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Trouble with Scripting Bridge



Hi,

I've been trying to do some python scripting of iTunes using pyobjc and ScriptingBridge, and I've been having some problems (I reduced everything to objective-c on its own in order work out if it was caused by pyobjc).

According to:
	http://developer.apple.com/releasenotes/scriptingautomation/RN-ScriptingBridge/index.html

running:
   sdef /Applications/iTunes.app/ | sdp -f h --basename iTunes

should generate an objective-c header file which you can use in conjunction with [SBApplication applicationWithBundleIdentifier:@"com.apple.iTunes"]
(which it does).


An excerpt from the file I generated (included in the zip file):

@interface iTunesTrack : iTunesItem
...
@property BOOL gapless;  // is this track from a gapless album?
...
@end

So there should be an accessor method on iTunesTrack objects called gapless that returns a BOOL.

[track respondsToSelector:@selector(gapless)] returns YES

However it doesn't seem to work, the code provided in the zip archive (when executed on my machine), produces a list of all the gapless tracks in my mp3 collection, but every line ALSO claims that the track is 'not gapless'.

(The original python code that I was using seemed to get different answers depending on ordering of operations, including calling the accessor twice in a row on the same object giving different answers).

Am I doing something wrong? The other accessors that I call appear to return the right data, though I've not done exhaustive testing.

(As a background to what I'm doing, I want my iTunes playlists random except for gapless cds, which I want to be seamless, the shuffle provided by itunes can't make that distinction for itself).


Attachment: tester.zip
Description: Zip archive


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