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#!/usr/bin/env python3
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# MIT License
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#
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# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the"Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED"AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# This test is based on:
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# pty — Pseudo-terminal utilities¶
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# https://docs.python.org/3/library/pty.html#example
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#
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# Using a pseudo-terminal to interact with interactive Python in a subprocess
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# by Thomas Billinger
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# https://gist.github.com/thomasballinger/7979808
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import os
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import pty
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import tty
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import sys
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import time
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import subprocess
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import threading
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from select import select
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sys.path.append(os.path.join(sys.path[0],'../../libs/pyTermTk'))
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import TermTk as ttk
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class thread(threading.Thread):
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def __init__(self):
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super().__init__()
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def run(self):
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pass
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shell = os.environ.get('SHELL', 'sh')
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master,slave = pty.openpty()
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p = subprocess.Popen([shell], stdin=slave, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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pin = os.fdopen(master, 'w')
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tty.setcbreak(sys.stdin)
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# pin.write('ls -la\n')
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msg = ''
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errmsg = ''
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while True:
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rs, ws, es = select([sys.stdin, p.stdout, p.stderr], [], [])
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for r in rs:
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if r is sys.stdin:
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c = r.read(1)
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if c == '\n':
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pin.write(msg+'\n')
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print(f'\r>>> {msg}')
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msg = ''
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else:
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msg += c
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print(f'>>> {msg}')
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sys.stdout.flush()
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elif r is p.stdout:
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l = p.stdout.readline()
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print(f'Eugenio->{l}')
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sys.stderr.flush()
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elif r is p.stderr:
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errmsg += p.stderr.read(1)
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if errmsg.endswith('>>> '):
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errmsg = errmsg[:-4]
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if errmsg.endswith('\n'):
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print(f'ERR~{errmsg}')
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errmsg = ''
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