Changing environment variables into python variables
M.-A. Lemburg
mal at lemburg.com
Fri Jun 4 05:18:32 EDT 1999
sragsdale at my-deja.com wrote:
>
> I'm writing a script that needs to import environment variables into
> python as standard variables. I.E. if the environment variable USER is
> set to 'soren', after my program starts up and does its thing I want
> there to be a variable named USER with a value of 'soren'.
>
> When I try to write this in python, I have this error:
>
> -------------------------------
> import posix
You should import os, not posix...
> for var in posix.environ.keys():
> command = var+" = \""+posix.environ[var]+"\""
> print command
> eval(command)
This is dangerous, as someone may easily stick some Python code
into your environ, e.g. WIPEOUT="+os.system('rm -rf /')+".
Better do something like this:
import os
namespace = locals()
for key,value in os.environ.items():
namespace[key] = value
--
Marc-Andre Lemburg
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