Re: [Pyobjc-dev] pickled Objective-C objects

[Just v. R. <ju...@le...>]

Ronald Oussoren wrote:

> > __init__/tp_init method. Calling an ObjC class will then still
> > result in that exception, while still properly supporting __new__.
> >
> Class clusters may be problematic here (in combination with pickling). 
> If you create an NSArray you actually end up with a subclass of 
> NSArray. This should be pickled as if it is an NSArray (Apple might 
> replace the classes implementing NSArray by a completely different set 
> of classes).

Yes, it abviously need to support classForCoder. But I would expect that
NSArray.alloc().initWithCoder() is the right thing, no? If so, aliasing
__new__ to alloc() is quite natural.

> BTW. I just tried to pickle some Cocoa objects using protocol version 
> 2, and that didn't crash. It also didn't work correctly (of course): 
> the Objective-C state isn't saved.

I noticed that too ;-)

Just