<div dir="ltr"><div>Hi, just to report that the following works for me:</div><div><br></div><div>from qgis.core import *</div><div>QgsApplication.setPrefixPath('/usr')</div><div>app = QgsApplication(sys.argv, True)</div><div>app.initQgis()</div><div>...</div><div><div>app.exec_()</div><div>app.deleteLater()</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 28, 2015 at 8:10 AM, Luigi Pirelli <span dir="ltr"><<a href="mailto:luipir@gmail.com" target="_blank">luipir@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">thank you DelazJ... I didn't remember where i read it<br>
<span class="im HOEnZb"><br>
regards<br>
Luigi Pirelli<br>
<br>
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* LinkedIn: <a href="https://www.linkedin.com/in/luigipirelli" rel="noreferrer" target="_blank">https://www.linkedin.com/in/luigipirelli</a><br>
* Elance: <a href="https://www.elance.com/s/edit/luigipirelli/" rel="noreferrer" target="_blank">https://www.elance.com/s/edit/luigipirelli/</a><br>
* GitHub: <a href="https://github.com/luipir" rel="noreferrer" target="_blank">https://github.com/luipir</a><br>
* Stackexchange: <a href="http://gis.stackexchange.com/users/19667/luigi-pirelli" rel="noreferrer" target="_blank">http://gis.stackexchange.com/users/19667/luigi-pirelli</a><br>
* Mastering QGIS:<br>
<a href="https://www.packtpub.com/application-development/mastering-qgis" rel="noreferrer" target="_blank">https://www.packtpub.com/application-development/mastering-qgis</a><br>
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<br>
<br>
</span><div class="HOEnZb"><div class="h5">On 28 October 2015 at 10:40, DelazJ <<a href="mailto:delazj@gmail.com">delazj@gmail.com</a>> wrote:<br>
> Hi,<br>
> It's discussed in this bug report : <a href="http://hub.qgis.org/issues/13494" rel="noreferrer" target="_blank">http://hub.qgis.org/issues/13494</a><br>
><br>
> 2015-10-28 10:21 GMT+01:00 Luigi Pirelli <<a href="mailto:luipir@gmail.com">luipir@gmail.com</a>>:<br>
>><br>
>> I suppose QtGui.QApplication(sys.argv) would be before the<br>
>> initQgis().... new Auth system need a QApplication to work.<br>
>><br>
>> I can't remember where there were a Larry Shaffer post regarding<br>
>> this... I can't find it now. Please ttest and give confirmation in the<br>
>> list.<br>
>><br>
>> regards<br>
>> Luigi Pirelli<br>
>><br>
>><br>
>> **************************************************************************************************<br>
>> * LinkedIn: <a href="https://www.linkedin.com/in/luigipirelli" rel="noreferrer" target="_blank">https://www.linkedin.com/in/luigipirelli</a><br>
>> * Elance: <a href="https://www.elance.com/s/edit/luigipirelli/" rel="noreferrer" target="_blank">https://www.elance.com/s/edit/luigipirelli/</a><br>
>> * GitHub: <a href="https://github.com/luipir" rel="noreferrer" target="_blank">https://github.com/luipir</a><br>
>> * Stackexchange: <a href="http://gis.stackexchange.com/users/19667/luigi-pirelli" rel="noreferrer" target="_blank">http://gis.stackexchange.com/users/19667/luigi-pirelli</a><br>
>> * Mastering QGIS:<br>
>> <a href="https://www.packtpub.com/application-development/mastering-qgis" rel="noreferrer" target="_blank">https://www.packtpub.com/application-development/mastering-qgis</a><br>
>><br>
>> **************************************************************************************************<br>
>><br>
>><br>
>> On 28 October 2015 at 10:01, Alessandro Pasotti <<a href="mailto:apasotti@gmail.com">apasotti@gmail.com</a>><br>
>> wrote:<br>
>> > 2015-10-28 9:57 GMT+01:00 François-Xavier Thomas<br>
>> > <<a href="mailto:francois-xavier.thomas@airinov.fr">francois-xavier.thomas@airinov.fr</a>>:<br>
>> >><br>
>> >> Hello all,<br>
>> >><br>
>> >> I've just upgraded to QGIS 2.12, in order to test some of my scripts<br>
>> >> with<br>
>> >> the new version, and they just happen to segfault immediately when I<br>
>> >> call<br>
>> >> QgsApplication.initQgis() in 2.12.<br>
>> >><br>
>> >> I've checked the latest docs[1], and the 3 lines mentioned at the<br>
>> >> beginning are enough to crash the Python interpreter:<br>
>> >><br>
>> >>   from qgis.core import *<br>
>> >>   QgsApplication.setPrefixPath("/usr", True)<br>
>> >>   QgsApplication.initQgis()<br>
>> >><br>
>> ><br>
>> > Try to add QtGui.QApplication(sys.argv) such as:<br>
>> ><br>
>> > #Initialize QGIS<br>
>> > core.QgsApplication.setPrefixPath("/usr", True)<br>
>> > core.QgsApplication.initQgis()<br>
>> > # On 2.10 crashes without!<br>
>> > QtGui.QApplication(sys.argv)<br>
>> ><br>
>> ><br>
>> > I thought it was fixed in 2.12 (and master).<br>
>> ><br>
>> ><br>
>> > --<br>
>> > Alessandro Pasotti<br>
>> > w3:   <a href="http://www.itopen.it" rel="noreferrer" target="_blank">www.itopen.it</a><br>
>> ><br>
>> > _______________________________________________<br>
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