Hi, I just want to display a messageBar instead of displaying it un the processing output console (feedback.pushInfo) It's ni big deal but i was just confused.
Do toi have any tips of use case of the differents pushInfo, pushConsoleInfo, etc. ? Thanks Le lun. 9 juil. 2018 19:18, Matthias Kuhn <matth...@opengis.ch> a écrit : > Hi, > > can you elaborate why you need access to iface? In most cases there are > different ways that help you keep the algorithm modular and portable by > specifying required components via parameters or acquiring them from the > processing context. > > Best regards > > Matthias > > On 07/09/2018 09:58 AM, Jean-Baptiste Desbas wrote: > > Hello, > > What is the proper way to access iface in a processing alg ? > > I try "from qgis.utils import iface" but it crash when i make an > iface.pushWarning. > > Thanks, > > Here is the stack trace : > > > > > *Crash ID*: 59968a8cbec4e3d98bbe532ada707149cd7f9eee > > > *Stack Trace* > <pre> > QgsCustomization::preNotify : > QObject::event : > QApplicationPrivate::notify_helper : > QApplication::notify : > QgsApplication::notify : > QCoreApplication::notifyInternal2 : > QCoreApplicationPrivate::sendPostedEvents : > qt_plugin_query_metadata : > QEventDispatcherWin32::processEvents : > CallWindowProcW : > DispatchMessageW : > QEventDispatcherWin32::processEvents : > qt_plugin_query_metadata : > QEventLoop::exec : > QDialog::exec : > PyCFunction_FastCallDict : > PyObject_GenericGetAttr : > PyEval_EvalFrameDefault : > PyFunction_FastCallDict : > PyObject_CallFunctionObjArgs : > PyObject_Call : > PyInit_QtCore : > PyInit_QtCore : > PyInit_QtCore : > PyInit_QtCore : > PyInit_QtCore : > QMetaObject::activate : > QAbstractItemView::doubleClicked : > QTreeView::mouseDoubleClickEvent : > QWidget::event : > QFrame::event : > QAbstractItemView::viewportEvent : > QCoreApplicationPrivate::sendThroughObjectEventFilters : > QApplicationPrivate::notify_helper : > QApplication::notify : > QgsApplication::notify : > QCoreApplication::notifyInternal2 : > QApplicationPrivate::sendMouseEvent : > QSizePolicy::QSizePolicy : > QSizePolicy::QSizePolicy : > QApplicationPrivate::notify_helper : > QApplication::notify : > QgsApplication::notify : > QCoreApplication::notifyInternal2 : > QGuiApplicationPrivate::processMouseEvent : > QWindowSystemInterface::sendWindowSystemEvents : > QEventDispatcherWin32::processEvents : > CallWindowProcW : > DispatchMessageW : > QEventDispatcherWin32::processEvents : > qt_plugin_query_metadata : > QEventLoop::exec : > QCoreApplication::exec : > main : > BaseThreadInitThunk : > RtlUserThreadStart : > </pre> > > > *QGIS Info* > QGIS Version: 3.2.0-Bonn > QGIS code revision: commit:bc43194061 > Compiled against Qt: 5.9.2 > Running against Qt: 5.9.2 > Compiled against GDAL: 2.2.4 > Running against GDAL: 2.2.4 > > > > *System Info* > CPU Type: x86_64 > Kernel Type: winnt > Kernel Version: 10.0.17134 > > > > _______________________________________________ > Qgis-user mailing listqgis-u...@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > -- > Matthias Kuhn > matth...@opengis.ch > +41 (0)76 435 67 63 <+41764356763> > [image: OPENGIS.ch Logo] <http://www.opengis.ch> > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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