def close(self): if self.msg: dlg = MessageDialog() dlg.setTitle(QCoreApplication.translate('MessageBarProgress', 'Problem executing algorithm')) dlg.setMessage("<br>".join(self.msg)) dlg.exec_() iface.messageBar().clearWidgets()
def _executeAlgorithm(alg): ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing dependency')) dlg.setMessage( Processing.tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if (alg.countVisibleParameters()) > 0: dlg = alg.createCustomParametersWidget(None) if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress() context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def triggerResult(self, result): alg = QgsApplication.processingRegistry().createAlgorithmById(result.userData) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return dlg = alg.createCustomParametersWidget() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() # have to manually delete the dialog - otherwise it's owned by the # iface mainWindow and never deleted dlg.deleteLater() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool)
def _executeAlgorithm(alg): message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing dependency')) dlg.setMessage( Processing.tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return alg = alg.getCopy() if (alg.getVisibleParametersCount() + alg.getVisibleOutputsCount()) > 0: dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress() execute(alg, feedback) handleAlgorithmResults(alg, feedback) feedback.close()
def triggerResult(self, result): alg = QgsApplication.processingRegistry().createAlgorithmById(result.userData) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return if len(alg.parameterDefinitions()) > 2: # hack!! dlg = alg.createCustomParametersWidget(None) if not dlg: dlg = AlgorithmDialog(alg, True) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: parameters = {} execute_in_place(alg, parameters)
def executeAlgorithm(self): alg = self.algorithmTree.selectedAlgorithm() if alg is not None: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if alg.countVisibleParameters() > 0: dlg = alg.createCustomParametersWidget(self) if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress() context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def triggerResult(self, result): alg = QgsApplication.processingRegistry().createAlgorithmById(result.userData) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return if [d for d in alg.parameterDefinitions() if d.name() not in ('INPUT', 'OUTPUT')]: dlg = alg.createCustomParametersWidget(parent=iface.mainWindow()) if not dlg: dlg = AlgorithmDialog(alg, True, parent=iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress(algname=alg.displayName()) parameters = {} execute_in_place(alg, parameters, feedback=feedback)
def executeAlgorithm(self): item = self.algorithmTree.currentItem() if isinstance(item, TreeAlgorithmItem): alg = Processing.getAlgorithm(item.alg.commandLineName()) message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(self.tr("Missing dependency")) dlg.setMessage( self.tr("<h3>Missing dependency. This algorithm cannot " "be run :-( </h3>\n%s") % message ) dlg.exec_() return alg = alg.getCopy() dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) if dlg.executed: showRecent = ProcessingConfig.getSetting(ProcessingConfig.SHOW_RECENT_ALGORITHMS) if showRecent: self.addRecentAlgorithms(True) if isinstance(item, TreeActionItem): action = item.action action.setData(self) action.execute()
def executeAlgorithm(self): item = self.algorithmTree.currentItem() if isinstance(item, TreeAlgorithmItem): alg = QgsApplication.processingRegistry().createAlgorithmById(item.alg.id()) if not alg: return ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if alg.countVisibleParameters() > 0: dlg = alg.createCustomParametersWidget(self) if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) if dlg.executed: showRecent = ProcessingConfig.getSetting( ProcessingConfig.SHOW_RECENT_ALGORITHMS) if showRecent: self.addRecentAlgorithms(True) # have to manually delete the dialog - otherwise it's owned by the # iface mainWindow and never deleted dlg.deleteLater() else: feedback = MessageBarProgress() context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close() if isinstance(item, TreeActionItem): action = item.action action.setData(self) action.execute()
def handleAlgorithmResults(alg, progress=None, showResults=True): wrongLayers = [] htmlResults = False if progress is None: progress = SilentProgress() progress.setText(QCoreApplication.translate('Postprocessing', 'Loading resulting layers')) i = 0 for out in alg.outputs: progress.setPercentage(100 * i / float(len(alg.outputs))) if out.hidden or not out.open: continue if isinstance(out, (OutputRaster, OutputVector, OutputTable)): try: if out.value.startswith('memory:'): layer = out.memoryLayer QgsMapLayerRegistry.instance().addMapLayers([layer]) else: if ProcessingConfig.getSetting( ProcessingConfig.USE_FILENAME_AS_LAYER_NAME): name = os.path.basename(out.value) else: name = out.description dataobjects.load(out.value, name, alg.crs, RenderingStyles.getStyle(alg.commandLineName(), out.name)) except Exception as e: wrongLayers.append(out.description) elif isinstance(out, OutputHTML): ProcessingResults.addResult(out.description, out.value) htmlResults = True i += 1 if wrongLayers: QApplication.restoreOverrideCursor() dlg = MessageDialog() dlg.setTitle(QCoreApplication.translate('Postprocessing', 'Problem loading output layers')) msg = "The following layers were not correctly generated.<ul>" msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>" msg += "You can check the <a href='log'>log messages</a> to find more information about the execution of the algorithm" dlg.setMessage(msg) dlg.exec_() if showResults and htmlResults and not wrongLayers: QApplication.restoreOverrideCursor() dlg = ResultsDialog() dlg.exec_() return len(wrongLayers) == 0
def executeAlgorithm(self): alg = self.algorithmTree.selectedAlgorithm().create() if self.algorithmTree.selectedAlgorithm() is not None else None if alg is not None: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if self.in_place_mode and not [d for d in alg.parameterDefinitions() if d.name() not in ('INPUT', 'OUTPUT')]: parameters = {} feedback = MessageBarProgress(algname=alg.displayName()) ok, results = execute_in_place(alg, parameters, feedback=feedback) if ok: iface.messageBar().pushSuccess('', self.tr('{} complete').format(alg.displayName())) feedback.close() # MessageBarProgress handles errors return if alg.countVisibleParameters() > 0: dlg = alg.createCustomParametersWidget(self) if not dlg: dlg = AlgorithmDialog(alg, self.in_place_mode, iface.mainWindow()) dlg.setAttribute(Qt.WA_DeleteOnClose) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress(algname=alg.displayName()) context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def executeAlgorithm(self): item = self.algorithmTree.currentItem() if isinstance(item, TreeAlgorithmItem): alg = QgsApplication.processingRegistry().createAlgorithmById( item.alg.id()) if not alg: return ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if alg.countVisibleParameters() > 0: dlg = alg.createCustomParametersWidget(self) if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) if dlg.wasExecuted(): showRecent = ProcessingConfig.getSetting( ProcessingConfig.SHOW_RECENT_ALGORITHMS) if showRecent: self.addRecentAlgorithms(True) else: feedback = MessageBarProgress() context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def executeAlgorithm(self): alg = self.algorithmTree.selectedAlgorithm().create() if self.algorithmTree.selectedAlgorithm() is not None else None if alg is not None: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if self.in_place_mode and not [d for d in alg.parameterDefinitions() if d.name() not in ('INPUT', 'OUTPUT')]: parameters = {} feedback = MessageBarProgress(algname=alg.displayName()) ok, results = execute_in_place(alg, parameters, feedback=feedback) if ok: iface.messageBar().pushSuccess('', self.tr('{} complete').format(alg.displayName())) feedback.close() # MessageBarProgress handles errors return if alg.countVisibleParameters() > 0: dlg = alg.createCustomParametersWidget(self) if not dlg: dlg = AlgorithmDialog(alg, self.in_place_mode, iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress(algname=alg.displayName()) context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def executeAlgorithm(self): item = self.algorithmTree.currentItem() if isinstance(item, TreeAlgorithmItem): context = dataobjects.createContext() alg = QgsApplication.processingRegistry().algorithmById( item.alg.id()) message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return alg = alg.getCopy() if (alg.getVisibleParametersCount() + alg.getVisibleOutputsCount()) > 0: dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) if dlg.executed: showRecent = ProcessingConfig.getSetting( ProcessingConfig.SHOW_RECENT_ALGORITHMS) if showRecent: self.addRecentAlgorithms(True) else: feedback = MessageBarProgress() execute(alg, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close() if isinstance(item, TreeActionItem): action = item.action action.setData(self) action.execute()
def executeAlgorithm(self): item = self.algorithmTree.currentItem() if isinstance(item, TreeAlgorithmItem): alg = Processing.getAlgorithm(item.alg.commandLineName()) message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n%s') % message) dlg.exec_() return alg = alg.getCopy() if (alg.getVisibleParametersCount() + alg.getVisibleOutputsCount()) > 0: dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) if dlg.executed: showRecent = ProcessingConfig.getSetting( ProcessingConfig.SHOW_RECENT_ALGORITHMS) if showRecent: self.addRecentAlgorithms(True) else: progress = MessageBarProgress() runalg(alg, progress) handleAlgorithmResults(alg, progress) progress.close() if isinstance(item, TreeActionItem): action = item.action action.setData(self) action.execute()
def triggerResult(self, result): config = {'IN_PLACE': True} alg = QgsApplication.processingRegistry().createAlgorithmById( result.userData, config) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return in_place_input_parameter_name = 'INPUT' if hasattr(alg, 'inputParameterName'): in_place_input_parameter_name = alg.inputParameterName() if [ d for d in alg.parameterDefinitions() if d.name() not in (in_place_input_parameter_name, 'OUTPUT') ]: dlg = alg.createCustomParametersWidget( parent=iface.mainWindow()) if not dlg: dlg = AlgorithmDialog(alg, True, parent=iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress(algname=alg.displayName()) parameters = {} execute_in_place(alg, parameters, feedback=feedback)
def runAlgorithm(self, alg): alg = alg.getCopy() message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool)
def triggerResult(self, result): alg = QgsApplication.processingRegistry().algorithmById(result.userData) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return dlg = alg.createCustomParametersWidget() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool)
def executeAlgorithm(value, iface): alg = QgsApplication.processingRegistry().createAlgorithmById(value) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle('Missing dependency') dlg.setMessage(message) dlg.exec_() return dlg = alg.createCustomParametersWidget(parent=iface.mainWindow()) if not dlg: dlg = AlgorithmDialog(alg, parent=iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except Exception: pass canvas.setMapTool(prevMapTool)
def triggerResult(self, result): alg = QgsApplication.processingRegistry().createAlgorithmById(result.userData) if alg: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return dlg = alg.createCustomParametersWidget(None) if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool)
def _executeAlgorithm(alg): message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing dependency')) dlg.setMessage( Processing.tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return # hack - remove when getCopy is removed provider = alg.provider() alg = alg.getCopy() #hack pt 2 alg.setProvider(provider) context = dataobjects.createContext() if (alg.getVisibleParametersCount() + alg.getVisibleOutputsCount()) > 0: dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress() execute(alg, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def _executeAlgorithm(alg): message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(tr('Missing dependency')) dlg.setMessage( tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n%s') % message) dlg.exec_() return alg = alg.getCopy() dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool)
def triggerResult(self, result): a = QgsApplication.processingRegistry().algorithmById(result.userData) if a: alg = a.getCopy() message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage(message) dlg.exec_() return dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool)
def executeAlgorithm(self): item = self.algorithmTree.currentItem() if isinstance(item, TreeAlgorithmItem): alg = Processing.getAlgorithm(item.alg.commandLineName()) message = alg.checkBeforeOpeningParametersDialog() if message: dlg = MessageDialog() dlg.setTitle(self.tr('Missing dependency')) dlg.setMessage( self.tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n%s') % message) dlg.exec_() return alg = alg.getCopy() dlg = alg.getCustomParametersDialog() if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) if dlg.executed: showRecent = ProcessingConfig.getSetting( ProcessingConfig.SHOW_RECENT_ALGORITHMS) if showRecent: self.addRecentAlgorithms(True) if isinstance(item, TreeActionItem): action = item.action action.setData(self) action.execute()
def _executeAlgorithm(alg_id): alg = QgsApplication.processingRegistry().createAlgorithmById(alg_id) if alg is None: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing Algorithm')) dlg.setMessage( Processing. tr('The algorithm "{}" is no longer available. (Perhaps a plugin was uninstalled?)' ).format(alg_id)) dlg.exec_() return ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing Dependency')) dlg.setMessage( Processing.tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if (alg.countVisibleParameters()) > 0: dlg = alg.createCustomParametersWidget(None) if not dlg: dlg = AlgorithmDialog(alg) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress() context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def _executeAlgorithm(alg_id): alg = QgsApplication.processingRegistry().createAlgorithmById(alg_id) if alg is None: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing Algorithm')) dlg.setMessage( Processing.tr('The algorithm "{}" is no longer available. (Perhaps a plugin was uninstalled?)').format(alg_id)) dlg.exec_() return ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(Processing.tr('Missing Dependency')) dlg.setMessage( Processing.tr('<h3>Missing dependency. This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if (alg.countVisibleParameters()) > 0: dlg = alg.createCustomParametersWidget(parent=iface.mainWindow()) if not dlg: dlg = AlgorithmDialog(alg, parent=iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress() context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
def executeAlgorithm(self, alg_id, parent, in_place=False, as_batch=False): """Executes a project model with GUI interaction if needed. :param alg_id: algorithm id :type alg_id: string :param parent: parent widget :type parent: QWidget :param in_place: in place flag, defaults to False :type in_place: bool, optional :param as_batch: execute as batch flag, defaults to False :type as_batch: bool, optional """ config = {} if in_place: config['IN_PLACE'] = True alg = QgsApplication.instance().processingRegistry().createAlgorithmById(alg_id, config) if alg is not None: ok, message = alg.canExecute() if not ok: dlg = MessageDialog() dlg.setTitle(self.tr('Error executing algorithm')) dlg.setMessage( self.tr('<h3>This algorithm cannot ' 'be run :-( </h3>\n{0}').format(message)) dlg.exec_() return if as_batch: dlg = BatchAlgorithmDialog(alg, iface.mainWindow()) dlg.show() dlg.exec_() else: in_place_input_parameter_name = 'INPUT' if hasattr(alg, 'inputParameterName'): in_place_input_parameter_name = alg.inputParameterName() if in_place and not [d for d in alg.parameterDefinitions() if d.name() not in (in_place_input_parameter_name, 'OUTPUT')]: parameters = {} feedback = MessageBarProgress(algname=alg.displayName()) ok, results = execute_in_place(alg, parameters, feedback=feedback) if ok: iface.messageBar().pushSuccess('', self.tr('{algname} completed. %n feature(s) processed.', n=results['__count']).format(algname=alg.displayName())) feedback.close() # MessageBarProgress handles errors return if alg.countVisibleParameters() > 0: dlg = alg.createCustomParametersWidget(parent) if not dlg: dlg = AlgorithmDialog(alg, in_place, iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() dlg.exec_() if canvas.mapTool() != prevMapTool: try: canvas.mapTool().reset() except Exception: pass canvas.setMapTool(prevMapTool) else: feedback = MessageBarProgress(algname=alg.displayName()) context = dataobjects.createContext(feedback) parameters = {} ret, results = execute(alg, parameters, context, feedback) handleAlgorithmResults(alg, context, feedback) feedback.close()
try: if out.value.startswith('memory:'): layer = out.memoryLayer QgsMapLayerRegistry.instance().addMapLayers([layer]) else: if ProcessingConfig.getSetting( ProcessingConfig.USE_FILENAME_AS_LAYER_NAME): name = os.path.basename(out.value) else: name = out.description dataobjects.load(out.value, name, alg.crs, RenderingStyles.getStyle(alg.commandLineName(), out.name)) except Exception, e: wrongLayers.append(out) elif isinstance(out, OutputHTML): ProcessingResults.addResult(out.description, out.value) htmlResults = True i += 1 if wrongLayers: QApplication.restoreOverrideCursor() dlg = MessageDialog() dlg.setTitle(QCoreApplication.translate('Postprocessing', 'Problem loading output layers')) dlg.setMessage(alg.getPostProcessingErrorMessage(wrongLayers)) dlg.exec_() if showResults and htmlResults and not wrongLayers: QApplication.restoreOverrideCursor() dlg = ResultsDialog() dlg.exec_()
else: name = out.description dataobjects.load( out.value, name, alg.crs, RenderingStyles.getStyle(alg.commandLineName(), out.name)) except Exception, e: wrongLayers.append(out.description) elif isinstance(out, OutputHTML): ProcessingResults.addResult(out.description, out.value) htmlResults = True i += 1 if wrongLayers: QApplication.restoreOverrideCursor() dlg = MessageDialog() dlg.setTitle( QCoreApplication.translate('Postprocessing', 'Problem loading output layers')) msg = "The following layers were not correctly generated.<ul>" msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>" msg += "You can check the <a href='log'>log messages</a> to find more information about the execution of the algorithm" dlg.setMessage(msg) dlg.exec_() if showResults and htmlResults and not wrongLayers: QApplication.restoreOverrideCursor() dlg = ResultsDialog() dlg.exec_() return len(wrongLayers) == 0