Howto change Pythonpath in Python 3

Question

I am trying to switch from using Python 2.6.5 to using Python 3.2a2. I am using OSX 10.6.4. However, when I open Idle in the Python 3.2a2 folder it cannot import any of the modules I installed to Python 2.6.5. Is there a way that I can share the same folders on Python 3.2a2 ?

bobince · Accepted Answer · 2010-09-09 11:42:05Z

2

Python 2 and Python 3 are sufficiently different that you cannot in general share modules between them. You will need new, Python-3-compatible modules instead of re-using the Python 2 ones.

(It's possible with a great deal of care to make scripts that will work in both, but it's not usually the done thing. Python 3 was designed to be the big syntax compatibility breaking version.)

answered Sep 9, 2010 at 11:42

bobince

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2 Comments

Peter Nielsen Over a year ago

I guess I will have to start over with python 3 or go back

Lennart Regebro Over a year ago

@Peter: You should always install every module separately for each Python version. Python 3 isn't different, it's just more obvious that it won't work. See regebro.wordpress.com/2011/02/02/…

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