On 2007-Nov-09, at 00:32, Ronald Oussoren wrote:
>
> On 8 Nov, 2007, at 20:55, Mike Covill wrote:
>
>> I wanted to try using the NSDistributedNotificationCenter to pass
>> messages between two separate python programs running simultaneously,
>> so to learn about doing this I created this class:
>>
>> FILE: listener.py
>> ---------------------------------------------------------------------
>> ---
>> -------------------------
>> import Foundation
>>
>> class GetNotes(object):
>>
>> def __init__(self):
>> '''register for an NSNotification'''
>> nc =
>> Foundation.NSDistributedNotificationCenter.defaultCenter()
>> nc.addObserver_selector_name_object_(self, 'getMyNotes:',
>> 'myNote', None)
>>
>> def getMyNotes_(self, note):
>> print 'got a note!:', note.object
>> ---------------------------------------------------------------------
>> ---
>> -------------------------
>>
>> then I created an instance of this class and tried sending a
>> notification via the command line, expecting to see a print statement
>> that the notification was received:
>>
>> import Foundation as F
>> import listener
>> gn = listener.GetNotes()
>> nc = F.NSDistributedNotificationCenter.defaultCenter()
>> nc.postNotificationName_object_('myNote', None)
>>
>> So far, no such luck. Any suggestions?
>
> The delivery of notifications uses the runloop, it is basically
> just another source of events.
>
> In a command-line tool you'll have to run the loop yourself,
> something like:
>
> loop = F.NSRunLoop.currentRunLoop()
> loop.run()
>
> (That last call will run the eventloop and therefore "block" your
> script. It will also cause the notification to be delivered).
>
> Ronald
>
Works great. Thanks Ronald.
Mike
>> Thanks,
>> Mike
>> _______________________________________________
>> Pythonmac-SIG maillist - Pythonmac-SIG@python.org
>> http://mail.python.org/mailman/listinfo/pythonmac-sig
>
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