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Date: Tue, 29 Mar 2011 20:41:28 -0500
From: Tim Chase <python.list@tim.thechases.com>
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To: monkeys paw <monkey@joemoney.net>
Subject: Re: delete namespaces
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On 03/29/2011 08:14 PM, monkeys paw wrote:
> How do i delete a module namespace once it has been imported?
>
> I use
>
> import banner
>
> Then i make a modification to banner.py. When i import it again,
> the new changes are not reflected. Is there a global variable i can
> modify?

Delete it from sys.modules:

 >>> file('foo.py', 'w').write('x = 42\n')
 >>> import foo
 >>> foo.x
42
 >>> del foo
 >>> import sys
 >>> del sys.modules['foo']
 >>> file('foo.py', 'w').write('x = 999\n')
 >>> import foo
 >>> foo.x
999

Beware that if you still have old references to the module, they 
don't get refreshed.

-tkc