[PyQt] Problem with QValidator

[Björn Häuser]

Phil Thompson schrieb:
> On Sun, 07 Jun 2009 16:23:03 +0200, "Björn Häuser"
> <bjoernhaeuser at googlemail.com> wrote:
>> Hello List!
>>
>> I have a Problem with my own QValidator. Just tried to write one which 
>> checks the length of a input field.
>>
>> Traceback (most recent call last):
>>    File "window.py", line 97, in <module>
>>      window = Window(config)
>>    File "window.py", line 26, in __init__
>>      self.ui.username.setValidator(vsl)
>> RuntimeError: underlying C/C++ object has been deleted
>>
>>
>> This is the error i get when trying to use it.
>>
>>          vsl = validStringLength(2, 8, self)
>>          self.ui.username.setValidator(vsl)
>>
>> This the basic code for using the validator.
>>
>> http://pastie.org/503567 - this is the rest of this file.
>> http://pastie.org/503568 - this is the validator file.
>>
>> Any help appreciated (and any suggestions, especially regarding code 
>> quality).
> 
> I'm guessing that you are not keeping a reference to your validator. I'll
> change things so that a reference is kept automatically.
> 
> Phil

Thanks Phil for your answer.

How do i keep such a reference? I also tried to use self.vsl, but 
getting the same error.

Thanks in advance,
Björn