Simon Strobl wrote:
> Hello,
>
> a program of mine, which is supposed to be used in a project, uses
> nltk. I want the other users to be able to use my program without
> having to fiddle around with their environment. Therefore, I tried
> this code:
>
> #!/usr/bin/
> python
>
> import os
>
> os.system("export NLTK_DATA=/opt/nltk/data/")
>
> import nltk
>
> This doesn't work, although running "export NLTK_DATA=/opt/nltk/data/"
> on the command line before running the program works. Why?
because export is a shell-command that affects only the current shell, not
the parent process environment. And os.system spawns a child-process.
Instead, use
os.environ["NLTK_DATA"] = "/opt/nltk/data"
Diez
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