86 lines
2.5 KiB
Plaintext
86 lines
2.5 KiB
Plaintext
import os
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import pty
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import shlex
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import signal
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from pathlib import Path
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import asyncio
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import pyte
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class Terminal:
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def __init__(self, columns, lines, p_in):
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self.screen = pyte.HistoryScreen(columns, lines)
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self.screen.set_mode(pyte.modes.LNM)
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self.screen.write_process_input = \
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lambda data: p_in.write(data.encode())
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self.stream = pyte.ByteStream()
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self.stream.attach(self.screen)
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def feed(self, data):
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self.stream.feed(data)
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def dump(self):
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cursor = self.screen.cursor
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lines = []
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for y in self.screen.dirty:
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line = self.screen.buffer[y]
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data = [(char.data, char.reverse, char.fg, char.bg)
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for char in (line[x] for x in range(self.screen.columns))]
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lines.append((y, data))
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self.screen.dirty.clear()
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return {"c": (cursor.x, cursor.y), "lines": lines}
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def open_terminal(command="bash", columns=80, lines=24):
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p_pid, master_fd = pty.fork()
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if p_pid == 0: # Child.
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argv = shlex.split(command)
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env = dict(TERM="linux", LC_ALL="de_DE.UTF-8",
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COLUMNS=str(columns), LINES=str(lines))
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os.execvpe(argv[0], argv, env)
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# File-like object for I/O with the child process aka command.
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p_out = os.fdopen(master_fd, "w+b", 0)
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return Terminal(columns, lines, p_out), p_pid, p_out
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def convert_to_text(dump):
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lines = dump['lines']
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strLines = ''
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for line in lines:
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strLines += str(line[0])
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for c in line[1]:
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strLines += c[0]
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return strLines
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t,p,o = open_terminal()
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t.feed(o.read(10000))
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convert_to_text(t.dump())
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t.feed(b'ls\r')
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t.feed(o.read(10000))
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convert_to_text(t.dump())
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def HandleTerminal():
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terminal, p_pid, p_out, master_fd = open_terminal()
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while True:
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try:
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r, w, x = select.select([p_out, master_fd],[],[],500000)
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if r == []:
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continue
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for fd in r:
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print(fd,r)
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msg = fd.read(65536)
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if fd == p_out:
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terminal.feed(msg)
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master_fd.write(msg)
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if fd == master_fd:
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terminal.feed(msg)
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p_out.write(msg
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print(terminal.screen.display)
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except Exception as e: # Process died?
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print(e)
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#finally:
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# os.kill(p_pid, signal.SIGTERM)
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# p_out.close()
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if __name__ == "__main__":
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HandleTerminal()
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