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I have python 2.7 installed 

[user@localhost google_appengine]$ python  
Python 2.7 (r27:82500, Sep 16 2010, 18:03:06)   
[GCC 4.5.1 20100907 (Red Hat 4.5.1-3)] on linux2  
Type "help", "copyright", "credits" or "license" for more information.

I want to use the python 2.5.2 that is in this directory 

[user@localhost Downloads]$ ls |grep "Python-2*"  
Python-2.5.2
Python-2.5.2.tgz

to run a python script in Khan Academy platform against a google app engine application 

sudo python sample_data.py -a ~/workspace/GAE/google_appengine/appcfg.py upload

Currently, when running the last script 2.7 python complains a lot (Google App Engine runs on 2.5.2 mostly and 2.6 almost)

I would like to do something like

sudo python env set ~/Downloads/Python-2.5.2 sample_data.py -a ~/workspace/GAE/google_appengine/appcfg.py upload

Is this possible? If yes, please point the way. If not, please suggest a way to call python2.5.2 WITHOUT having to uninstall python 2.7

many many thanks
Dennis

Dennis Williamson
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Dennis Daniels
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1 Answers1

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If you have the Python 2.5.2 installed or the binaries, just use the full path to the binary:

sudo ~/Downloads/python

instead of sudo python

Without providing the full path, you are running the binary that bash finds on the $PATH environment variable.

Also check this documentation, specially the part about $PYTHONHOME and $PYTHONPATH

coredump
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    I don't know Python, but you may have to have PYTHON_HOME or something similar set before execution, and maybe even a PATH change. All pretty simple, especially if you do this in a short script, but you may need to track down multiple references. – mpez0 Mar 07 '11 at 14:29
  • Thanks @mpez I edited my answer including the environment vars. – coredump Mar 07 '11 at 15:24