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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Sun, 24 Nov 2013 04:37:00 -0700
Subject: Re: Importing by file name
To: Python <python-list@python.org>
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On Sun, Nov 24, 2013 at 4:05 AM, Chris Angelico <rosuav@gmail.com> wrote:
> Undocumented... that explains why I didn't know about it! But that
> does appear to be what I'm looking for, so is there some equivalent
> planned as a replacement?

Hmm, playing around with importlib a bit, this seems to work:

from importlib import find_loader
loader = find_loader('spam', ['/path/to'])
if loader is not None:
    module = loader.load_module()

The path passed to find_loader is searched instead of sys.path.