On 22-jun-2006, at 11:31, Jonathan wrote: > > I get this error: > > Traceback (most recent call last): > File "/Volumes/Docs/Users/jonathan/svnCheckouts/main/scmac/trunk/ > QCPySight/QCPySightAppDelegate.py", line 54, in > applicationDidFinishLaunching_ > self._observePatchController() > File "/Volumes/Docs/Users/jonathan/svnCheckouts/main/scmac/trunk/ > QCPySight/QCPySightAppDelegate.py", line 39, in > _observePatchController > self.patchController.addObserver_forKeyPath_options_context _ > (self, u"patch.Image.value", None, None) > > ValueError: depythonifying 'unsigned int', got 'NoneType' > 2006-06-22 05:23:06.070 QCPySight[665] Exception raised during > posting of notification. Ignored. exception: > exceptions.ValueError: depythonifying 'unsigned int', got 'NoneType' > > I wonder if I'm translating the code in the tech note properly re: > adding an observer. I'm pretty sure that I have the QC file setup > properly and that the bindings are all kosher.
The context is a void* in Objective-C, and should be an integer in Python. It isn't possible to use arbitrary objects as the context because as far as I know it is impossible to get memory management correct for that. Ronald _______________________________________________ Pythonmac-SIG maillist - Pythonmac-SIG@python.org http://mail.python.org/mailman/listinfo/pythonmac-sig
