Re: [Pyobjc-dev] Blocks support in PyObjC

[Ronald O. <ron...@ma...>]

On 12 Oct, 2009, at 11:11, Ronald Oussoren wrote:

> Vladimir,
>
> Pyobjc does support blocks and you should pass a function wherever the
> obc side expects a block.
>
> Sadly enough blocks are not introspectable at runtime in the objc (or
> blocks) runtime which means we have to provide additional custom
> metadata. You seem to have found a method where we haven't done that
> yet and I'll fix that for the next release.

Guido's timemachine rules again... It turns out this was already fixed  
in the repository.

Ronald

>
> Ronald
>
>
>
> On 12 okt 2009, at 09:08, Vladimir Pouzanov <far...@gm...>  
> wrote:
>
>> Hi all,
>>
>> Does PyObjC support selectors with block arguments? I'm trying to  
>> make
>> use of NSOpenPanel's beginSheetModalForWindow_completionHandler_, but
>> I'm somewhat unsure what to pass as the second argument. I've tried
>> creating a callback function like this:
>>
>> def doneImport_(res):
>>   print "panel","returned",res
>>
>> But I'm getting <type 'exceptions.TypeError'>: Argument 3 is a block,
>> but no signature available
>>
>> Wrapping the function with @objc.signature('vI') doesn't help
>> either. Any hints?
>>
>> -- 
>> Sincerely,
>> Vladimir "Farcaller" Pouzanov
>> http://farcaller.net/
>>
>> ---
>> ---
>> ---
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> ------------------------------------------------------------------------------
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