Merge branch 'main' of git.opencomputing.cn:yumoqing/skillagent
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commit
96242f49b3
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skillagent/skillengine.py
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139
skillagent/skillengine.py
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import os
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import re
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import yaml
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import logging
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import subprocess
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import hashlib
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from pathlib import Path
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from datetime import datetime
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from typing import List, Dict, Any
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# 配置审计日志
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logging.basicConfig(
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filename='skill_audit.log',
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level=logging.INFO,
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format='%(asctime)s [%(levelname)s] %(message)s'
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)
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class IndustrialSkillEngine:
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def __init__(self, skills_dir: str, llm_handler):
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self.root = Path(skills_dir).resolve()
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self.llm = llm_handler
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self.registry = {}
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self.session_id = hashlib.md5(str(datetime.now()).encode()).hexdigest()[:8]
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# 状态机：记录当前任务执行到的步骤
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self.state = {"current_skill": None, "history": [], "pending_params": []}
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# --- 1. 工业级初始化：依赖检查与索引 ---
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def boot(self):
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for skill_md in self.root.glob("**/SKILL.md"):
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with open(skill_md, 'r', encoding='utf-8') as f:
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content = f.read()
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meta = yaml.safe_load(re.search(r'^---(.*?)---', content, re.DOTALL).group(1))
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name = meta.get('name')
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# 检查依赖 (Pre-flight check)
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req_file = skill_md.parent / "requirements.txt"
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has_deps = req_file.exists()
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self.registry[name] = {
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"root": skill_md.parent,
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"meta": meta,
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"content": content,
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"has_deps": has_deps
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}
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logging.info(f"Engine Booted. Session: {self.session_id}. Skills: {list(self.registry.keys())}")
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# --- 2. 自动化依赖环境隔离 (venv 思想) ---
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def _ensure_dependencies(self, skill_name: str):
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skill = self.registry[skill_name]
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if skill["has_deps"]:
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# 工业级引擎通常会检查一个隐藏的 .installed 标识
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if not (skill["root"] / ".deps_installed").exists():
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print(f"📦 正在为技能 {skill_name} 安装必要依赖...")
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subprocess.run(["pip", "install", "-r", "requirements.txt"], cwd=skill["root"])
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(skill["root"] / ".deps_installed").touch()
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# --- 3. 增强版安全执行器：带重试逻辑与审计 ---
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def _execute_with_retry(self, command: str, skill_name: str, retry_count=1) -> str:
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self._ensure_dependencies(skill_name)
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# 安全预检：禁止敏感命令
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forbidden = ["rm ", "> /dev/", "chmod", "sudo"]
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if any(f in command for f in forbidden):
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return "🚫 安全风险：检测到非法指令，执行被拦截。"
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# 权限确认 (Y/N)
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print(f"\n\033[1;33m[Audit ID: {self.session_id}]\033[0m 请求执行: {command}")
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confirm = input("是否授权执行？(y/n/skip): ").lower()
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if confirm != 'y': return "Execution skipped by user."
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logging.info(f"Executing: {command} in {skill_name}")
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try:
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env = os.environ.copy()
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env["SKILL_CONTEXT"] = skill_name
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res = subprocess.run(command, shell=True, cwd=self.registry[skill_name]["root"],
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env=env, capture_output=True, text=True, timeout=30)
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if res.return_code != 0:
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# 工业级特性：自动将错误回传给 LLM 进行自愈 (Self-healing)
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logging.error(f"Command failed: {res.stderr}")
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if retry_count > 0:
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print(f"⚠️ 执行失败，尝试让 AI 自愈修复参数...")
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new_prompt = f"命令 '{command}' 失败，错误信息: {res.stderr}。请根据错误重新生成正确的命令，或提示用户补全参数。"
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# 这里会递归调用逻辑进行修复
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return self.run(new_prompt, is_retry=True)
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return f"Error: {res.stderr}"
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return res.stdout
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except Exception as e:
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return str(e)
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# --- 4. 递归文档注入与意图路由 ---
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def _get_expanded_context(self, skill_name: str, user_prompt: str):
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skill = self.registry[skill_name]
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base_content = skill["content"]
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# 扫描目录下的辅助文件夹
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sub_dirs = ["reference", "examples"]
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found_docs = []
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for d in sub_dirs:
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path = skill["root"] / d
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if path.exists():
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found_docs.extend([f"{d}/{f.name}" for f in path.glob("*.md")])
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if found_docs:
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# 仅在模型认为有必要时，“点餐式”加载
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choice = self.llm(f"用户问题: {user_prompt}\n可选深入文档: {found_docs}\n需要读取哪个？(仅返回路径，不需则返回 None)")
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if choice != "None" and any(choice in doc for doc in found_docs):
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with open(skill["root"] / choice, 'r') as f:
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print(f"📂 深度加载: {choice}")
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base_content += f"\n\n--- 深度参考 ({choice}) ---\n{f.read()}"
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return base_content
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# --- 5. 主运行接口 ---
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def run(self, user_prompt: str, is_retry=False):
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# 如果是重试，跳过技能选择
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if not is_retry:
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skill_map = {n: v["description"] for n, v in self.registry.items()}
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target = self.llm(f"用户意图: {user_prompt}\n可选技能清单: {skill_map}\n请返回匹配的技能名:")
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self.state["current_skill"] = target
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skill_name = self.state["current_skill"]
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if skill_name not in self.registry: return "Skill not found."
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# 获取递归上下文
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context = self._get_expanded_context(skill_name, user_prompt)
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# 决策：是直接回答还是执行脚本
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decision = self.llm(f"上下文: {context}\n问题: {user_prompt}\n决定动作：EXEC: <command> 或 ANSWER: <text>")
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if "EXEC:" in decision:
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cmd = decision.split("EXEC:")[1].strip()
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return self._execute_with_retry(cmd, skill_name)
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return decision.replace("ANSWER:", "").strip()
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