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POUsing pyobjc imports in PyDev in Eclipse on Mac OS X
 

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    <p>I've installed and configured PyDev version 1.6.5.2011020317 inside Eclipse, running on Mac OS X 10.6.6:</p> <blockquote> <p>Version: Helios Service Release 1 Build id: 20100917-0705</p> </blockquote> <p>I used 'Auto Config' to set up my Python interpreter: it correctly found <code>/usr/bin/python</code> (which is Python version 2.6.1) and added various system folders to the <code>PYTHONPATH</code>, including <code>/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/PyObjC</code>. Now <em>that path</em> is the correct path to the <code>Foundation</code> module in OS X, as evinced by the command-line interpreter:</p> <pre><code>$ python Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Type "help", "copyright", "credits" or "license" for more information. &gt;&gt;&gt; import Foundation &gt;&gt;&gt; Foundation.__path__ ['/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/PyObjC/Foundation'] </code></pre> <p>So why does PyDev complain about "Undefined variable from import: NSDictionary" on this class:</p> <pre><code>import Foundation class MyClass(object): def __init__(self, projectPath): ''' Constructor ''' self.projectDict = Foundation.NSDictionary.dictionaryWithContentsOfFile_(projectPath) </code></pre> <p>when I can use that class without any problem from the command-line interpreter?</p> <p><em>Update</em>: OK, I found out <em>why</em> it complains, which is that the <code>Foundation</code> module is using ScriptingBridge to dynamically generate the classes - presumably pydev isn't actually importing the module to see what classes are inside, it's just looking for <code>.py[c]</code> files. So let my question not be "why does this happen", but "what do I do to fix it"?</p>
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    1. COIf you try "from Foundation import NSDictionary" instead, do you get a different result? See: http://nullege.com/codes/show/src%40f%40i%40fileinfo-0.3.3%40src%40fileinfo%40plugins%40fileinfo_inv_plugin_osxbundles.py/21/Foundation.NSDictionary.dictionaryWithContentsOfFile_/python Around line 20
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    2. CO@Xavier no, in fact I had already tried that. "Unresolved import: NSDictionary" in PyDev, works fine in `/usr/bin/python`.
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    3. COCan you ignore the error? I just tried and got the same error, but it is correctly reading in a plist file.
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      1. USDisplacedAussie
 

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