[Qgis-developer] crash calling OpenFeatureForm from python

[Denis Rouzaud]

Hi,

I also noticed a crash with a python code for a feature form.
Once I deleted the pyc file, it went well.
I supposed this was due to upgrading the QGIS version.
Is this expected behavior due to different libs?

Thanks,

Denis

On 11/16/2015 09:01 PM, Matthias Kuhn wrote:
> Hi Régis,
>
> The same issue was previously seen when using global variables in the
> python logic attached to the form. Global variables are global, so
> there's only one of them and when you open two forms they interfere.
>
> Best,
> Matthias
>
> On 11/16/2015 12:15 PM, Régis Haubourg wrote:
>> Hi,
>> we have a sytematic crash with QGIS here (all tested versions).
>>
>> We open custom UI forms with python associated so that user do not have to
>> manually enable and close editing on the layers (form with qgis relation
>> widget on another layer).
>> Crash occurs when opening simultaneously twos forms fo the same feature.
>> Saving any edit crashes.
>> Using native form opening action from identify window does not crash.
>>
>> We saw references [1] [2] and qgis API warning about OpenFeatureForm and
>> preloadForm workaround [3]. Please find python scripts associated to layer
>> here [4]
>>
>> We couldn't have this workaround change anything. Especially, I have no clue
>> that preloadForm(myuifile.ui) works well. When loading a wring file path, I
>> have no error.
>>
>> Any idea?
>> Cheers
>> Régis
>> [1]
>> http://gis.stackexchange.com/questions/168448/why-does-openfeatureform-crash-qgis
>> [2]
>> http://forum.qt.io/topic/26562/crash-calling-c-method-using-quiloader-from-pyqt4
>> [3]
>> http://qgis.org/api/classQgisInterface.html#a11b90f38afd09ac5e9f363933ee4a509
>> [4]
>> https://drive.google.com/file/d/0BzatQbprJ-hjd2JzUE9nLS1yQWs/view?usp=sharing
>>
>>
>>
>> --
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