pip: inconsistent permissions issues

python centos pip python-module
Belmin Fernandez picture Belmin Fernandez · Jun 22, 2012 · Viewed 9.1k times · Source

When installing a package via sudo pip-python (CentOS 6 package: python-pip-0.8-1.el6.noarch), I sometimes get permission issues with the installed packages being readable only by root.

Re-installing again one or two times usually fixes the problem. Has anyone experienced this? Or can anyone suggest any troubleshooting steps to nail down the cause?

Answer

mata picture mata · Jun 23, 2012

When you run a command using sudo, it will preserve the users umask. pip just installs files, it doesn't change access rights, so you'll end up with the files having the access rights set conforming to the current user's umask, which may be owner-readable only (0077) and therefore readable by root only.

That means you can set umask to something sensible like umask 0022 before running sudo pip install. Or use sudo su to open a root shell with default settings and then pip install.

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