Best way to fix "externally managed environment" error?

  • Python
  • Thread starter Swamp Thing
  • Start date
In summary, the "externally managed environment" error typically occurs when a package manager, such as pip, is unable to modify the Python environment due to restrictions set by the operating system or the Python installation method. To resolve this error, users can try the following solutions: run the command with elevated permissions (e.g., using sudo on UNIX systems), switch to a virtual environment to isolate package management, or use a different installation method, such as conda or a dedicated environment manager. Additionally, ensuring that the package manager is up-to-date can help prevent compatibility issues.
  • #1
Swamp Thing
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This page gives three ways to bypass the "externally managed environment" error when trying to install python packages globally.
https://www.makeuseof.com/fix-pip-error-externally-managed-environment-linux/

But it also says,
The latest versions of all Linux distributions are adopting the standards defined in PEP-668. These changes ensure that pip packages will not be installed in a global context by default.

This was implemented in an attempt to avoid conflict between the distribution's package manager and Python package management tools.

So it would seem that the first method (delete the EXTERNALLY-MANAGED file) may create more problems than it solves.

But how about the third method - installing and using "pipx" ? Are there any pitfalls here, or does it take care of the package management conflicts?

=======================
Edit:
Sorry, just noticed that the same page does say this:
It automates steps like creating virtual environments for each package and creating symbolic links to the packages in the .local/bin folder so you can call each package from the shell at all times.

Using pipx to install packages helps you avoid the "externally-managed-environment" error as it installs packages in virtual environments.

This suggests that pipx should be a safe and trouble free solution.

But I can't delete a new post, and anyway if someone has used pipx they might care to weigh in and share how well it actually works.
 
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  • #2
Swamp Thing said:
This suggests that pipx should be a safe and trouble free solution.
It's actually not a solution to be exact, but a workaround. Virtual environments were not really made to be used like that. Each project should anyway have its own venv or Poetry environment to avoid clashes with any other project, similar to the way we use Gradle. But we cannot forget that in Linux distros, there are many utilities that come in the form of a python package and have to be installed using pip. These utilities are not supposed to be for a project, e.g. a markdown editor. So in those cases, the concept that pipx uses is good, IMO. Avoid the clash with system packages, but still be able to download and use utilities.
 

FAQ: Best way to fix "externally managed environment" error?

What does "externally managed environment" error mean?

The "externally managed environment" error typically indicates that the package management system is not able to modify the environment because it is being managed by another tool or system. This often occurs in scenarios where a virtual environment or container is being used, and the package manager is restricted from making changes to the environment.

How can I resolve the "externally managed environment" error?

To resolve this error, you can try the following steps: ensure you are using the correct package manager for your environment, check if you are in a virtual environment and activate it if necessary, or consider using a different package management tool that is compatible with your setup. Additionally, you may need to adjust your permissions or settings to allow the package manager to make changes.

Is this error specific to any programming language or package manager?

While the "externally managed environment" error can occur in various programming languages and package managers, it is most commonly associated with Python and its package managers like pip and conda. However, similar errors can appear in other ecosystems where environment management is handled by specific tools.

Can I bypass the "externally managed environment" error?

Bypassing the "externally managed environment" error is not generally recommended, as it can lead to inconsistencies or conflicts within your environment. However, if you understand the implications, you could force installations by using flags or options that ignore the environment management, but this should be done with caution.

What are the best practices to avoid the "externally managed environment" error?

To avoid encountering the "externally managed environment" error, it's important to establish a clear environment management strategy. Use virtual environments for project isolation, ensure that you are using the appropriate package manager for your environment, and keep your tools and dependencies updated. Regularly check for conflicts and maintain good documentation of your environment setup.

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