Re: [Pyobjc-dev] how do I get a NSDistributedNotification?

[Ben A. <be...@ar...>]

> Tried a simple interactive approach which did nothing.  Is this
> possible to do and if so what is the minimum necessary to do it?
>
> I tried:
>>>> from Foundation import *
>
>>>> class O(NSObject):
> ...     def printNotif(self,notice):
> ...             print notice
>
>>>> nc = NSDistributedNotificationCenter.defaultCenter()
>>>> nc.addObserver_selector_name_object_(o, o.printNotif,
> "SomethingChanged", nil)
>
> and posted the notification from another python shell.  Nothing
> received.    Runloop missing?  Something else?

If I recall correctly, you need a runloop, and you need to make sure  
that your observer doesn't go out of scope before you get the  
notification, because the DNC doesn't retain it.

-- 

<http://artins.org/ben>

"Calling computing 'computer science' is like calling surgery 'knife  
science'." -- Edsger Dijkstra