How to set PYTHONPATH to multiple folders

Question

In ~/.bash_profile file (OS X) I've set PYTHONPATH to point to two folders:

export PYTHONPATH=/Applications/python/common:$PYTHONPATH
export PYTHONPATH=/Applications/sitecustomize:$PYTHONPATH

Even while sitecustomize folder is set on a second line (after /common) the first path is ignored and I am not able to import any module from the path defined in a first line. What needs to be revised in above syntax to make both folders PYTHONPATHish to Python?

Chris Townsend · Accepted Answer · 2016-09-25 02:05:10Z

62

Append your paths so there is only one PYTHONPATH.

PYTHONPATH="/Applications/python/common:/Applications/sitecustomize:$PYTHONPATH"
export PYTHONPATH

Then source ~/.bash_profile

OR import them into your Python script (this would only work for the script added to):

import sys
sys.path.append("/Applications/python/common")
sys.path.append("/Applications/sitecustomize")

answered Sep 25, 2016 at 2:05

Chris Townsend

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1 Comment

JustBeingHelpful Over a year ago

If on the Windows platform, use a ; character to separate modules in this environment variable instead of a : character for the Linux platform.

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