[PySide] strange QObject bahaviour on Python 3.2 (Windows and Linux)

[Roman Lacko]

...this looks like critical error, and we should fix it ASAP, until
then i don't recommend to use pyside 1.1.2 with python 3.2. Both
windows and linux versions are affected

2012/9/12 Roman Lacko <backup.rlacko at gmail.com>:
> here is more better example, see comments:
>
> from PySide import QtCore
> class MyObject(QtCore.QObject):
>     Instance = "default value"
>
> # This will print "new value"
> MyObject.Instance = "new value"
> print(MyObject.Instance)
>
> # This will print "default value"
> MyObject.Instance
> MyObject.Instance = "new value"
> print(MyObject.Instance)
>
> When I access the MyObject.Instance, than the value of
> MyObject.Instance is allways "default value" !
>
> R.
>
> 2012/9/12 Thomas Pietrowski <thopiekar at gmail.com>:
>> Hey,
>>
>> I'm not familiar to Python3, but what happens, when you replace:
>>
>> def instance(cls):
>>
>> with:
>>
>> def instance(self, cls):
>>
>> For me it seems that it uses cls as self in that function, if self is not
>> set in the function of your class.
>> But, as I said, I'm not sure if that could be your solution ;-)
>>
>> Am 12.09.2012 12:20 schrieb "Roman Lacko" <backup.rlacko at gmail.com>:
>>>
>>> Hi,
>>>
>>> I have discovered strange bahaviour while testing qtdemo.py under Python
>>> 3.2.
>>> Plase look at sample code and the comment prefixed XXX:
>>>
>>> >>>
>>> from PySide import QtCore
>>>
>>> class MenuManager(QtCore.QObject):
>>>
>>>     pInstance = None
>>>
>>>     @classmethod
>>>     def instance(cls):
>>>         if cls.pInstance is None:
>>>             cls_inst = cls()
>>>             cls.pInstance = cls_inst
>>>             # XXX: the cls.pInstance is None but cls_inst is NOT None !!!
>>>
>>>         return cls.pInstance
>>>
>>> # This will allways return None under Python 3.2
>>> menuManagerInstance = MenuManager.instance()
>>> print(menuManagerInstance)
>>> <<<
>>>
>>> Under Python 2.6 and 2.7 the code work as expected (cls.pInstance is NOT
>>> None)
>>> If MenuManager inherits from object it will work (class
>>> MenuManager(object)), so there is something wrong with QObject
>>> wrapper...
>>> Under PyQt4 it works fine.
>>>
>>> I have absolutely no idea what is going on here.
>>>
>>> Regards
>>> Roman
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