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Adding to a module's __dict__?

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Roy Smith wrote:
> >From inside a module, I want to add a key-value pair to the module's
> __dict__.  I know I can just do:
>
> FOO = 'bar'
>
> at the module top-level, but I've got 'FOO' as a string and what I
> really need to do is
>
> __dict__['Foo'] = 'bar'
>
> When I do that, I get "NameError: name '__dict__' is not defined".  Is
> it possible to do what I'm trying to do?
>   
test.py:

import sys
varName= 'foo'
setattr(sys.modules[__name__], varName, 42)



in a shell:
import test

print test.foo
 >>> 42


JM

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