc') as process:
for op in ['2+2', '1*2*3*4', '2^32']:
process.stdin.write(op + '\n')
result = await process.stdout.readline()
print(op, '=', result, end='')
try:
asyncio.run(run_client())
except (OSError, asyncssh.Error) as exc:
sys.exit('SSH connection failed: ' + str(exc))
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