[Qgis-developer] PyQt limitations of QGIS sip bindings... is there a workaround?

[Luigi Pirelli]

solved using mock module and mocked classes in qgis.testing
Luigi Pirelli

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On 13 April 2016 at 13:08, Luigi Pirelli <luipir at gmail.com> wrote:
> Hi
>
> I've this problem, I want to know the number of listeners connected to a signal.
> In c++ this is possibile using QObject.receivers method.
>
> this seems not possibile for c++ binded object to python... or I can't
> find how to do.
>
> for example in python console
>
> iface.receivers(SIGNAL("initializationCompleted"))
> Traceback (most recent call last):
>   File "<input>", line 1, in <module>
> RuntimeError: no access to protected functions or signals for objects
> not created from Python
>
> and the error comes from:
> https://github.com/ifwe/sip/blob/master/siplib/siplib.c#L5717
>
> there is some workaround to this limitation?
>
> the reason of this check is to write tests that can check if a method
> register a slot to a specific signal.
>
> Luigi Pirelli
>
> **************************************************************************************************
> * Boundless QGIS Support/Development: lpirelli AT boundlessgeo DOT com
> * LinkedIn: https://www.linkedin.com/in/luigipirelli
> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> * GitHub: https://github.com/luipir
> * Mastering QGIS:
> https://www.packtpub.com/application-development/mastering-qgis
> **************************************************************************************************