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OSX El Capitan: sudo pip install OSError: [Errno: 1] Operation not permitted

When I run:

sudo pip install ipython

I get the following error

OSError: [Errno: 1] Operation not permitted: '/System/Library/Frameworks/Python.framework/Versions/2.7/share'

The last command executed tries to create the directory given above.

Also, the following command fails to install iPython without providing any errors.

sudo pip install --user python

(I am on Mac OS X El Capitan in case other folks on this OS see the same issue.)

like image 532
Milad M Avatar asked Oct 09 '22 00:10

Milad M


1 Answers

Instructions telling people to use sudo pip install are inherently wrong.

If there is any tutorial out there which says you should use sudo pip then please file a bug against this package. The author is dis-educating the Python community, as time has proven sudo pip to be a broken practice.

OSX El Capitan introduced mechanisms to prevent damaging the operating system files. /System/Library/Frameworks/Python.framework/Versions/2.7/share is one of the protected locations. A normal user has no reason to put or write any files there. This is because the operating system itself relies on these files and sudo pip, with all force given from the above, would unconditionally overwrite them. Usually bad things would not happen, but the chances are there. Apple wants to protect their OS users from accidentally bricking their installation.

Instead, you need to install a Python package, like IPython, locally to the home folder of your user. The easiest way is to create a virtual environment, activate it, and then run pip in the virtual environment.

Example:

cd ~  # Go to home directory
virtualenv my-venv
source my-venv/bin/activate
pip install IPython

More info

  • Official Python package installation tutorial.

  • How to create virtual environments.

Alternatively, one should be able to use pip install --user. But again, sudo is not needed and you need to manually set up PATH environment variable.

like image 209
Mikko Ohtamaa Avatar answered Oct 10 '22 12:10

Mikko Ohtamaa