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From: Gelonida N <gelonida@gmail.com>
Subject: find out whether a module exists (without importing it)
Date: Mon, 06 Aug 2012 22:48:13 +0200
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Xref: csiph.com comp.lang.python:26657

Is this possible.

let's say I'd like to know whether I could import the module
'mypackage.mymodule', meaning,
whther this module is located somewhere in sys.path

i tried to use

imp.find_module(), but
it didn't find any module name containing a '.'

Am I doing anything wrong?

Is there another existing implementation, that helps.

I could do this manually, but this is something I'd just like to do if 
necessary.