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SandboxAgent — Persistent VS Code sandbox execution (Devin-style)
Controls file system, terminal, git operations in workspace
"""
import asyncio
import json
import os
import subprocess
import tempfile
from typing import Dict, List, Optional
import structlog
from .base_agent import BaseAgent
log = structlog.get_logger()
WORKSPACE = os.environ.get("WORKSPACE_DIR", "/tmp/god_workspace")
class SandboxAgent(BaseAgent):
def __init__(self, ws_manager=None, ai_router=None):
super().__init__("SandboxAgent", ws_manager, ai_router)
os.makedirs(WORKSPACE, exist_ok=True)
async def run(self, task: str, context: Dict = {}, **kwargs) -> str:
session_id = kwargs.get("session_id", "")
task_id = kwargs.get("task_id", "")
task_lower = task.lower()
if "execute" in task_lower or "run" in task_lower or "terminal" in task_lower:
cmd = context.get("command", task)
return await self.execute(cmd, task_id=task_id, session_id=session_id)
elif "write file" in task_lower or "create file" in task_lower:
filename = context.get("filename", "output.txt")
content = context.get("content", "")
return await self.write_file(filename, content, task_id=task_id, session_id=session_id)
elif "read file" in task_lower:
filename = context.get("filename", "")
return await self.read_file(filename, task_id=task_id, session_id=session_id)
elif "git" in task_lower:
return await self.git_operation(task, task_id=task_id, session_id=session_id)
else:
return await self.execute(task, task_id=task_id, session_id=session_id)
# ─── Terminal Execution ───────────────────────────────────────────────────
async def execute(
self,
command: str,
cwd: str = "",
timeout: int = 30,
task_id: str = "",
session_id: str = "",
) -> str:
"""Execute shell command in sandbox workspace."""
work_dir = cwd or WORKSPACE
# Safety: block dangerous commands
blocked = ["rm -rf /", ":(){ :|:& };:", "mkfs", "shutdown", "reboot", "halt", "dd if=/dev/"]
for b in blocked:
if b in command:
return f"❌ Blocked dangerous command: {command[:50]}"
await self.emit(task_id, "sandbox_exec", {
"command": command[:200],
"cwd": work_dir,
}, session_id)
try:
proc = await asyncio.create_subprocess_shell(
command,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
cwd=work_dir,
)
stdout, stderr = await asyncio.wait_for(proc.communicate(), timeout=timeout)
output = stdout.decode("utf-8", errors="replace")
err = stderr.decode("utf-8", errors="replace")
result = output[:3000]
if err and proc.returncode != 0:
result += f"\n⚠️ stderr:\n{err[:500]}"
await self.emit(task_id, "sandbox_result", {
"command": command[:100],
"exit_code": proc.returncode,
"output_length": len(output),
"success": proc.returncode == 0,
}, session_id)
return result or f"Command executed (exit code: {proc.returncode})"
except asyncio.TimeoutError:
return f"⚠️ Command timed out after {timeout}s"
except Exception as e:
return f"❌ Execution error: {str(e)}"
# ─── File Operations ──────────────────────────────────────────────────────
async def write_file(
self,
filename: str,
content: str,
task_id: str = "",
session_id: str = "",
) -> str:
"""Write file to workspace."""
filepath = os.path.join(WORKSPACE, filename)
os.makedirs(os.path.dirname(filepath), exist_ok=True)
try:
with open(filepath, "w", encoding="utf-8") as f:
f.write(content)
await self.emit(task_id, "file_written", {
"filename": filename,
"size": len(content),
"lines": len(content.split("\n")),
"path": filepath,
}, session_id)
return f"✅ File written: `{filename}` ({len(content)} chars, {len(content.split(chr(10)))} lines)"
except Exception as e:
return f"❌ Write failed: {str(e)}"
async def read_file(
self,
filename: str,
task_id: str = "",
session_id: str = "",
) -> str:
"""Read file from workspace."""
filepath = os.path.join(WORKSPACE, filename)
try:
with open(filepath, "r", encoding="utf-8") as f:
content = f.read()
await self.emit(task_id, "file_read", {
"filename": filename,
"size": len(content),
}, session_id)
return content[:5000]
except FileNotFoundError:
return f"❌ File not found: {filename}"
except Exception as e:
return f"❌ Read failed: {str(e)}"
async def list_files(self, path: str = "") -> List[str]:
"""List files in workspace."""
target = os.path.join(WORKSPACE, path) if path else WORKSPACE
try:
result = []
for root, dirs, files in os.walk(target):
# Skip hidden and cache dirs
dirs[:] = [d for d in dirs if not d.startswith(".") and d != "__pycache__" and d != "node_modules"]
for f in files:
rel = os.path.relpath(os.path.join(root, f), WORKSPACE)
result.append(rel)
if len(result) > 100:
break
return result
except Exception:
return []
# ─── Git Operations ───────────────────────────────────────────────────────
async def git_operation(
self,
task: str,
repo_path: str = "",
task_id: str = "",
session_id: str = "",
) -> str:
"""Perform git operations in workspace."""
work_dir = repo_path or WORKSPACE
task_lower = task.lower()
if "clone" in task_lower:
# Extract URL
words = task.split()
urls = [w for w in words if "github.com" in w or "gitlab.com" in w or ".git" in w]
if urls:
url = urls[0]
return await self.execute(f"git clone {url}", cwd=WORKSPACE, task_id=task_id, session_id=session_id)
return "❌ No git URL found in task."
elif "commit" in task_lower:
msg = task.replace("commit", "").strip() or "God Agent automated commit"
cmds = [
"git add -A",
f'git commit -m "{msg}"',
]
results = []
for cmd in cmds:
r = await self.execute(cmd, cwd=work_dir, task_id=task_id, session_id=session_id)
results.append(r)
return "\n".join(results)
elif "push" in task_lower:
return await self.execute("git push", cwd=work_dir, task_id=task_id, session_id=session_id)
elif "status" in task_lower:
return await self.execute("git status", cwd=work_dir, task_id=task_id, session_id=session_id)
elif "log" in task_lower:
return await self.execute("git log --oneline -10", cwd=work_dir, task_id=task_id, session_id=session_id)
elif "init" in task_lower:
return await self.execute("git init && git add -A", cwd=work_dir, task_id=task_id, session_id=session_id)
else:
return await self.execute(task, cwd=work_dir, task_id=task_id, session_id=session_id)
# ─── Package Management ───────────────────────────────────────────────────
async def install_packages(
self,
packages: List[str],
manager: str = "pip",
task_id: str = "",
session_id: str = "",
) -> str:
"""Install packages in workspace."""
pkg_str = " ".join(packages)
if manager == "pip":
cmd = f"pip install {pkg_str}"
elif manager == "npm":
cmd = f"npm install {pkg_str}"
elif manager == "pnpm":
cmd = f"pnpm add {pkg_str}"
else:
cmd = f"{manager} install {pkg_str}"
await self.emit(task_id, "installing_packages", {
"manager": manager,
"packages": packages,
}, session_id)
return await self.execute(cmd, task_id=task_id, session_id=session_id)
# ─── Workspace Info ───────────────────────────────────────────────────────
async def get_workspace_info(self) -> Dict:
"""Get workspace status."""
files = await self.list_files()
try:
disk = await self.execute("df -h /tmp | tail -1")
except Exception:
disk = "N/A"
return {
"path": WORKSPACE,
"file_count": len(files),
"files": files[:20],
"disk_usage": disk,
}
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