#7221 [Errno 2] No such file or directory: 'nul',Traceback (most recent call last): File

这是由于 dill 库在 Windows 环境下尝试访问系统设备文件 nul 失败导致的（通常与系统环境或权限异常有关），属于底层依赖报错，并非软件本体功能错误。

请按以下步骤尝试解决：

1. 确认软件解压路径不含中文、空格及特殊符号（当前路径 E:\pyvideotrans\win-pyvideotrans-v4.12-0912 符合要求，可排除此项）。
2. 关闭杀毒软件（如 360、火绒、腾讯管家、Windows Defender 等），或将软件目录整体加入信任白名单后重试。杀毒软件拦截 nul 设备访问是此类报错的常见诱因。
3. 若仍报错，请尝试以管理员权限运行 sp.exe。
4. 若上述方法均无效，建议重新下载最新完整包（非补丁包）并解压到全新的英文目录（例如 D:\pyVideoTrans）后再试，排除下载或解压过程中文件损坏的可能。

如果问题依旧存在，请提供软件安装目录下 logs/ 文件夹中最新的日志文件（复制底部约30行报错信息）以便进一步分析。

import torch.utils.data.graph_settings

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\graph_settings.py", line 8, in

from torch.utils.data.datapipes.iter.sharding import (

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\__init__.py", line 1, in

from torch.utils.data.datapipes import dataframe as dataframe, iter as iter, map as map

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\dataframe\__init__.py", line 1, in

from torch.utils.data.datapipes.dataframe.dataframes import (

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\dataframe\dataframes.py", line 4, in

from torch.utils.data.datapipes._decorator import functional_datapipe

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\_decorator.py", line 7, in

from torch.utils.data.datapipes.datapipe import IterDataPipe, MapDataPipe

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\datapipe.py", line 17, in

dill = import_dill()

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\_import_utils.py", line 37, in import_dill

import dill

File "", line 1027, in _find_and_load
File "", line 1006, in _find_and_load_unlocked
File "", line 688, in _load_unlocked
File "pyimod02_importers.py", line 457, in exec_module
File "dill\__init__.py", line 26, in
File "", line 1027, in _find_and_load
File "", line 1006, in _find_and_load_unlocked
File "", line 688, in _load_unlocked
File "pyimod02_importers.py", line 457, in exec_module
File "dill\_dill.py", line 163, in
File "dill\_dill.py", line 156, in get_file_type
FileNotFoundError: [Errno 2] No such file or directory: 'nul'

这是 dill 库在 Windows 上初始化时调用 os.stat('nul') 访问系统空设备失败所致。nul 是 Windows 保留的设备名，正常情况下任何进程都可以访问它；一旦报 No such file or directory，通常是系统层面的 nul 设备被破坏，或杀毒软件/安全策略拦截了对该设备的访问。

请按顺序尝试：

1. 关闭杀毒软件：将 360、火绒、腾讯管家、Windows Defender 的实时防护临时关闭，或将 E:\pyvideotrans\win-pyvideotrans-v4.12-0912 整个目录加入信任白名单，然后重新启动软件。这是该报错最常见的诱因。

2. 检查系统 nul 设备是否正常：打开 CMD，执行 echo test > nul，若同样报错，说明系统 nul 设备损坏。可尝试以管理员身份执行：

   sfc /scannow

   修复后重启电脑。

3. 以管理员身份运行：右键 sp.exe → 以管理员身份运行。
4. 更换解压位置：将软件解压到一个全新的纯英文浅层目录（例如 D:\pyVideoTrans），建议位于非系统盘，避免权限问题。
5. 重新下载完整包：若为补丁包覆盖或解压损坏，请重新下载最新完整包覆盖。

如果以上步骤均无效，请提供 logs/ 目录下对应日期的日志文件（复制底部约30行）以便进一步分析。

Traceback (most recent call last):
File "videotrans\task\simple_runnable_qt.py", line 14, in run
File "videotrans\mainwin\main_win.py", line 177, in _daemon
File "videotrans\util\_ffmpeg_hwcodec.py", line 15, in check_hw_on_start
File "videotrans\util\_ffmpeg_hwcodec.py", line 19, in get_video_codec
File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\__init__.py", line 2126, in

from torch import _VF as _VF, functional as functional  # usort: skip

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\functional.py", line 8, in

import torch.nn.functional as F

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\nn\__init__.py", line 8, in

from torch.nn.modules import *  # usort: skip # noqa: F403

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\nn\modules\__init__.py", line 1, in

from .module import Module  # usort: skip

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\to
......
.dataloader import (
File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\dataloader.py", line 22, in

import torch.utils.data.graph_settings

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\graph_settings.py", line 8, in

from torch.utils.data.datapipes.iter.sharding import (

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\__init__.py", line 1, in

from torch.utils.data.datapipes import dataframe as dataframe, iter as iter, map as map

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\dataframe\__init__.py", line 1, in

from torch.utils.data.datapipes.dataframe.dataframes import (

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\dataframe\dataframes.py", line 4, in

from torch.utils.data.datapipes._decorator import functional_datapipe

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\_decorator.py", line 7, in

from torch.utils.data.datapipes.datapipe import IterDataPipe, MapDataPipe

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\data\datapipes\datapipe.py", line 17, in

dill = import_dill()

File "E:\pyvideotrans\win-pyvideotrans-v4.12-0912\_internal\torch\utils\_import_utils.py", line 37, in import_dill

import dill

File "", line 1027, in _find_and_load
File "", line 1006, in _find_and_load_unlocked
File "", line 688, in _load_unlocked
File "pyimod02_importers.py", line 457, in exec_module
File "dill\__init__.py", line 26, in
File "", line 1027, in _find_and_load
File "", line 1006, in _find_and_load_unlocked
File "", line 688, in _load_unlocked
File "pyimod02_importers.py", line 457, in exec_module
File "dill\_dill.py", line 163, in
File "dill\_dill.py", line 156, in get_file_type
FileNotFoundError: [Errno 2] No such file or directory: 'nul'

该报错与上次相同的根因：dill 库在初始化时尝试访问 Windows 空设备 nul，但系统返回"找不到文件"，属于系统层面 nul 设备异常或被安全软件拦截，与 pyVideoTrans 本身功能无关。请按以下顺序尝试：

1. 关闭杀毒软件：将 360、火绒、腾讯管家、Windows Defender 的实时防护临时关闭，或将 E:\pyvideotrans\win-pyvideotrans-v4.12-0912 整个目录加入信任白名单，然后重启软件。这是该报错最常见诱因。

2. 验证系统 nul 设备是否正常：打开 CMD，执行 echo test > nul。

   • 若报错 → 系统 nul 设备已损坏，以管理员身份执行 sfc /scannow，完成后重启电脑。
   • 若正常 → 说明是安全软件或权限拦截导致，重点排查第 1 步与第 3 步。
3. 以管理员身份运行：右键 sp.exe → 以管理员身份运行。
4. 更换解压目录：将软件解压到一个全新的纯英文浅层非系统盘目录（例如 D:\pyVideoTrans），避免权限或路径问题。
5. 重新下载完整包：若当前为补丁包覆盖或解压过程有损坏，请重新下载最新完整包覆盖安装。

如果以上均无效，请提供 logs/ 目录下对应日期的日志文件（复制底部约30行）以便进一步分析。