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VSCode中Jupyter无法识别.venv环境内pip的问题及解决

编辑: 问题已(基本)解决。发现可能存在两个问题因素:其一(本人情况)是最新版Jupyter扩展,切换回2025.8.0版本后恢复正常;其二(zoczkos的情况)是ipykernel版本,9月13日发布的7.0.0版本存在问题,6.30.1版本可正常使用。

编辑2: 将Jupyter VSCode扩展更新至2025.9.1,ipykernel更新至7.0.1后,可确认在VSCode 1.105.0上所有问题已完全解决。


问题描述

周五离开电脑时,VSCode里打开着多个Python/Jupyter脚本,一切运行正常。回家后发现电脑可能自动重启,或是未正确关机/休眠导致电量耗尽。

重启后,完全无法使用VSCode创建的.venv环境运行任何Jupyter Notebook。

最奇怪的是,pip及所有Jupyter库(notebook、ipykernel、IPython、ipywidgets)均已安装在site-packages目录下,但运行时始终提示:

Running cells with '.venv (Python 3.12.2)' requires the ipykernel and pip package.

点击Install后,又提示:

There is no Pip installer available in the selected environment.

尝试运行VSCode命令Jupyter: Select Interpreter to Start Jupyter Server并选择.venv时,始终收到提示:

Running cells with '.venv (Python 3.12.2)' requires the pip, jupyter and notebook package.

无法通过Jupyter扩展安装任何包,系统显示pip根本未安装。其他将Jupyter关联到.venv的方式(如Python: Select Interpreter)也均失败。

Jupyter已检测到.venv中的内核,但就是无法识别已安装的包。复制Jupyter输出的安装命令在.venv终端中运行,执行无问题,但Jupyter仍无法识别。

Jupyter输出的命令信息:

Running cells with '.venv (Python 3.12.2)' requires the ipykernel package.
Install 'ipykernel' into the Python environment. 
Command: "d:/path/.venv/Scripts/python.exe" -m pip install ipykernel -U --force-reinstall
已尝试的解决方案
  • 选中.venv作为解释器,无效果。
  • 卸载VSCode并删除.vscode文件夹后重装,问题仍存在。
  • 重装Python 3.12.2,问题依旧。
  • 用requirements.txt重新创建.venv,无效。
  • 修改VSCode设置(仍失败):
    "python.defaultInterpreterPath": ".\\.venv\\Scripts\\python.exe",
      "jupyter.allowUnauthorizedRemoteConnection": true,
      "python.terminal.activateEnvironment": true,
      "python.venvPath": ".\\.venv\\Scripts\\python.exe",
      "python.venvFolders": ["venv", ".venv"]
    
  • 在.venv终端运行py -m ipykernel install --user --name=.venv,在C:\Users\user\AppData\Roaming\jupyter\kernels\.venv创建了虚拟环境,但无济于事。
检测信息

Jupyter内核列表(执行jupyter kernelspec list)

Available kernels:
  python3    d:\path\.venv\share\jupyter\kernels\python3
  .venv      C:\Users\user\AppData\Roaming\jupyter\kernels\.venv

Jupyter调试输出

>jupyter --version
Selected Jupyter core packages...
IPython          : 9.6.0
ipykernel        : 6.30.1
ipywidgets       : 8.1.7
jupyter_client   : 8.6.3
jupyter_core     : 5.8.1
jupyter_server   : 2.17.0
jupyterlab       : 4.4.9
nbclient         : 0.10.2
nbconvert        : 7.16.6
nbformat         : 5.10.4
notebook         : 7.4.7
qtconsole        : not installed
traitlets        : 5.14.3
>jupyter --paths --debug
JUPYTER_PLATFORM_DIRS is set to a false value, or is not set, so we use hardcoded legacy paths for platform-specific directories
JUPYTER_PREFER_ENV_PATH is set to a true value, or JUPYTER_PREFER_ENV_PATH is not set and we detected a virtual environment, making the environment-level path preferred over the user-level path for data and config
JUPYTER_NO_CONFIG is not set, so we use the full path list for config
JUPYTER_CONFIG_PATH is not set, so we do not prepend anything to the config paths
JUPYTER_CONFIG_DIR is not set, so we use the default user-level config directory
Python's site.ENABLE_USER_SITE is not True, so we do not add the Python site user directory 'C:\Users\user\AppData\Roaming\Python'
JUPYTER_PATH is not set, so we do not prepend anything to the data paths
JUPYTER_DATA_DIR is not set, so we use the default user-level data directory
JUPYTER_RUNTIME_DIR is not set, so we use the default runtime directory

config:
    d:\path\.venv\etc\jupyter
    C:\Users\user\.jupyter
data:
    d:\path\.venv\share\jupyter
    C:\Users\user\AppData\Roaming\jupyter
runtime:
    C:\Users\user\AppData\Roaming\jupyter\runtime
环境信息
  • Python版本:3.12.2
  • VSCode版本:1.105.0
  • Jupyter扩展版本:2025.9.0
  • Windows版本:11 24H2 26100.6725

内容的提问来源于stack exchange,提问作者Soren V. Raben

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最近更新时间:2026.06.12 05:14:52