597 lines
21 KiB
Python
597 lines
21 KiB
Python
# modules/terminal_ops.py - 终端操作模块（修复Python命令检测）
|
||
|
||
import os
|
||
import sys
|
||
import asyncio
|
||
import subprocess
|
||
import shutil
|
||
import time
|
||
import signal
|
||
from pathlib import Path
|
||
from typing import Dict, Optional, Tuple, TYPE_CHECKING
|
||
try:
|
||
from config import (
|
||
CODE_EXECUTION_TIMEOUT,
|
||
TERMINAL_COMMAND_TIMEOUT,
|
||
FORBIDDEN_COMMANDS,
|
||
OUTPUT_FORMATS,
|
||
MAX_RUN_COMMAND_CHARS,
|
||
TOOLBOX_TERMINAL_IDLE_SECONDS,
|
||
)
|
||
except ImportError:
|
||
project_root = Path(__file__).resolve().parents[1]
|
||
if str(project_root) not in sys.path:
|
||
sys.path.insert(0, str(project_root))
|
||
from config import (
|
||
CODE_EXECUTION_TIMEOUT,
|
||
TERMINAL_COMMAND_TIMEOUT,
|
||
FORBIDDEN_COMMANDS,
|
||
OUTPUT_FORMATS,
|
||
MAX_RUN_COMMAND_CHARS,
|
||
TOOLBOX_TERMINAL_IDLE_SECONDS,
|
||
)
|
||
from modules.toolbox_container import ToolboxContainer
|
||
|
||
if TYPE_CHECKING:
|
||
from modules.user_container_manager import ContainerHandle
|
||
|
||
class TerminalOperator:
|
||
def __init__(self, project_path: str, container_session: Optional["ContainerHandle"] = None):
|
||
self.project_path = Path(project_path).resolve()
|
||
self.process = None
|
||
# 自动检测Python命令
|
||
self.python_cmd = self._detect_python_command()
|
||
print(f"{OUTPUT_FORMATS['info']} 检测到Python命令: {self.python_cmd}")
|
||
self._toolbox: Optional[ToolboxContainer] = None
|
||
self.container_session: Optional["ContainerHandle"] = container_session
|
||
|
||
def _reset_toolbox(self):
|
||
"""强制关闭并重建工具终端，保证每次命令/脚本运行独立环境。"""
|
||
if self._toolbox:
|
||
try:
|
||
self._toolbox.shutdown()
|
||
except Exception:
|
||
pass
|
||
self._toolbox = None
|
||
|
||
def _detect_python_command(self) -> str:
|
||
"""
|
||
自动检测可用的Python命令
|
||
|
||
Returns:
|
||
可用的Python命令（python、python3、py）
|
||
"""
|
||
# 按优先级尝试不同的Python命令
|
||
commands_to_try = []
|
||
|
||
if sys.platform == "win32":
|
||
# Windows优先顺序
|
||
commands_to_try = ["python", "py", "python3"]
|
||
else:
|
||
# Unix-like系统优先顺序
|
||
commands_to_try = ["python3", "python"]
|
||
|
||
# 检测哪个命令可用
|
||
for cmd in commands_to_try:
|
||
if shutil.which(cmd):
|
||
try:
|
||
# 验证是否真的可以运行
|
||
result = subprocess.run(
|
||
[cmd, "--version"],
|
||
capture_output=True,
|
||
text=True,
|
||
timeout=5
|
||
)
|
||
if result.returncode == 0:
|
||
# 检查版本是否为Python 3
|
||
output = result.stdout + result.stderr
|
||
if "Python 3" in output or "Python 2" not in output:
|
||
return cmd
|
||
except:
|
||
continue
|
||
|
||
# 如果都没找到，根据平台返回默认值
|
||
return "python" if sys.platform == "win32" else "python3"
|
||
|
||
def _get_toolbox(self) -> ToolboxContainer:
|
||
if self._toolbox is None:
|
||
self._toolbox = ToolboxContainer(
|
||
project_path=str(self.project_path),
|
||
idle_timeout=TOOLBOX_TERMINAL_IDLE_SECONDS,
|
||
container_session=self.container_session,
|
||
)
|
||
return self._toolbox
|
||
|
||
def set_container_session(self, session: Optional["ContainerHandle"]):
|
||
if session is self.container_session:
|
||
return
|
||
self.container_session = session
|
||
if self._toolbox:
|
||
self._toolbox.set_container_session(session)
|
||
|
||
def _validate_command(self, command: str) -> Tuple[bool, str]:
|
||
"""验证命令安全性"""
|
||
# 检查禁止的命令
|
||
for forbidden in FORBIDDEN_COMMANDS:
|
||
if forbidden in command.lower():
|
||
return False, f"禁止执行的命令: {forbidden}"
|
||
|
||
# 检查危险的命令模式
|
||
dangerous_patterns = [
|
||
"sudo",
|
||
"chmod 777",
|
||
"rm -rf",
|
||
"> /dev/",
|
||
"fork bomb"
|
||
]
|
||
|
||
for pattern in dangerous_patterns:
|
||
if pattern in command.lower():
|
||
return False, f"检测到危险命令模式: {pattern}"
|
||
|
||
return True, ""
|
||
|
||
@staticmethod
|
||
def _clamp_timeout(requested: Optional[int], default: int, max_limit: int) -> int:
|
||
"""对timeout进行默认化与上限夹紧。"""
|
||
if not requested or requested <= 0:
|
||
return default
|
||
return min(int(requested), max_limit)
|
||
|
||
async def run_command(
|
||
self,
|
||
command: str,
|
||
working_dir: str = None,
|
||
timeout: int = None
|
||
) -> Dict:
|
||
"""
|
||
执行终端命令
|
||
|
||
Args:
|
||
command: 要执行的命令
|
||
working_dir: 工作目录
|
||
timeout: 超时时间（秒）
|
||
|
||
Returns:
|
||
执行结果字典
|
||
"""
|
||
# 每次执行前重置工具容器（保持隔离），但下面改用一次性子进程执行，仍保留重置以兼容后续逻辑
|
||
self._reset_toolbox()
|
||
# 替换命令中的python3为实际可用的命令
|
||
if "python3" in command and self.python_cmd != "python3":
|
||
command = command.replace("python3", self.python_cmd)
|
||
elif "python" in command and "python3" not in command and self.python_cmd == "python3":
|
||
# 如果命令中有python（但不是python3），而系统使用python3
|
||
command = command.replace("python", self.python_cmd)
|
||
|
||
# 验证命令
|
||
valid, error = self._validate_command(command)
|
||
if not valid:
|
||
return {
|
||
"success": False,
|
||
"error": error,
|
||
"output": "",
|
||
"return_code": -1
|
||
}
|
||
|
||
# 设置工作目录
|
||
try:
|
||
work_path = self._resolve_work_path(working_dir)
|
||
except ValueError:
|
||
return {
|
||
"success": False,
|
||
"error": "工作目录必须在项目文件夹内",
|
||
"output": "",
|
||
"return_code": -1
|
||
}
|
||
|
||
# 默认10s，上限30s
|
||
timeout = self._clamp_timeout(timeout, default=10, max_limit=TERMINAL_COMMAND_TIMEOUT)
|
||
|
||
print(f"{OUTPUT_FORMATS['terminal']} 执行命令: {command}")
|
||
print(f"{OUTPUT_FORMATS['info']} 工作目录: {work_path}")
|
||
|
||
start_ts = time.time()
|
||
# 改为一次性子进程执行，确保等待到超时或命令结束
|
||
result_payload = await self._run_command_subprocess(command, work_path, timeout)
|
||
|
||
# 字符数检查
|
||
if result_payload.get("success") and "output" in result_payload:
|
||
char_count = len(result_payload["output"])
|
||
if char_count > MAX_RUN_COMMAND_CHARS:
|
||
return {
|
||
"success": False,
|
||
"error": f"结果内容过大，有{char_count}字符，请使用限制字符数的获取内容方式，根据程度选择10k以内的数",
|
||
"char_count": char_count,
|
||
"limit": MAX_RUN_COMMAND_CHARS,
|
||
"command": command
|
||
}
|
||
|
||
result_payload.setdefault("status", "completed" if result_payload.get("success") else "error")
|
||
result_payload["timeout"] = timeout
|
||
result_payload["elapsed_ms"] = int((time.time() - start_ts) * 1000)
|
||
return result_payload
|
||
|
||
def _resolve_work_path(self, working_dir: Optional[str]) -> Path:
|
||
if working_dir:
|
||
work_path = (self.project_path / working_dir).resolve()
|
||
work_path.relative_to(self.project_path)
|
||
return work_path
|
||
return self.project_path
|
||
|
||
def _format_toolbox_output(self, payload: Dict) -> Dict:
|
||
success = bool(payload.get("success"))
|
||
output_text = payload.get("output", "") or ""
|
||
# 去掉常见的交互式shell警告
|
||
noisy_lines = (
|
||
"bash: cannot set terminal process group",
|
||
"bash: no job control in this shell",
|
||
)
|
||
filtered = []
|
||
for line in output_text.splitlines():
|
||
if any(noise in line for noise in noisy_lines):
|
||
continue
|
||
filtered.append(line)
|
||
output_text = "\n".join(filtered)
|
||
result = {
|
||
"success": success,
|
||
"output": output_text,
|
||
"return_code": 0 if success else -1
|
||
}
|
||
if not success:
|
||
result["error"] = payload.get("error") or payload.get("message", "命令执行失败")
|
||
if "message" in payload:
|
||
result["message"] = payload["message"]
|
||
if "status" in payload:
|
||
result["status"] = payload["status"]
|
||
if "truncated" in payload:
|
||
result["truncated"] = payload["truncated"]
|
||
return result
|
||
|
||
async def _run_command_subprocess(self, command: str, work_path: Path, timeout: int) -> Dict:
|
||
start_ts = time.time()
|
||
try:
|
||
process = None
|
||
exec_cmd = None
|
||
use_shell = True
|
||
|
||
# 如果存在容器会话且模式为docker，则在容器内执行
|
||
if self.container_session and getattr(self.container_session, "mode", None) == "docker":
|
||
container_name = getattr(self.container_session, "container_name", None)
|
||
mount_path = getattr(self.container_session, "mount_path", "/workspace") or "/workspace"
|
||
docker_bin = shutil.which("docker") or "docker"
|
||
try:
|
||
relative = work_path.relative_to(self.project_path).as_posix()
|
||
except ValueError:
|
||
relative = ""
|
||
container_workdir = mount_path.rstrip("/")
|
||
if relative:
|
||
container_workdir = f"{container_workdir}/{relative}"
|
||
exec_cmd = [
|
||
docker_bin,
|
||
"exec",
|
||
"-w",
|
||
container_workdir,
|
||
container_name,
|
||
"/bin/bash",
|
||
"-lc",
|
||
command,
|
||
]
|
||
use_shell = False
|
||
|
||
# 统一环境，确保 Python 输出无缓冲
|
||
env = os.environ.copy()
|
||
env.setdefault("PYTHONUNBUFFERED", "1")
|
||
|
||
if use_shell:
|
||
process = await asyncio.create_subprocess_shell(
|
||
command,
|
||
stdout=asyncio.subprocess.PIPE,
|
||
stderr=asyncio.subprocess.PIPE,
|
||
cwd=str(work_path),
|
||
shell=True,
|
||
env=env,
|
||
start_new_session=True,
|
||
)
|
||
else:
|
||
process = await asyncio.create_subprocess_exec(
|
||
*exec_cmd,
|
||
stdout=asyncio.subprocess.PIPE,
|
||
stderr=asyncio.subprocess.PIPE,
|
||
env=env,
|
||
start_new_session=True,
|
||
)
|
||
|
||
stdout_buf: list[bytes] = []
|
||
stderr_buf: list[bytes] = []
|
||
|
||
async def _read_stream(stream, collector):
|
||
try:
|
||
async for chunk in stream:
|
||
if chunk:
|
||
collector.append(chunk)
|
||
except asyncio.CancelledError:
|
||
pass
|
||
except Exception:
|
||
pass
|
||
|
||
stdout_task = asyncio.create_task(_read_stream(process.stdout, stdout_buf))
|
||
stderr_task = asyncio.create_task(_read_stream(process.stderr, stderr_buf))
|
||
|
||
timed_out = False
|
||
try:
|
||
await asyncio.wait_for(process.wait(), timeout=timeout)
|
||
except asyncio.TimeoutError:
|
||
timed_out = True
|
||
try:
|
||
os.killpg(process.pid, signal.SIGINT)
|
||
except Exception:
|
||
pass
|
||
try:
|
||
await asyncio.wait_for(process.wait(), timeout=2)
|
||
except asyncio.TimeoutError:
|
||
try:
|
||
os.killpg(process.pid, signal.SIGKILL)
|
||
except Exception:
|
||
process.kill()
|
||
await process.wait()
|
||
|
||
# 确保读取协程结束
|
||
await asyncio.gather(stdout_task, stderr_task, return_exceptions=True)
|
||
|
||
# 兜底再读一次，防止剩余缓冲未被读取
|
||
try:
|
||
remaining_out = await process.stdout.read()
|
||
if remaining_out:
|
||
stdout_buf.append(remaining_out)
|
||
except Exception:
|
||
pass
|
||
try:
|
||
remaining_err = await process.stderr.read()
|
||
if remaining_err:
|
||
stderr_buf.append(remaining_err)
|
||
except Exception:
|
||
pass
|
||
|
||
stdout = b"".join(stdout_buf)
|
||
stderr = b"".join(stderr_buf)
|
||
|
||
stdout_text = stdout.decode('utf-8', errors='replace') if stdout else ""
|
||
stderr_text = stderr.decode('utf-8', errors='replace') if stderr else ""
|
||
|
||
success = (process.returncode == 0) and not timed_out
|
||
status = "completed" if success else ("timeout" if timed_out else "error")
|
||
|
||
output_parts = []
|
||
if stdout_text:
|
||
output_parts.append(stdout_text)
|
||
if stderr_text:
|
||
output_parts.append(stderr_text)
|
||
combined_output = "\n".join(output_parts)
|
||
|
||
truncated = False
|
||
if MAX_RUN_COMMAND_CHARS and len(combined_output) > MAX_RUN_COMMAND_CHARS:
|
||
truncated = True
|
||
combined_output = combined_output[-MAX_RUN_COMMAND_CHARS:]
|
||
|
||
response = {
|
||
"success": success,
|
||
"status": status,
|
||
"command": command,
|
||
"output": combined_output,
|
||
"return_code": process.returncode,
|
||
"truncated": truncated,
|
||
"timeout": timeout,
|
||
"elapsed_ms": int((time.time() - start_ts) * 1000)
|
||
}
|
||
if not success and timed_out:
|
||
response["message"] = f"命令执行超时 ({timeout}秒)"
|
||
elif not success and process.returncode is not None:
|
||
response["message"] = f"命令执行失败 (返回码: {process.returncode})"
|
||
if stderr_text:
|
||
response["stderr"] = stderr_text
|
||
return response
|
||
except Exception as exc:
|
||
return {
|
||
"success": False,
|
||
"status": "error",
|
||
"error": f"执行失败: {str(exc)}",
|
||
"output": "",
|
||
"return_code": -1,
|
||
"timeout": timeout,
|
||
"elapsed_ms": int((time.time() - start_ts) * 1000)
|
||
}
|
||
|
||
async def run_python_code(
|
||
self,
|
||
code: str,
|
||
timeout: int = None
|
||
) -> Dict:
|
||
"""
|
||
执行Python代码
|
||
|
||
Args:
|
||
code: Python代码
|
||
timeout: 超时时间（秒）
|
||
|
||
Returns:
|
||
执行结果字典
|
||
"""
|
||
timeout = self._clamp_timeout(timeout, default=20, max_limit=CODE_EXECUTION_TIMEOUT)
|
||
|
||
# 强制重置工具容器，避免上一段代码仍在运行时输出混入
|
||
self._reset_toolbox()
|
||
|
||
# 创建临时Python文件
|
||
temp_file = self.project_path / ".temp_code.py"
|
||
|
||
try:
|
||
# 写入代码
|
||
with open(temp_file, 'w', encoding='utf-8') as f:
|
||
f.write(code)
|
||
|
||
print(f"{OUTPUT_FORMATS['code']} 执行Python代码")
|
||
|
||
try:
|
||
relative_temp = temp_file.relative_to(self.project_path).as_posix()
|
||
except ValueError:
|
||
relative_temp = temp_file.as_posix()
|
||
|
||
# 使用检测到的Python命令执行文件（相对路径可兼容容器挂载路径）
|
||
result = await self.run_command(
|
||
f'{self.python_cmd} -u "{relative_temp}"',
|
||
timeout=timeout
|
||
)
|
||
|
||
# 添加代码到结果
|
||
result["code"] = code
|
||
|
||
return result
|
||
|
||
finally:
|
||
# 清理临时文件
|
||
if temp_file.exists():
|
||
temp_file.unlink()
|
||
|
||
async def run_python_file(
|
||
self,
|
||
file_path: str,
|
||
args: str = "",
|
||
timeout: int = None
|
||
) -> Dict:
|
||
"""
|
||
执行Python文件
|
||
|
||
Args:
|
||
file_path: Python文件路径
|
||
args: 命令行参数
|
||
timeout: 超时时间（秒）
|
||
|
||
Returns:
|
||
执行结果字典
|
||
"""
|
||
# 构建完整路径
|
||
full_path = (self.project_path / file_path).resolve()
|
||
|
||
# 验证文件存在
|
||
if not full_path.exists():
|
||
return {
|
||
"success": False,
|
||
"error": "文件不存在",
|
||
"output": "",
|
||
"return_code": -1
|
||
}
|
||
|
||
# 验证是Python文件
|
||
if not full_path.suffix == '.py':
|
||
return {
|
||
"success": False,
|
||
"error": "不是Python文件",
|
||
"output": "",
|
||
"return_code": -1
|
||
}
|
||
|
||
# 验证文件在项目内
|
||
try:
|
||
full_path.relative_to(self.project_path)
|
||
except ValueError:
|
||
return {
|
||
"success": False,
|
||
"error": "文件必须在项目文件夹内",
|
||
"output": "",
|
||
"return_code": -1
|
||
}
|
||
|
||
print(f"{OUTPUT_FORMATS['code']} 执行Python文件: {file_path}")
|
||
|
||
try:
|
||
relative_path = full_path.relative_to(self.project_path).as_posix()
|
||
except ValueError:
|
||
relative_path = full_path.as_posix()
|
||
|
||
# 使用检测到的Python命令构建命令
|
||
command = f'{self.python_cmd} "{relative_path}"'
|
||
if args:
|
||
command += f" {args}"
|
||
|
||
# 执行命令
|
||
return await self.run_command(command, timeout=timeout)
|
||
|
||
async def install_package(self, package: str) -> Dict:
|
||
"""
|
||
安装Python包
|
||
|
||
Args:
|
||
package: 包名
|
||
|
||
Returns:
|
||
安装结果
|
||
"""
|
||
print(f"{OUTPUT_FORMATS['terminal']} 安装包: {package}")
|
||
|
||
# 使用检测到的Python命令安装
|
||
command = f'{self.python_cmd} -m pip install {package}'
|
||
|
||
result = await self.run_command(command, timeout=120)
|
||
|
||
if result["success"]:
|
||
print(f"{OUTPUT_FORMATS['success']} 包安装成功: {package}")
|
||
else:
|
||
print(f"{OUTPUT_FORMATS['error']} 包安装失败: {package}")
|
||
|
||
return result
|
||
|
||
async def check_environment(self) -> Dict:
|
||
"""检查Python环境"""
|
||
print(f"{OUTPUT_FORMATS['info']} 检查Python环境...")
|
||
|
||
env_info = {
|
||
"python_command": self.python_cmd,
|
||
"python_version": "",
|
||
"pip_version": "",
|
||
"installed_packages": [],
|
||
"working_directory": str(self.project_path)
|
||
}
|
||
|
||
# 获取Python版本
|
||
version_result = await self.run_command(
|
||
f'{self.python_cmd} --version',
|
||
timeout=5
|
||
)
|
||
if version_result["success"]:
|
||
env_info["python_version"] = version_result["output"].strip()
|
||
|
||
# 获取pip版本
|
||
pip_result = await self.run_command(
|
||
f'{self.python_cmd} -m pip --version',
|
||
timeout=5
|
||
)
|
||
if pip_result["success"]:
|
||
env_info["pip_version"] = pip_result["output"].strip()
|
||
|
||
# 获取已安装的包
|
||
packages_result = await self.run_command(
|
||
f'{self.python_cmd} -m pip list --format=json',
|
||
timeout=10
|
||
)
|
||
if packages_result["success"]:
|
||
try:
|
||
import json
|
||
packages = json.loads(packages_result["output"])
|
||
env_info["installed_packages"] = [
|
||
f"{p['name']}=={p['version']}" for p in packages
|
||
]
|
||
except:
|
||
pass
|
||
|
||
return {
|
||
"success": True,
|
||
"environment": env_info
|
||
}
|
||
|
||
def kill_process(self):
|
||
"""终止当前运行的进程"""
|
||
if self.process and self.process.returncode is None:
|
||
self.process.kill()
|
||
print(f"{OUTPUT_FORMATS['warning']} 进程已终止")
|