yml fails on ubuntu-latest because of PEP 668 #1610 Closed rspeer opened this issue 3 weeks ago · 1 comment · Fixed by #1614 rspeer commented 3 weeks ago • Jan 6, 2026 · Externally Managed Environments ¶ While some Python installations are entirely managed by the user that installed Python, others may be provided and managed by another means (such as the operating system package manager in a Linux distribution, or as a bundled Python environment in an application with a dedicated installer). 04 has adopted PEP 668 and this is preventing the extension from configuring (VSC-1098) #949 Closed 1 task done moefear85 opened this issue Apr 22, 2023 · 9 comments · Fixed by #956 This would improve the installation experience and align with PEP 668 best practices. Aug 9, 2025 · The core tenet of PEP 668, as adopted by Debian and Ubuntu, is to mark the Python base environment as externally-managed. Starting in 3. 11 there’s now a requirement to use a venv when installing stuff - otherwise “sudo pip3 install frappe-bench” should give “error: externally-managed-environment” 如終端輸出所示，這是由於PEP 668 創造的變更。 器安裝的套件發生衝突。 不過，使用者仍然可以像以前一樣強制 pip 安裝到解釋器的全域上下文。 到目前為止，此問題的解決方法包括： 從系統儲存庫安裝 Python 套件（如果存在）。 像 22. # pip3 install pipenv error: externally-managed- Dec 18, 2023 · hint: See PEP 668 for the detailed specification. 5+, Ubuntu 23. Attempting to use conventional Python packaging tools to manipulate This PEP proposes a mechanism for a Python installation to communicate to tools like pip that its global package installation context is managed by some means external to Python, such as an OS package manager. 04 containers for exposing a single entry point application, e. Feb 6, 2023 · A number of my Alpine-edge based Linux container builds are already broken because of this PEP’s somewhat contradictory guidance regarding containers. Breaking all user installs that don’t use a virtual environment (which happens to be one of the most wasteful constructs, BTW), just to convenience “distros” completely misses the end-user perspective; and, at last count, end-users far outnumbered distros, although if PEPs like this keep getting accepted in an echo chamber of for both system-wide and user-specific installations (see PEP 668 ) and a recommendation to install Python packages in a Python virtual environment (venv). Feb 1, 2025 · This PEP proposes a mechanism for a Python installation to communicate to tools like pip that its global package installation context is managed by some means external to Python, such as an OS package manager. , pip) to install packages using a virtual environment, to avoid conflicts to packages installed by OS package managers. This includes the “sudo pip install” problem, but it’s a little more general than that. I tried to install with pip, but got this error related to externally Jan 27, 2024 · We can explore the topic further: PEP 668 [Fixed] PIP Error: externally-managed-environment Option I. May 31, 2025 · 「externally-managed-environment」エラーは、 PEP 668 という仕様に基づいて導入された仕組みです。 Ubuntu 23. It seemed finally Debian/Ubuntu have enforced this rule of installing non-Debian-packaged Python package using `venv`, as described to PEP 668 – Marking Python base environments as "externally managed". 11. Here’s some alternative title suggestions: Protected “externally managed Dec 13, 2025 · Ubuntu 22. 04+, Debian 12+, and Fedora 38+ now protect their system Python environments Jun 6, 2024 · 前言 现象 在 Manjaro 22、 Ubuntu 23. Since Ubuntu 23. Here are the Oct 6, 2025 · With the adoption of PEP 668 (Externally Managed Environments), modern Linux distributions such as RHEL 8. Jan 11, 2026 · Ubuntu 24. Meaning that a python library version might change unexpectedly. To maintain a clean and controlled environment for Python projects, it’s crucial to use virtual environments. 04对Python包管理的新限制，本文将深入分析其技术背景并提供专业解决方案。 问题根源：PEP 668与系统Python保护机制 Mar 30, 2025 · エンジニアから経営者へ、現在株式会社DTダイナミクス代表取締役社長。シリコンバレーテック企業に6年駐在し現地のテックリードとして従事。帰国後はスマホ、Web系開発をへて徐々にマネジメントを中心に活動。現在は大手製造にてエンジニア組織の立ち上げ、 その後その組織をスピンオフ May 16, 2024 · The repos for Ubuntu 23. Apr 17, 2023 · instalation error: externally-managed-environment PEP 668 #4050 New issue Closed as not planned MiladHossein Apr 21, 2024 · Seeing an "externally managed environment" error while using Pip in Ubuntu 23. And yet when built, it fails: Aug 9, 2025 · Ubuntu 24. Here's the core of the problem PEP 668 solves: Nov 18, 2025 · Step-by-step fixes for the error: externally-managed-environment pip issue—venv, pipx, apt, diagnostics, and safe overrides. This was implemented in an attempt to avoid conflict between the distribution's package manager and Python package management tools. This standard marks the system’s Python environment as “externally managed” to protect it from modifications that might cause Mar 1, 2023 · PEP 668 is a way for distributions to explicitly tell users to avoid falling into this pitfall. org>, Donald Stufft <donald at stufft. python-pip version 23. Make sure you're not currently in a virtual environment, then run the following command: $ pip3 list --user Sep 2, 2024 · I upgraded to Ubuntu 24. 安装虚拟环境支持sudo apt insta Feb 1, 2025 · PEP 668 – 将 Python 基础环境标记为“外部管理” 作者: Geoffrey Thomas <geofft at ldpreload. 0+dfsg-1 includes PEP668 support, upstream. Now, when I run a pip command (installed using sudo apt install python3-pip), I get this error: $ pip install --user <foobar> error: externally-managed-environment Jun 13, 2022 · PEP 668: Address feedback and mark as accepted python:main ← pradyunsg:pep-668-accepted opened 04:16PM - 25 Jun 22 UTC pradyunsg +8-6 1 Like hroncok (Miro Hrončok) October 7, 2022, 11:42am 46 Feb 25, 2025 · hint: See PEP 668 for the detailed specification. With this PEP, Python tools can now distinguish between packages that have been installed by the user with a tool like pip and ones installed using a distribution's package manager, like apt. 6 (main, Aug 10 2022, 11:40:04) [GCC Feb 3, 2023 · Debian is getting ready to implement this, for Debian 12 (“bookworm”). 04）上用户 python 包管理的影响。 由于系统python环境被标记为“外部管理”，传统的`pip install --user`命令不再适用。 Feb 11, 2024 · It looks like some distributions, namely alpine, have adopted PEP 668 which wants to prevent you from mix-and-matching system package manager installed packages with pip installed ones: A long-standing practical problem for Python users has been conflicts between OS package managers and Python-specific package management tools like pip. In Ubuntu 24. The entire busybox image can fit in the venv overhead 4 times over. If you cannot or don't want to use the venv module, you can force pip to install the package with the --break-system-packages switch, which will override the default behavior. 04はpython3-pipパッケージがなく (4/27 訂正: apt-get updateしたらpython3-pipパッケージあっ May 2, 2023 · With the new release of Ubuntu they adopted PEP 668 to make Python base environments as “externally managed”. Jun 11, 2024 · Recent versions of operating systems, such as Raspberry Pi OS Bookwork, Debian 12, and Ubuntu 24, have made changes that make installing Python packages using the Pip package manager more difficult. 04 LTS and newer versions implement PEP 668, which restricts system-wide pip installations to protect packages managed by apt. 11 version 3. This PEP is a historical document - the up-to-date canonical spec is Externally Managed Environments. I am facing issues to deal with the python packages. 04, it recommends Python-specific package management tools (e. May 23, 2025 · When using pip command to install a Python package in Ubuntu 24. cc @geofft @doko42 @FFY00 @dstufft Nov 9, 2023 · That proposal was never submitted. 04、 Fedora 38 等最新的linux发行版中运行pip install时，通常会收到一个错误提示： error: externally-managed-environment，即“外部管理环境”错误，但这不是一个 bug。 如果您想阅读，这是完整的错误信息： 如果你希望代码可重复运行，这很糟糕：你现在安装并导入了一个特定版本的 Python YAML 库，可能与你的代码期望的版本不匹配。 如果你想安装用 Python 编写的应用程序，你可以直接安装 Linux 发行版提供的版本，例如在 Ubuntu 上使用。 _pep 668 Setting Up cocotb on Ubuntu 22. 04+ with PEP 668: A Complete Guide In the past, older versions of cocotb could be installed directly into the system Python, but modern Linux distributions Sep 5, 2023 · I am having this error while installing a package using PIP, How to fix it? [xyro@arch ~]$ pip install flask error: externally-managed-environment × This environment . 04, running python 3. Jun 8, 2024 · You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages. 04 DNAnexus Application Execution Environment (AEE), the environment variable PIP_BREAK_SYSTEM_PACKAGES=1 is set. Lorsque vous utilisez la commande pip pour installer un package Python dans Ubuntu 24. This is the recommended approach for all development work. and Python-specific package managers like pip play more nicely together. 04版本，许多开发者在使用actions/setup-python时遇到了"externally-managed-environment"错误。 这个问题源于Ubuntu 24. Jul 6, 2023 · To finish, and to give a bit of a broader context: the PEP 668 proposal came about as a coordinated effort from various software distributions to fix this long-standing issue of pip breaking other package managers too easily. 原因是：Ubuntu系统或某些系统级服务管理的Python环境中使用pip来安装包，为确保系统稳定安全，将这个install认为是“外部管理”的，意味着它可能已经被Ubuntu的某些部分或其他系统级服务所依赖。 Mar 2, 2023 · This is a result of PEP 668. Steps to Reproduce: We would like to show you a description here but the site won’t allow us. Aug 24, 2021 · At the “Linux in Distros” sprint at PyCon US in May, we drafted a PEP about making external package managers like apt/dnf/etc. I am really confused with current rules and can not install any package to user local env. 04 (“lunar”) too. python3. Users will still be able to override that default, but that will hopefully alert them to the problems that could arise. 1. That’s because it’s intended to give distributions a way to protect against issues which you don’t accept are problems. io>, Tzu-ping Chung <uranusjr at gmail. py ? What are the benefits of using python-* as dependencies? Dec 7, 2024 · This happens because your operating system has enabled PEP 668. 正如终端输出所示，这是由于 PEP 668 造成的更改。 从 Ubuntu 23. Here are a few workarounds to ‘fix’ the issue. At least I'm glad they're aware of the irony. error: externally-managed-environment × This environment is externally managed ╰─> To install Python packages system-wide, try apt install python 3-xyz, where xyz is the package you are trying to install. 1-3 (depending on timing) will declare itself to be EXTERNALLY-MANAGED. conf ) -- 添加： break Apr 23, 2023 · None of this alters the fact that PEP 668 causes a problem for you. pep 668. Oct 18, 2023 · The latest versions of all Linux distributions are adopting the standards defined in PEP-668. Aug 22, 2025 · This proposal was created to solve a long-standing and dangerous problem on Linux systems: conflicts between Python packages installed by the system's package manager (like apt on Debian/Ubuntu) and those installed by Python's own package manager (pip). hint: See PEP 668 for the detailed specification. Make sure you're not currently in a virtual environment, then run the following command: $ pip3 list --user Mar 9, 2023 · Determining manually installed packages The first step is to determine which Python packages on the system have been installed manually through pip via the --user flag. As the terminal output shows you, it’s the change due to PEP 668. Follow this guide to execute . Apr 25, 2023 · hint: See PEP 668 for the detailed specification. For instructions on how to install Python and related tooling, including IDEs, debuggers, and linters, see the dedicated guide on How to set up a development environment for Python on Ubuntu. Install required packages from the standard Ubuntu repository. desktop XDG application entry without writing a local Debian (or any other OS) package? 🛡️ Fix Howdy v2. Voici quelques solutions de contournement pour « résoudre » le problème. g. 04, il recommande des outils de gestion de packages spécifiques Oct 22, 2025 · 本文旨在探讨pep 668规范对 linux 发行版（如 ubuntu 24. ” This means users are restricted from installing packages directly with pip to prevent system instability. 2-1 or 3. debian. --break-system-packages. For instance, if you wish to install BeautifulSoup 4 then, sudo apt update sudo apt install python3-bs4 Option II. pip/pip. pip コマンドを使用して Ubuntu 24. 04、Debian 12、Fedora 38以降などの新しいLinuxディストリビューションで発生します。 主な目的 システムの安定性保護 パッケージ依存関係の競合防止 Feb 6, 2024 · on WSL running ubuntu 24. This does fix a legitimate issue. This marking serves as a clear signal to pip that it should not attempt to install or modify packages within this environment. Your distribution told you three solutions in the message, but only the 2nd one applies cleanly to your use case: Jan 1, 2024 · PEP 668 focuses on ensuring Python packaging interoperability with system package managers. org via ubernostrum 2 years ago | caches Archive. Oct 21, 2025 · Develop with Python on Ubuntu ¶ This tutorial shows how to run, check, and debug Python scripts on Ubuntu. Virtual environments isolate your project dependencies completely, preventing version conflicts and avoiding system package corruption. 6. Jul 7, 2025 · 随着GitHub Actions将默认的Ubuntu运行器升级至24. 04 will output “ error: externally-managed-environment “. The change is already effective in other Linux distros (like the latest release of Debian). We can do this by listing them. So we don’t have an opinion on this issue, it doesn’t affect us. com>, Matthias Klose <doko at ubuntu. 04 enforces PEP 668, blocking global pip installs. \nhint: See PEP 668 for the detailed specification. Modern Linux distributions like Ubuntu and Debian have introduced a significant change in how Python packages are managed to ensure system stability. org – 13 Oct 22 PEP 668: Marking Python base environments as "externally managed" Packaging It is my understanding that in the latest versions of python, this new PEP 668 spec was introduced to remove the ability to use pip in the global user environment to instead require an env (with pipx or virtualenv). Thanks for considering! Proposed Solution Make jupyter-ai installable through pipx Additional context $ pip install jupyter-ai [all] error: externally-managed-environment × This environment is externally managed Oct 25, 2024 · When a Linux distribution follows PEP 668, the Python environment is marked as “externally managed. Comme vous le montre la sortie du terminal, il s'agit du changement dû au PEP 668. Then I upgraded the OS to version 23, so pipenv stopped working, and it is impossible to install it now with a system pip. Depuis Ubuntu 23. The previous behavior (the same you get now with '--break-system-packages') could lead to some painful situations where apt and pip can fight for which version of a python library will installed. 10. com> PEP 代理 Jul 14, 2025 · Learn how to run a Python script on Ubuntu using the terminal. show post in topic May 17, 2023 · The PEP 668 authors have good reasons to forbid "sudo pip install" and "pip install --user", but it's harder to install pipx itself. 11 and beyond introduce a safeguard mechanism called PEP 668 that prevents mixing apt-managed packages with pip-installed… Apr 25, 2023 · I upgraded to Ubuntu 23. I think it's best if this is discussed here, with upstream involvement. today Ghostarchive | 22 comments 38 ubernostrum edited 2 years ago Feb 3, 2023 · Description @obfusk filed Debian bug #1030335 about the implementation of PEP 668 support. The --break-system-packages flag bypasses this protection. There seems to be a few possible solutions for this: Oct 12, 2022 · With an ubuntu container I get “dist-packages” in both /usr/lib/ and /usr/local/lib/ on sys. There seems to be a summary of the issues that held it up in the linked thread on Python’s Discourse: Discussions on Python. com>, Filipe Laíns <lains at python. That’s your choice, and similarly you have the option to remove the distribution-provided EXTERNALLY_MANAGED file if you want. PEP 668: pep. 04 に Python パッケージをインストールすると、「エラー: 外部管理環境」が出力されます。 問題を「修正」するための回避策をいくつか紹介します。 ターミナル出力が示すように、これは PEP 668 による変更です。 Aug 31, 2021 · One goal of PEP 668 is to allow distributions to indicate that they provide another mechanism for managing Python packages, which will then change the default behavior of pip. 04开始，系统默认启用`PEP 668`，旨在防止`pip`与系统包管理器（如`apt`）冲突。 当使用系统自带的Python环境执行`pip install`时，会提示`error: externally-managed-environment`，表示该环境由外部（即系统）管理，禁止直接通过pip安装包以避免破坏依赖关系。 Aug 3, 2023 · I used pipenv on Ubuntu 22. This guide will walk you through creating and using a virtual environment in Python. path: $ podman run --rm -it ubuntu root@44888ff75ae5:/# apt-get update > /dev/null root@44888ff75ae5:/# apt-get install -y python3-pip > /dev/null debconf: delaying package configuration, since apt-utils is not installed root@44888ff75ae5:/# python3 Python 3. So I’ll probably wait for --break-system-packages rather than deleting EXTERNALLY-MANAGED PEP 668 - Marking Python base environments as “externally managed” PEP 668 discuses the problems that can arise when multiple installers operate on the same Python installation. \n"} May 29, 2023 · hint: See PEP 668 for the detailed specification. int: See PEP 668 for the detailed specification. The impact of deciding that “if you want to use pip in a container you must use a venv now” adds ~15MB per container image with no additional functionality. These changes ensure that pip packages will not be installed in a global context by default. This will carry into Ubuntu 23. 04をインストール．Pythonの環境を整えるために，いつものように，numpyをインストール．pip3 install --user numpyを実行．ここで，エラー発生 Jan 3, 2024 · 新版ubuntu使用pip时发生错误： error: externally-managed-environment &#215; This environment is externally managed╰─&gt; To install Python packages system-wide, 42 votes, 15 comments. This article explores the technical reasoning behind the externally managed environment pip error, the implementation of PEP 668, and the best practices for developers to navigate these new restrictions without compromising their operating system Consider the following Dockerfile, using a pre-release of Debian “Bookworm” 12, which will be released in June 2023: This seems pretty straightforward, similar to many Docker examples you’ll find. *; you pip-install bar that pulls in common >= 2. conf ( [wit@ubuntu:python]$ cat ~/. org Archive. Learn how to use pipx, uv, and other modern methods to install Python CLI tools globally while staying compliant. python. com>, Stefano Rivera <stefanor at debian. Create a Virtual Environment. Apr 9, 2023 · This must be one of the most lopsided PEPs I’ve seen so far. Mar 9, 2023 · Determining manually installed packages The first step is to determine which Python packages on the system have been installed manually through pip via the --user flag. How can I manage my user local environment now? And how can I use latest pip (not linux-distro version) and other packages by default for current user? My Environment (dockerfile just for reproduce): Jul 29, 2024 · hint: See PEP 668 for the detailed specification. Jun 24, 2024 · While trying to pip install packages, even though I am inside a Conda environment, I'm getting the familiar error: error: externally-managed-environment I would expect this if I'm using Python dir Mar 25, 2024 · Here are a few workarounds to ‘fix’ the issue. pipでライブラリをインストールできない 2024年これはubuntu LTSが公開される年．ということで，ubuntu 24. 11, PEP 668 will prevent pip from installing system packages if the wider environment is managed by the package manager. 04 开始，它建议使用特定于 Python 的包管理工具（例如 pip）使用虚拟环境安装包，以避免与操作系统包管理器安装的包发生冲突。 不过，用户仍然可以像以前一样强制 pip 安装到解释器的全局上下文中。 Apr 22, 2023 · Ubuntu 23. So what does this mean? PEP 668 From the abstract of the PEP itself says it best: A long-standing practical problem for Python users has been conflicts between OS package managers and Python-specific package management tools like pip. The official Python community for Reddit! Stay up to date with the latest news… May 23, 2025 · [ubuntu] pip3-pep668-externally-managed-environment 一、解决方法 1、 修改文件：pip. This version When I run pip install xyz on a Linux machine (using Debian or Ubuntu or a derived Linux distribution), I get this error: error: externally-managed-environment × This environment is externally ma Apr 18, 2023 · 優雅に美しくPEPを尊重という方は、そもそも pip3 install --user なんて野蛮なことは普段からしてないはずなので大丈夫なはずです。 しかしながら、「悔い改めて今日から私はPEP668準拠！ ジーク・PEP!」という人もいるはずです。 そういう人向けの対策を書き Aug 6, 2024 · 1. These operating systems have begun to adopt PEP 668. Jun 5, 2023 · PEP668 PEP 668 – Marking Python base environments as “externally managed” 雑にまとめると、 「仮想環境以外で pip install をするな」 仮想環境外での pip install はグローバルに影響が及んでしまう Feb 2, 2022 · Plucking this out of Graceful cooperation between external and Python package managers (PEP 668): I’ve been thinking about this for a few days now, and have now had multiple people reach out with a similar concern – the title of this PEP is too-broad and doesn’t communicate what exactly the PEP does. 11 & for 24. 10 install python 3. 04 that’s 3. org>, Pradyun Gedam <pradyunsg at gmail. Oct 30, 2024 · The user guide's publish. Mar 11, 2025 · 在 Ubuntu 24 中，单独安装python程序依赖，可能会遇到PEP668问题，因为系统默认启用了 PEP 668 保护机制。 以下是两种安全的解决方案：方案一：使用虚拟环境（推荐）# 1. g __main__. 04? Here's what you can do about this error. 0; system tool foo is now broken, because common v1 has been shadowed. 1 day ago · ** 从Ubuntu 22. 04 中以前一樣強制安裝 pip。 外部から管理される環境 ¶ Python の導入方法の中には Python をインストールするユーザが全てを管理するものもある一方で Feb 8, 2023 · Thanks @dstufft, @merwok, @kpfleming, and @pf_moore. 04 implement PEP 668, which prevents system-wide pip installations to avoid conflicts with APT-managed packages. 12. 2M subscribers in the Python community. I appreciate the time and your willingness to discuss my objections on the container case. py files with Python 3, set permissions, and use shebangs. Apr 26, 2025 · 他のディストリビューションだとpython3-pipパッケージをインストールすればvenvなどの仮想環境無しでもpipを使ってPythonパッケージやコマンドをインストールできるが、Ubuntu 24. 7, arm64 pip doesn’t work now resulting in error: externally-managed-environment the following doesn’t work either sudo apt install dash or sudo apt install python3-dash Any suggestions? Mar 7, 2024 · 最近のUbuntuやRaspberryPiを使用しているとpipコマンドでライブラリのインストールをするときにPEP668のエラーが出てきます。 以下は最新のRaspberryPi OSであるDebian GNU/Linux 12 (bookworm)でpipコマンドを使用してnumpyを インストールしてみた結果になります。 $ pip install numpy error: externally-managed-environment × Mar 25, 2024 · Here are a few workarounds to ‘fix’ the issue. The short version is it has two recommendations: When a distro indicates it’s managing a Python Admittedly, every online tutorial from the past ~2 decades uses pip like this, PEP 668 is a relatively recent change and adds a fair bit of complexity compared to before. Sep 18, 2023 · PEP 668 下記にありますが、これまでにあった OS パッケージ マネージャーと pip などの Python 固有のパッケージ管理ツールとの間の競合の問題を解決するもののようです。 May 3, 2024 · What is the PEP authors’ view on this? Should users be running ensurepip on an externally managed site-packages? In Debian’s case, we only use ensurepip to seed venv s with pip. Questions: Assuming that the python-* do not cover all of our dependencies, is indeed the venv approach the recommended way for installing python dependencies in 24. Aug 30, 2023 · You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages. 04. org>, Elana Hashman <ehashman at debian. 04 and 26. Starting in Python 3. I don’t think I have much hope of convincing base OS image distributors to ignore the PEP’s “Keep the marker file in container images” recommendations. 04, vous obtiendrez « erreur : environnement géré en externe ». Aug 5, 2024 · Thus in PEP-668 terms, package shadowing may occur: system tool foo depends on common == 1. This version warns users (who have apt-listchanges enabled) about the feature. 1 for modern Linux (Debian 13, Ubuntu 24. 04+) - blamairia/howdy-patcher Apr 30, 2023 · 66 Debian-based distros have adopted PEP 668 linux python salsa. May 14, 2024 · This issue seems to be related to restrictions implemented as per PEP 668, which aims to prevent conflicts between the system package manager and pip. 04 LTS today. Python 3. For users who want pip, we direct them to install our separate pip package. Aug 30, 2024 · So, after PEP-668, how to create an application to run system-wide, that can be called from the shell or a .

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