On 20 Oct 2005 01:58:44 -0700, the_crazy88 <[EMAIL PROTECTED]> wrote:

> Just use
> os.system("export PYTHONPATH = %s" %("your_pythonpath"))

... except it won't work: os.system will execute the command in a new process, 
so the environment variable change will only be visible in *this* process. 
Since you don't do anything else, the environment variable change will never be 
seen by anyone.

As for the OP's question, the short answer is "you can't": the Python 
interpreter will always be executed in a different process than the calling 
shell, and environment variable changes *never* impact the calling process on 
Unix.

The closest thing you can do is that:

-myScript.py--------------------------------------
print 'export MY_VARIABLE=value'
--------------------------------------------------

-myScript.sh--------------------------------------
python myScript.py > /tmp/chgvars.sh
. /tmp/chgvars.sh
--------------------------------------------------

This is quite ugly: you write the shell commands changing the environment 
variables to a file, then "source" this file in the calling shell. But this is 
probably the best way to do what you want.

HTH
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