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https://github.com/agent0ai/agent-zero.git
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2ce1947b0f
Store and close POSIX PTY master descriptors when terminal sessions are closed or killed, and make local terminal session shutdown await the full TTY cleanup path. This prevents leaked /dev/ptmx descriptors from exhausting the process file descriptor limit.
50 lines
No EOL
1.7 KiB
Python
50 lines
No EOL
1.7 KiB
Python
import platform
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import select
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import subprocess
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import time
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import sys
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from typing import Optional, Tuple
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from helpers import runtime
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from plugins._code_execution.helpers import tty_session
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from plugins._code_execution.helpers.shell_ssh import clean_string
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class LocalInteractiveSession:
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def __init__(self, cwd: str|None = None):
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self.session: tty_session.TTYSession|None = None
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self.full_output = ''
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self.cwd = cwd
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async def connect(self):
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self.session = tty_session.TTYSession(runtime.get_terminal_executable(), cwd=self.cwd)
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await self.session.start()
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await self.session.read_full_until_idle(idle_timeout=1, total_timeout=1)
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async def close(self):
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if self.session:
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await self.session.close()
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self.session = None
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async def send_command(self, command: str):
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if not self.session:
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raise Exception("Shell not connected")
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self.full_output = ""
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await self.session.sendline(command)
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async def read_output(self, timeout: float = 0, reset_full_output: bool = False) -> Tuple[str, Optional[str]]:
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if not self.session:
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raise Exception("Shell not connected")
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if reset_full_output:
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self.full_output = ""
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# get output from terminal
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partial_output = await self.session.read_full_until_idle(idle_timeout=0.01, total_timeout=timeout)
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self.full_output += partial_output
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# clean output
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partial_output = clean_string(partial_output)
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clean_full_output = clean_string(self.full_output)
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if not partial_output:
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return clean_full_output, None
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return clean_full_output, partial_output |