def createAlgorithm(self):
alg = QgsProcessingModelAlgorithm.ChildAlgorithm(self._alg.id())
if not self._algName:
alg.generateChildId(self.model)
else:
alg.setChildId(self._algName)
alg.setDescription(self.descriptionBox.text())
for param in self._alg.parameterDefinitions():
if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
val = self.wrappers[param.name()].value()
if (isinstance(val,
QgsProcessingModelAlgorithm.ChildParameterSource) and val.source() == QgsProcessingModelAlgorithm.ChildParameterSource.StaticValue and not param.checkValueIsAcceptable(
val.staticValue())) \
or (val is None and not param.flags() & QgsProcessingParameterDefinition.FlagOptional):
self.bar.pushMessage("Error", "Wrong or missing value for parameter '%s'" % param.description(),
level=QgsMessageBar.WARNING)
return None
if val is None:
continue
elif isinstance(val, QgsProcessingModelAlgorithm.ChildParameterSource):
alg.addParameterSources(param.name(), [val])
elif isinstance(val, list):
alg.addParameterSources(param.name(), val)
else:
alg.addParameterSources(param.name(), [QgsProcessingModelAlgorithm.ChildParameterSource.fromStaticValue(val)])
outputs = {}
for dest in self._alg.destinationParameterDefinitions():
if not dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
name = str(self.valueItems[dest.name()].text())
if name.strip() != '' and name != ModelerParametersDialog.ENTER_NAME:
output = QgsProcessingModelAlgorithm.ModelOutput(name, name)
output.setChildId(alg.childId())
output.setChildOutputName(dest.name())
outputs[name] = output
alg.setModelOutputs(outputs)
selectedOptions = self.dependenciesPanel.selectedoptions
availableDependencies = self.getAvailableDependencies() # spellok
dep_ids = []
for selected in selectedOptions:
dep_ids.append(availableDependencies[selected].childId()) # spellok
alg.setDependencies(dep_ids)
try:
self._alg.processBeforeAddingToModeler(alg, self.model)
except:
pass
return alg
