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Currently running Mac OS X Lion 10.7.5 , and it has python2.7 as default. In the terminal, i type 'python' and it automatically pulls up python2.7. I don't want that.

from terminal I have to instead type 'python3.2' if i want to use python3.2.

How do i change that?

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  • As a note, python3 should also work fine, which is a little easier to type, if not a solution. You might run into issues on OS X with the presumption being python will be linked to python2 - generally where that link is pointed is down to the distribution, and kept consistent internally, so changing it might cause breakage. Commented Nov 12, 2012 at 0:11
  • 2
    shouldn't this be on superuser? Commented Nov 12, 2012 at 0:29
  • Don't think so as it's more related to python than terminal. Commented Sep 2, 2017 at 12:14

3 Answers 3

Reset to default
18

The safest way is to set an alias in ~/.bashrc:

 alias python=python3

That way you avoid breaking things for scripts relaying on python being python2.

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1 Comment

thank you! Also, alias python=python3 didnt work but alias python = python3.2 did work.
4

You could edit the default python path and point it to python3.2

Open up ~/.bash_profile in an editor and edit it so it looks like

PATH="/Library/Frameworks/Python.framework/Versions/3.2/bin:${PATH}" export PATH

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I think that the first option is much simpler and more effective.
3

If you have python 2 and 3 on brew. Following worked for me.

brew unlink python@2

brew link python@3 (if not yet linked)

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