def createAlgorithmDialog(algOrName, parameters={}):
"""
Creates and returns an algorithm dialog for the specified algorithm, prepopulated
with a given set of parameters. It is the caller's responsibility to execute
and delete this dialog.
:param algOrName: Either an instance of an algorithm, or an algorithm's ID
:param parameters: Initial algorithm parameters dictionary
:returns algorithm results as a dictionary, or None if execution failed
:rtype: Union[dict, None]
"""
if isinstance(algOrName, QgsProcessingAlgorithm):
alg = algOrName.create()
else:
alg = QgsApplication.processingRegistry().createAlgorithmById(
algOrName)
if alg is None:
return False
dlg = alg.createCustomParametersWidget(iface.mainWindow())
if not dlg:
dlg = AlgorithmDialog(alg, parent=iface.mainWindow())
dlg.setParameters(parameters)
return dlg
def createAlgorithmDialog(algOrName, parameters={}):
"""
Creates and returns an algorithm dialog for the specified algorithm, prepopulated
with a given set of parameters. It is the caller's responsibility to execute
and delete this dialog.
:param algOrName: Either an instance of an algorithm, or an algorithm's ID
:param parameters: Initial algorithm parameters dictionary
:returns algorithm results as a dictionary, or None if execution failed
:rtype: Union[dict, None]
"""
if isinstance(algOrName, QgsProcessingAlgorithm):
alg = algOrName.create()
else:
alg = QgsApplication.processingRegistry().createAlgorithmById(algOrName)
if alg is None:
return False
dlg = alg.createCustomParametersWidget(iface.mainWindow())
if not dlg:
dlg = AlgorithmDialog(alg, parent=iface.mainWindow())
dlg.setParameters(parameters)
return dlg
def runModel(self):
valid, errors = self.model().validate()
if not valid:
message_box = QMessageBox()
message_box.setWindowTitle(self.tr('Model is Invalid'))
message_box.setIcon(QMessageBox.Warning)
message_box.setText(self.tr('This model is not valid and contains one or more issues. Are you sure you want to run it in this state?'))
message_box.setStandardButtons(QMessageBox.Yes | QMessageBox.Cancel)
message_box.setDefaultButton(QMessageBox.Cancel)
error_string = ''
for e in errors:
e = re.sub(r'<[^>]*>', '', e)
error_string += '• {}\n'.format(e)
message_box.setDetailedText(error_string)
if message_box.exec_() == QMessageBox.Cancel:
return
def on_finished(successful, results):
self.setLastRunChildAlgorithmResults(dlg.results().get('CHILD_RESULTS', {}))
self.setLastRunChildAlgorithmInputs(dlg.results().get('CHILD_INPUTS', {}))
dlg = AlgorithmDialog(self.model().create(), parent=self)
dlg.setParameters(self.model().designerParameterValues())
dlg.algorithmFinished.connect(on_finished)
dlg.exec_()
if dlg.wasExecuted():
self.model().setDesignerParameterValues(dlg.createProcessingParameters(include_default=False))
def runModel(self):
if len(self.model().childAlgorithms()) == 0:
self.messageBar().pushMessage(
"",
self.
tr("Model doesn't contain any algorithm and/or parameter and can't be executed"
),
level=Qgis.Warning,
duration=5)
return
dlg = AlgorithmDialog(self.model().create(), parent=self)
dlg.setParameters(self.model().designerParameterValues())
dlg.exec_()
if dlg.wasExecuted():
self.model().setDesignerParameterValues(dlg.getParameterValues())
def runModel(self):
if len(self.model().childAlgorithms()) == 0:
self.messageBar().pushMessage("", self.tr(
"Model doesn't contain any algorithm and/or parameter and can't be executed"), level=Qgis.Warning,
duration=5)
return
def on_finished(successful, results):
self.setLastRunChildAlgorithmResults(dlg.results().get('CHILD_RESULTS', {}))
self.setLastRunChildAlgorithmInputs(dlg.results().get('CHILD_INPUTS', {}))
dlg = AlgorithmDialog(self.model().create(), parent=self)
dlg.setParameters(self.model().designerParameterValues())
dlg.algorithmFinished.connect(on_finished)
dlg.exec_()
if dlg.wasExecuted():
self.model().setDesignerParameterValues(dlg.getParameterValues())
def createAlgorithmDialog(algOrName, parameters={}):
"""Creates and returns an algorithm dialog for the specified algorithm, prepopulated
with a given set of parameters. It is the caller's responsibility to execute
and delete this dialog.
"""
if isinstance(algOrName, QgsProcessingAlgorithm):
alg = algOrName
else:
alg = QgsApplication.processingRegistry().createAlgorithmById(algOrName)
if alg is None:
return False
dlg = alg.createCustomParametersWidget(iface.mainWindow())
if not dlg:
dlg = AlgorithmDialog(alg)
dlg.setParameters(parameters)
return dlg
def createAlgorithmDialog(algOrName, parameters={}):
"""Creates and returns an algorithm dialog for the specified algorithm, prepopulated
with a given set of parameters. It is the caller's responsibility to execute
and delete this dialog.
"""
if isinstance(algOrName, QgsProcessingAlgorithm):
alg = algOrName
else:
alg = QgsApplication.processingRegistry().createAlgorithmById(algOrName)
if alg is None:
return False
dlg = alg.createCustomParametersWidget(iface.mainWindow())
if not dlg:
dlg = AlgorithmDialog(alg)
dlg.setParameters(parameters)
return dlg
