109 lines
4.2 KiB
Python
109 lines
4.2 KiB
Python
"""run_python: 在 subprocess 里执行 Python 代码 (Hybrid 范式的关键)。
|
|
|
|
JSON tool call 处理离散操作 (read/edit/shell),run_python 处理连续逻辑
|
|
(数据计算、批处理、生成 .pptx/.docx)。让模型自己挑工具。
|
|
|
|
阶段 1 (本地): subprocess + 工作目录限制 + 敏感环境变量过滤
|
|
阶段 2 (后期): Docker / E2B 替换执行后端
|
|
"""
|
|
from __future__ import annotations
|
|
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
from pathlib import Path
|
|
|
|
from .base import Tool, compact_tool_output
|
|
|
|
_SENSITIVE_PATTERNS = ("API_KEY", "TOKEN", "SECRET", "PASSWORD", "PRIVATE_KEY")
|
|
|
|
|
|
class RunPythonTool(Tool):
|
|
name = "run_python"
|
|
description = (
|
|
"Execute Python code in a subprocess. Returns stdout/stderr/exit_code.\n"
|
|
"Use script_path for non-trivial code: write the .py under scripts/ (e.g. scripts/analyze.py) first, "
|
|
"then execute it so the full source stays in files instead of conversation history.\n"
|
|
"Use inline code only for short throwaway snippets (a quick calc / one-line probe) — these run from a temp file and leave no trace.\n"
|
|
"Good for: data analysis, batch file ops, document generation (.pptx/.docx), "
|
|
"matplotlib charts, or any task where Python is more natural than chaining tools.\n"
|
|
"Working directory is the agent's base dir (task_dir); relative paths resolve against it. "
|
|
"Keep process scripts in scripts/; write deliverables to task_dir root or the SKILL-specified path.\n"
|
|
"Available libs (install with shell pip if missing): "
|
|
"pandas, numpy, matplotlib, python-pptx, python-docx, requests, pypdf."
|
|
)
|
|
parameters = {
|
|
"type": "object",
|
|
"properties": {
|
|
"code": {
|
|
"type": "string",
|
|
"description": "Short Python source. For longer code, write a .py file and pass script_path.",
|
|
},
|
|
"script_path": {
|
|
"type": "string",
|
|
"description": "Path to an existing .py file to execute (relative to task_dir). Prefer this for non-trivial code; keep such scripts under scripts/.",
|
|
},
|
|
"timeout": {"type": "integer", "default": 120, "description": "Seconds before kill"},
|
|
},
|
|
"required": [],
|
|
}
|
|
|
|
def execute(
|
|
self,
|
|
code: str | None = None,
|
|
script_path: str | None = None,
|
|
timeout: int = 120,
|
|
) -> str:
|
|
cleanup_script = False
|
|
if script_path:
|
|
script = self._resolve(script_path)
|
|
if not script.is_file():
|
|
return f"[Error] script_path not found: {self._display(script)}"
|
|
elif isinstance(code, str):
|
|
# 写到临时文件,避免 -c 转义问题
|
|
with tempfile.NamedTemporaryFile(
|
|
suffix=".py", mode="w", delete=False, encoding="utf-8"
|
|
) as f:
|
|
f.write(code)
|
|
script = Path(f.name)
|
|
cleanup_script = True
|
|
else:
|
|
return "[Error] run_python requires code or script_path"
|
|
|
|
try:
|
|
env = os.environ.copy()
|
|
for k in list(env):
|
|
u = k.upper()
|
|
if any(p in u for p in _SENSITIVE_PATTERNS):
|
|
del env[k]
|
|
env["PYTHONIOENCODING"] = "utf-8"
|
|
env["PYTHONPATH"] = str(self.base_dir) + os.pathsep + env.get("PYTHONPATH", "")
|
|
|
|
result = subprocess.run(
|
|
[sys.executable, str(script)],
|
|
cwd=str(self.base_dir),
|
|
capture_output=True,
|
|
timeout=timeout,
|
|
text=True,
|
|
encoding="utf-8",
|
|
errors="replace",
|
|
env=env,
|
|
)
|
|
except subprocess.TimeoutExpired:
|
|
return f"[Error] python script timed out after {timeout}s"
|
|
finally:
|
|
if cleanup_script:
|
|
try:
|
|
script.unlink()
|
|
except OSError:
|
|
pass
|
|
|
|
parts = []
|
|
if result.stdout:
|
|
parts.append(f"[stdout]\n{result.stdout.rstrip()}")
|
|
if result.stderr:
|
|
parts.append(f"[stderr]\n{result.stderr.rstrip()}")
|
|
parts.append(f"[exit {result.returncode}]")
|
|
return compact_tool_output("\n".join(parts))
|