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
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