[Pythonmac-SIG] Carbon.CoreFoundation - null-terminated unicode strings??

[Bob Ippolito]

On Mar 12, 2004, at 4:02 PM, has wrote:

> Hi,
>
> Noticed the following strange behaviour; not entirely sure which  
> code's responsible for it and can't help feeling it's some sort of  
> bug, but maybe someone can shed some light on it?
>
> #######
>
> #!/usr/local/bin/pythonw
>
> import Carbon.CoreFoundation as CF
> from appscript import LaunchServices
>
> path = 'TextEdit.app'
>
> fURL = LaunchServices.LSFindApplicationForInfo ('????', None, path)[1]
>
> print [c for c in  
> (fURL.CFURLCopyFileSystemPath(CF.kCFURLPOSIXPathStyle).CFStringGetUnico 
> de())]
>
> --> [u'/', u'A', u'p', u'p', u'l', u'i', u'c', u'a', u't', u'i', u'o',  
> u'n', u's', u'/', u'T', u'e', u'x', u't', u'E', u'd', u'i', u't',  
> u'.', u'a', u'p', u'p', u'\x00'] -- why is last character 0x00???

You should be using the toPython method to bridge any Carbon.CF  
instance:

 >>> import LaunchServices.Launch
 >>> import Carbon.CoreFoundation as CFConst
 >>> LaunchServices.Launch.LSFindApplicationForInfo('????', None,  
u'iTunes.app')[1].CFURLCopyFileSystemPath(CFConst.kCFURLPOSIXPathStyle). 
toPython()
u'/Applications/iTunes.app'

-bob
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