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copied!<p>I'm not sure if this is the 'best practice' or not (I've not put much python software into proper distribution), but I would just make sure that the top-level app package was in <code>sys.path</code>. Something like putting the following into the top-level <code>__init__.py</code>:</p> <pre><code>try: import myapp except ImportError: import sys from os.path import abspath, dirname, split parent_dir = split(dirname(abspath(__file__)))[0] sys.path.append(parent_dir) </code></pre> <p>I think that should do the right thing in a cross platform way.</p> <p>EDIT: As kaizer.se points out this might not work in the <code>__init__.py</code> file, depending on how the code you're invoking is getting executed. It would only work if that file is evaluated. The key is to make sure that the top-level package is in <code>sys.path</code> from some the code that actually is running.</p> <p>Often times, so that I an execute individual files inside of a package directly (for testing with the <code>if __name__ eq '__main__'</code> idiom), I'll do something like place a statement:</p> <pre><code>import _setup </code></pre> <p>At the top of the individual file in question, and then create a file <code>_setup.py</code> which does the path munging as necessary. So, something like:</p> <pre><code>package/ __init__.py _setup.py mod1/ __init__.py _setup.py somemodule.py </code></pre> <p>If you <code>import _setup</code> from <code>somemodule.py</code>, that setup file can ensure that the top level package is in <code>sys.path</code> before the rest of the code in <code>somemodule.py</code> is evaluated.</p>

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