mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-02-03 02:25:32 +08:00
82 lines
3.2 KiB
Python
82 lines
3.2 KiB
Python
"""执行Shell命令工具"""
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import asyncio
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from typing import Optional, Type
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from pydantic import BaseModel, Field
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from app.agent.tools.base import MoviePilotTool
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from app.log import logger
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class ExecuteCommandInput(BaseModel):
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"""执行Shell命令工具的输入参数模型"""
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explanation: str = Field(..., description="Clear explanation of why this command is being executed")
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command: str = Field(..., description="The shell command to execute")
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timeout: Optional[int] = Field(60, description="Max execution time in seconds (default: 60)")
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class ExecuteCommandTool(MoviePilotTool):
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name: str = "execute_command"
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description: str = "Safely execute shell commands on the server. Useful for system maintenance, checking status, or running custom scripts. Includes timeout and output limits."
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args_schema: Type[BaseModel] = ExecuteCommandInput
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def get_tool_message(self, **kwargs) -> Optional[str]:
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"""根据命令生成友好的提示消息"""
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command = kwargs.get("command", "")
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return f"正在执行系统命令: {command}"
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async def run(self, command: str, timeout: Optional[int] = 60, **kwargs) -> str:
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logger.info(f"执行工具: {self.name}, 参数: command={command}, timeout={timeout}")
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# 简单安全过滤
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forbidden_keywords = ["rm -rf /", ":(){ :|:& };:", "dd if=/dev/zero", "mkfs", "reboot", "shutdown"]
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for keyword in forbidden_keywords:
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if keyword in command:
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return f"错误：命令包含禁止使用的关键字 '{keyword}'"
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try:
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# 执行命令
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process = await asyncio.create_subprocess_shell(
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command,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE
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)
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try:
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# 等待完成，带超时
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stdout, stderr = await asyncio.wait_for(process.communicate(), timeout=timeout)
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# 处理输出
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stdout_str = stdout.decode('utf-8', errors='replace').strip()
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stderr_str = stderr.decode('utf-8', errors='replace').strip()
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exit_code = process.returncode
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result = f"命令执行完成 (退出码: {exit_code})"
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if stdout_str:
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result += f"\n\n标准输出:\n{stdout_str}"
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if stderr_str:
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result += f"\n\n错误输出:\n{stderr_str}"
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# 如果没有输出
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if not stdout_str and not stderr_str:
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result += "\n\n(无输出内容)"
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# 限制输出长度，防止上下文过长
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if len(result) > 3000:
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result = result[:3000] + "\n\n...(输出内容过长，已截断)"
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return result
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except asyncio.TimeoutError:
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# 超时处理
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try:
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process.kill()
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except ProcessLookupError:
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pass
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return f"命令执行超时 (限制: {timeout}秒)"
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except Exception as e:
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logger.error(f"执行命令失败: {e}", exc_info=True)
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return f"执行命令时发生错误: {str(e)}"
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