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562 lines
22 KiB
Python
562 lines
22 KiB
Python
"""
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***************************************************************************
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ProcessingPlugin.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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import shutil
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import os
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import sys
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from typing import List
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from functools import partial
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from qgis.core import (QgsApplication,
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QgsProcessingUtils,
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QgsProcessingModelAlgorithm,
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QgsProcessingAlgorithm,
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QgsDataItemProvider,
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QgsDataProvider,
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QgsDataItem,
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QgsMapLayerType,
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QgsMimeDataUtils,
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QgsSettings)
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from qgis.gui import (QgsGui,
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QgsOptionsWidgetFactory,
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QgsCustomDropHandler,
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QgsProcessingHistoryDialog)
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from qgis.PyQt.QtCore import (
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QObject,
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Qt,
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QItemSelectionModel,
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QCoreApplication,
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QDir,
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QFileInfo,
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pyqtSlot,
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QMetaObject
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)
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from qgis.PyQt.QtWidgets import (
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QWidget,
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QMenu,
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QAction
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)
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from qgis.PyQt.QtGui import (
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QIcon,
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QKeySequence
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)
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from qgis.utils import iface
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from processing.core.Processing import Processing
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from processing.gui.ProcessingToolbox import ProcessingToolbox
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from processing.gui.ConfigDialog import ConfigOptionsPage
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from processing.gui.ResultsDock import ResultsDock
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from processing.gui.MessageDialog import MessageDialog
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from processing.gui.MessageBarProgress import MessageBarProgress
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from processing.gui.AlgorithmLocatorFilter import (AlgorithmLocatorFilter,
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InPlaceAlgorithmLocatorFilter)
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from processing.gui.Postprocessing import handleAlgorithmResults
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from processing.gui.AlgorithmExecutor import execute, execute_in_place
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from processing.gui.AlgorithmDialog import AlgorithmDialog
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from processing.gui.BatchAlgorithmDialog import BatchAlgorithmDialog
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from processing.gui import TestTools
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from processing.modeler.ModelerDialog import ModelerDialog
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from processing.tools.system import tempHelpFolder
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from processing.tools import dataobjects
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from processing.gui.menus import removeMenus, initializeMenus, createMenus, createButtons, removeButtons
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from processing.core.ProcessingResults import resultsList
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pluginPath = os.path.dirname(__file__)
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class ProcessingOptionsFactory(QgsOptionsWidgetFactory):
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def __init__(self):
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super(QgsOptionsWidgetFactory, self).__init__()
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def icon(self):
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return QgsApplication.getThemeIcon('/processingAlgorithm.svg')
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def createWidget(self, parent):
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return ConfigOptionsPage(parent)
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class ProcessingDropHandler(QgsCustomDropHandler):
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def handleFileDrop(self, file):
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if not file.lower().endswith('.model3'):
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return False
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return self.runAlg(file)
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@staticmethod
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def runAlg(file):
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alg = QgsProcessingModelAlgorithm()
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if not alg.fromFile(file):
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return False
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alg.setProvider(QgsApplication.processingRegistry().providerById('model'))
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dlg = AlgorithmDialog(alg, parent=iface.mainWindow())
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dlg.show()
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# do NOT remove!!!! if you do then sip forgets the python subclass of AlgorithmDialog and you get a broken
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# dialog
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dlg.exec()
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return True
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def customUriProviderKey(self):
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return 'processing'
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def handleCustomUriDrop(self, uri):
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path = uri.uri
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self.runAlg(path)
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class ProcessingModelItem(QgsDataItem):
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def __init__(self, parent, name, path):
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super().__init__(QgsDataItem.Type.Custom, parent, name, path)
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self.setState(QgsDataItem.State.Populated) # no children
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self.setIconName(":/images/themes/default/processingModel.svg")
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self.setToolTip(QDir.toNativeSeparators(path))
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def hasDragEnabled(self):
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return True
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def handleDoubleClick(self):
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self.runModel()
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return True
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def mimeUri(self):
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u = QgsMimeDataUtils.Uri()
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u.layerType = "custom"
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u.providerKey = "processing"
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u.name = self.name()
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u.uri = self.path()
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return u
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def runModel(self):
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ProcessingDropHandler.runAlg(self.path())
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def editModel(self):
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dlg = ModelerDialog.create()
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dlg.loadModel(self.path())
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dlg.show()
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def actions(self, parent):
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run_model_action = QAction(QCoreApplication.translate('ProcessingPlugin', '&Run Model…'), parent)
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run_model_action.triggered.connect(self.runModel)
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edit_model_action = QAction(QCoreApplication.translate('ProcessingPlugin', '&Edit Model…'), parent)
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edit_model_action.triggered.connect(self.editModel)
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return [run_model_action, edit_model_action]
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class ProcessingDataItemProvider(QgsDataItemProvider):
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def __init__(self):
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super().__init__()
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def name(self):
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return 'processing'
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def capabilities(self):
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return QgsDataProvider.DataCapability.File
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def createDataItem(self, path, parentItem):
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file_info = QFileInfo(path)
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if file_info.suffix().lower() == 'model3':
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alg = QgsProcessingModelAlgorithm()
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if alg.fromFile(path):
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return ProcessingModelItem(parentItem, alg.name(), path)
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return None
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class ProcessingPlugin(QObject):
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def __init__(self, iface):
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super().__init__()
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self.iface = iface
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self.options_factory = None
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self.drop_handler = None
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self.item_provider = None
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self.locator_filter = None
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self.edit_features_locator_filter = None
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self.initialized = False
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self._gui_connections: List[QMetaObject.Connection] = []
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self.initProcessing()
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def initProcessing(self):
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if not self.initialized:
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self.initialized = True
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Processing.initialize()
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def finalizeStartup(self):
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Processing.perform_deferred_model_initialization()
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def initGui(self):
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# port old log, ONCE ONLY!
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settings = QgsSettings()
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if not settings.value("/Processing/hasPortedOldLog", False, bool):
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processing_history_provider = QgsGui.historyProviderRegistry().providerById('processing')
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if processing_history_provider:
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processing_history_provider.portOldLog()
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settings.setValue("/Processing/hasPortedOldLog", True)
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self.options_factory = ProcessingOptionsFactory()
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self.options_factory.setTitle(self.tr('Processing'))
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iface.registerOptionsWidgetFactory(self.options_factory)
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self.drop_handler = ProcessingDropHandler()
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iface.registerCustomDropHandler(self.drop_handler)
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self.item_provider = ProcessingDataItemProvider()
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QgsApplication.dataItemProviderRegistry().addProvider(self.item_provider)
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self.locator_filter = AlgorithmLocatorFilter()
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iface.registerLocatorFilter(self.locator_filter)
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# Invalidate the locator filter for in-place when active layer changes
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self._gui_connections.append(
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iface.currentLayerChanged.connect(lambda _: self.iface.invalidateLocatorResults())
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)
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self.edit_features_locator_filter = InPlaceAlgorithmLocatorFilter()
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iface.registerLocatorFilter(self.edit_features_locator_filter)
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QgsGui.historyProviderRegistry().providerById('processing').executePython.connect(
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self._execute_history_commands
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)
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QgsGui.historyProviderRegistry().providerById('processing').createTest.connect(
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self.create_test
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)
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self.toolbox = ProcessingToolbox()
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self.iface.addDockWidget(Qt.DockWidgetArea.RightDockWidgetArea, self.toolbox)
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self.toolbox.hide()
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self.toolbox.visibilityChanged.connect(self.toolboxVisibilityChanged)
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self.toolbox.executeWithGui.connect(self.executeAlgorithm)
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self.resultsDock = ResultsDock()
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self.iface.addDockWidget(Qt.DockWidgetArea.RightDockWidgetArea, self.resultsDock)
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self.resultsDock.hide()
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self.menu = QMenu(self.iface.mainWindow().menuBar())
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self.menu.setObjectName('processing')
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self.menu.setTitle(self.tr('Pro&cessing'))
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self.toolboxAction = QAction(self.tr('&Toolbox'), self.iface.mainWindow())
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self.toolboxAction.setCheckable(True)
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self.toolboxAction.setObjectName('toolboxAction')
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self.toolboxAction.setIcon(
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QgsApplication.getThemeIcon("/processingAlgorithm.svg"))
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self.iface.registerMainWindowAction(self.toolboxAction,
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QKeySequence('Ctrl+Alt+T').toString(QKeySequence.SequenceFormat.NativeText))
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self.toolboxAction.toggled.connect(self.openToolbox)
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self.iface.attributesToolBar().insertAction(self.iface.actionOpenStatisticalSummary(), self.toolboxAction)
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self.menu.addAction(self.toolboxAction)
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self.modelerAction = QAction(
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QgsApplication.getThemeIcon("/processingModel.svg"),
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QCoreApplication.translate('ProcessingPlugin', '&Model Designer…'), self.iface.mainWindow())
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self.modelerAction.setObjectName('modelerAction')
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self.modelerAction.triggered.connect(self.openModeler)
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self.iface.registerMainWindowAction(self.modelerAction,
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QKeySequence('Ctrl+Alt+G').toString(QKeySequence.SequenceFormat.NativeText))
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self.menu.addAction(self.modelerAction)
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self.historyAction = QAction(
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QgsApplication.getThemeIcon("/mIconHistory.svg"),
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QCoreApplication.translate('ProcessingPlugin', '&History…'), self.iface.mainWindow())
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self.historyAction.setObjectName('historyAction')
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self.historyAction.triggered.connect(self.openHistory)
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self.iface.registerMainWindowAction(self.historyAction,
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QKeySequence('Ctrl+Alt+H').toString(QKeySequence.SequenceFormat.NativeText))
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self.menu.addAction(self.historyAction)
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self.toolbox.processingToolbar.addAction(self.historyAction)
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self.resultsAction = QAction(
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QgsApplication.getThemeIcon("/processingResult.svg"),
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self.tr('&Results Viewer'), self.iface.mainWindow())
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self.resultsAction.setObjectName('resultsViewer')
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self.resultsAction.setCheckable(True)
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self.iface.registerMainWindowAction(self.resultsAction,
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QKeySequence('Ctrl+Alt+R').toString(QKeySequence.SequenceFormat.NativeText))
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self.menu.addAction(self.resultsAction)
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self.toolbox.processingToolbar.addAction(self.resultsAction)
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self.resultsDock.visibilityChanged.connect(self.resultsAction.setChecked)
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self.resultsAction.toggled.connect(self.resultsDock.setUserVisible)
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self.toolbox.processingToolbar.addSeparator()
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self.editInPlaceAction = QAction(
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QgsApplication.getThemeIcon("/mActionProcessSelected.svg"),
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self.tr('Edit Features In-Place'), self.iface.mainWindow())
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self.editInPlaceAction.setObjectName('editInPlaceFeatures')
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self.editInPlaceAction.setCheckable(True)
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self.editInPlaceAction.toggled.connect(self.editSelected)
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self.menu.addAction(self.editInPlaceAction)
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self.toolbox.processingToolbar.addAction(self.editInPlaceAction)
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self.toolbox.processingToolbar.addSeparator()
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self.optionsAction = QAction(
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QgsApplication.getThemeIcon("/mActionOptions.svg"),
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self.tr('Options'), self.iface.mainWindow())
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self.optionsAction.setObjectName('optionsAction')
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self.optionsAction.triggered.connect(self.openProcessingOptions)
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self.toolbox.processingToolbar.addAction(self.optionsAction)
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menuBar = self.iface.mainWindow().menuBar()
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menuBar.insertMenu(
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self.iface.firstRightStandardMenu().menuAction(), self.menu)
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self.menu.addSeparator()
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initializeMenus()
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createMenus()
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createButtons()
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# In-place editing button state sync
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# we need to explicitly store and disconnect these connections
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# on plugin unload -- they aren't cleaned up automatically (see
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# https://github.com/qgis/QGIS/issues/53455)
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self._gui_connections.append(
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self.iface.currentLayerChanged.connect(self.sync_in_place_button_state)
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)
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self._gui_connections.append(
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self.iface.mapCanvas().selectionChanged.connect(self.sync_in_place_button_state)
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)
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self._gui_connections.append(
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self.iface.actionToggleEditing().triggered.connect(partial(self.sync_in_place_button_state, None))
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)
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self.sync_in_place_button_state()
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# Sync project models
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self.projectModelsMenu = None
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self.projectMenuAction = None
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self.projectMenuSeparator = None
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self.projectProvider = QgsApplication.instance().processingRegistry().providerById("project")
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self._gui_connections.append(
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self.projectProvider.algorithmsLoaded.connect(self.updateProjectModelMenu)
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)
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def updateProjectModelMenu(self):
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"""Add projects models to menu"""
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if self.projectMenuAction is None:
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self.projectModelsMenu = QMenu(self.tr("Models"))
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self.projectMenuAction = self.iface.projectMenu().insertMenu(self.iface.projectMenu().children()[-1], self.projectModelsMenu)
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self.projectMenuAction.setParent(self.projectModelsMenu)
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self.iface.projectMenu().insertSeparator(self.projectMenuAction)
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self.projectModelsMenu.clear()
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for model in self.projectProvider.algorithms():
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modelSubMenu = self.projectModelsMenu.addMenu(model.name())
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modelSubMenu.setParent(self.projectModelsMenu)
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action = QAction(self.tr("Execute…"), modelSubMenu)
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action.triggered.connect(partial(self.executeAlgorithm, model.id(), self.projectModelsMenu, self.toolbox.in_place_mode))
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modelSubMenu.addAction(action)
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if model.flags() & QgsProcessingAlgorithm.Flag.FlagSupportsBatch:
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action = QAction(self.tr("Execute as Batch Process…"), modelSubMenu)
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modelSubMenu.addAction(action)
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action.triggered.connect(partial(self.executeAlgorithm, model.id(), self.projectModelsMenu, self.toolbox.in_place_mode, True))
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@pyqtSlot(str, QWidget, bool, bool)
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def executeAlgorithm(self, alg_id, parent, in_place=False, as_batch=False):
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"""Executes a project model with GUI interaction if needed.
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:param alg_id: algorithm id
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:type alg_id: string
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:param parent: parent widget
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:type parent: QWidget
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:param in_place: in place flag, defaults to False
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:type in_place: bool, optional
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:param as_batch: execute as batch flag, defaults to False
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:type as_batch: bool, optional
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"""
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config = {}
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if in_place:
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config['IN_PLACE'] = True
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alg = QgsApplication.instance().processingRegistry().createAlgorithmById(alg_id, config)
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if alg is not None:
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ok, message = alg.canExecute()
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if not ok:
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dlg = MessageDialog()
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dlg.setTitle(self.tr('Error executing algorithm'))
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dlg.setMessage(
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self.tr('<h3>This algorithm cannot '
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'be run :-( </h3>\n{0}').format(message))
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dlg.exec()
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return
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if as_batch:
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dlg = BatchAlgorithmDialog(alg, iface.mainWindow())
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dlg.show()
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dlg.exec()
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else:
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in_place_input_parameter_name = 'INPUT'
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if hasattr(alg, 'inputParameterName'):
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in_place_input_parameter_name = alg.inputParameterName()
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if in_place and not [d for d in alg.parameterDefinitions() if d.name() not in (in_place_input_parameter_name, 'OUTPUT')]:
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parameters = {}
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feedback = MessageBarProgress(algname=alg.displayName())
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ok, results = execute_in_place(alg, parameters, feedback=feedback)
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if ok:
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iface.messageBar().pushSuccess('', self.tr('{algname} completed. %n feature(s) processed.', n=results['__count']).format(algname=alg.displayName()))
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feedback.close()
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# MessageBarProgress handles errors
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return
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if alg.countVisibleParameters() > 0:
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dlg = alg.createCustomParametersWidget(parent)
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if not dlg:
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dlg = AlgorithmDialog(alg, in_place, iface.mainWindow())
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canvas = iface.mapCanvas()
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prevMapTool = canvas.mapTool()
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dlg.show()
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dlg.exec()
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if canvas.mapTool() != prevMapTool:
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try:
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canvas.mapTool().reset()
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except Exception:
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pass
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try:
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canvas.setMapTool(prevMapTool)
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except RuntimeError:
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pass
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else:
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feedback = MessageBarProgress(algname=alg.displayName())
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context = dataobjects.createContext(feedback)
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parameters = {}
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ret, results = execute(alg, parameters, context, feedback)
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handleAlgorithmResults(alg, context, feedback)
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feedback.close()
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def sync_in_place_button_state(self, layer=None):
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"""Synchronise the button state with layer state"""
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if layer is None:
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layer = self.iface.activeLayer()
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old_enabled_state = self.editInPlaceAction.isEnabled()
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new_enabled_state = layer is not None and layer.type() == QgsMapLayerType.VectorLayer
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self.editInPlaceAction.setEnabled(new_enabled_state)
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if new_enabled_state != old_enabled_state:
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self.toolbox.set_in_place_edit_mode(new_enabled_state and self.editInPlaceAction.isChecked())
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def openProcessingOptions(self):
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self.iface.showOptionsDialog(self.iface.mainWindow(), currentPage='processingOptions')
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def unload(self):
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for connection in self._gui_connections:
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self.disconnect(connection)
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self._gui_connections = []
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self.toolbox.setVisible(False)
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self.iface.removeDockWidget(self.toolbox)
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self.iface.attributesToolBar().removeAction(self.toolboxAction)
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self.resultsDock.setVisible(False)
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self.iface.removeDockWidget(self.resultsDock)
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self.toolbox.deleteLater()
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self.menu.deleteLater()
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# also delete temporary help files
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folder = tempHelpFolder()
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if QDir(folder).exists():
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shutil.rmtree(folder, True)
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self.iface.unregisterMainWindowAction(self.toolboxAction)
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self.iface.unregisterMainWindowAction(self.modelerAction)
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self.iface.unregisterMainWindowAction(self.historyAction)
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self.iface.unregisterMainWindowAction(self.resultsAction)
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self.iface.unregisterOptionsWidgetFactory(self.options_factory)
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self.iface.deregisterLocatorFilter(self.locator_filter)
|
|
self.iface.deregisterLocatorFilter(self.edit_features_locator_filter)
|
|
self.iface.unregisterCustomDropHandler(self.drop_handler)
|
|
QgsApplication.dataItemProviderRegistry().removeProvider(self.item_provider)
|
|
|
|
removeButtons()
|
|
removeMenus()
|
|
|
|
if self.projectMenuAction is not None:
|
|
self.iface.projectMenu().removeAction(self.projectMenuAction)
|
|
self.projectMenuAction = None
|
|
if self.projectMenuSeparator is not None:
|
|
self.iface.projectMenu().removeAction(self.projectMenuSeparator)
|
|
self.projectMenuSeparator = None
|
|
|
|
QgsGui.historyProviderRegistry().providerById('processing').executePython.disconnect(
|
|
self._execute_history_commands
|
|
)
|
|
QgsGui.historyProviderRegistry().providerById('processing').createTest.disconnect(
|
|
self.create_test
|
|
)
|
|
|
|
Processing.deinitialize()
|
|
|
|
def openToolbox(self, show):
|
|
self.toolbox.setUserVisible(show)
|
|
|
|
def toolboxVisibilityChanged(self, visible):
|
|
self.toolboxAction.setChecked(visible)
|
|
|
|
def openModeler(self):
|
|
dlg = ModelerDialog.create()
|
|
dlg.update_model.connect(self.updateModel)
|
|
dlg.show()
|
|
|
|
def updateModel(self):
|
|
model_provider = QgsApplication.processingRegistry().providerById('model')
|
|
model_provider.refreshAlgorithms()
|
|
|
|
def openResults(self):
|
|
if self.resultsDock.isVisible():
|
|
self.resultsDock.hide()
|
|
else:
|
|
self.resultsDock.show()
|
|
|
|
def openHistory(self):
|
|
dlg = QgsProcessingHistoryDialog(self.iface.mainWindow())
|
|
dlg.setAttribute(Qt.WidgetAttribute.WA_DeleteOnClose)
|
|
dlg.show()
|
|
|
|
def tr(self, message, disambiguation=None, n=-1):
|
|
return QCoreApplication.translate('ProcessingPlugin', message, disambiguation=disambiguation, n=n)
|
|
|
|
def editSelected(self, enabled):
|
|
self.toolbox.set_in_place_edit_mode(enabled)
|
|
|
|
def _execute_history_commands(self, commands: str):
|
|
"""
|
|
Executes Python commands from the history provider
|
|
"""
|
|
exec(commands)
|
|
|
|
def create_test(self, command: str):
|
|
"""
|
|
Starts the test creation process given a processing algorithm run command
|
|
"""
|
|
TestTools.createTest(command)
|