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dca697b427
Intended as a registry for the various processing components, including providers, algorithms and various parameters and outputs. Currently handles only registration of providers, as a step toward removing processing's algList (this requires first porting the algorithm class to c++) A QgsProcessingRegistry instance is attached to QgsApplication, and is retrieved by QgsApplication::processingRegistry()
242 lines
11 KiB
Python
242 lines
11 KiB
Python
import os
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from qgis.PyQt.QtCore import QCoreApplication
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from qgis.PyQt.QtWidgets import QAction, QMenu
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from qgis.PyQt.QtGui import QIcon
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from qgis.PyQt.QtWidgets import QApplication
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from processing.core.alglist import algList
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from processing.core.ProcessingConfig import ProcessingConfig, Setting
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from processing.gui.MessageDialog import MessageDialog
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from processing.gui.AlgorithmDialog import AlgorithmDialog
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from qgis.utils import iface
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from qgis.core import QgsApplication
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from processing.gui.MessageBarProgress import MessageBarProgress
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from processing.gui.AlgorithmExecutor import runalg
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from processing.gui.Postprocessing import handleAlgorithmResults
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from processing.core.Processing import Processing
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algorithmsToolbar = None
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menusSettingsGroup = 'Menus'
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defaultMenuEntries = {}
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vectorMenu = QApplication.translate('MainWindow', 'Vect&or')
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analysisToolsMenu = vectorMenu + "/" + Processing.tr('&Analysis Tools')
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defaultMenuEntries.update({'qgis:distancematrix': analysisToolsMenu,
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'qgis:sumlinelengths': analysisToolsMenu,
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'qgis:pointsinpolygon': analysisToolsMenu,
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'qgis:countpointsinpolygon': analysisToolsMenu,
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'qgis:listuniquevalues': analysisToolsMenu,
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'qgis:basicstatisticsforfields': analysisToolsMenu,
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'qgis:nearestneighbouranalysis': analysisToolsMenu,
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'qgis:meancoordinates': analysisToolsMenu,
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'qgis:lineintersecions': analysisToolsMenu})
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researchToolsMenu = vectorMenu + "/" + Processing.tr('&Research Tools')
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defaultMenuEntries.update({'qgis:randomselection': researchToolsMenu,
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'qgis:randomselectionwithinsubsets': researchToolsMenu,
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'qgis:randompointsinextent': researchToolsMenu,
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'qgis:randompointsinlayerbounds': researchToolsMenu,
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'qgis:randompointsinsidepolygonsfixed': researchToolsMenu,
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'qgis:randompointsinsidepolygonsvariable': researchToolsMenu,
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'qgis:regularpoints': researchToolsMenu,
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'qgis:vectorgrid': researchToolsMenu,
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'qgis:selectbylocation': researchToolsMenu,
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'qgis:polygonfromlayerextent': researchToolsMenu})
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geoprocessingToolsMenu = vectorMenu + "/" + Processing.tr('&Geoprocessing Tools')
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defaultMenuEntries.update({'qgis:convexhull': geoprocessingToolsMenu,
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'qgis:fixeddistancebuffer': geoprocessingToolsMenu,
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'qgis:variabledistancebuffer': geoprocessingToolsMenu,
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'qgis:intersection': geoprocessingToolsMenu,
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'qgis:union': geoprocessingToolsMenu,
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'qgis:symmetricaldifference': geoprocessingToolsMenu,
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'qgis:clip': geoprocessingToolsMenu,
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'qgis:difference': geoprocessingToolsMenu,
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'qgis:dissolve': geoprocessingToolsMenu,
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'qgis:eliminatesliverpolygons': geoprocessingToolsMenu})
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geometryToolsMenu = vectorMenu + "/" + Processing.tr('G&eometry Tools')
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defaultMenuEntries.update({'qgis:checkvalidity': geometryToolsMenu,
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'qgis:exportaddgeometrycolumns': geometryToolsMenu,
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'qgis:centroids': geometryToolsMenu,
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'qgis:delaunaytriangulation': geometryToolsMenu,
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'qgis:voronoipolygons': geometryToolsMenu,
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'qgis:simplifygeometries': geometryToolsMenu,
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'qgis:densifygeometries': geometryToolsMenu,
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'qgis:multiparttosingleparts': geometryToolsMenu,
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'qgis:singlepartstomultipart': geometryToolsMenu,
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'qgis:polygonstolines': geometryToolsMenu,
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'qgis:linestopolygons': geometryToolsMenu,
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'qgis:extractnodes': geometryToolsMenu})
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managementToolsMenu = vectorMenu + "/" + Processing.tr('&Data Management Tools')
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defaultMenuEntries.update({'qgis:definecurrentprojection': managementToolsMenu,
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'qgis:joinattributesbylocation': managementToolsMenu,
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'qgis:splitvectorlayer': managementToolsMenu,
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'qgis:mergevectorlayers': managementToolsMenu,
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'qgis:createspatialindex': managementToolsMenu})
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rasterMenu = Processing.tr('&Raster')
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projectionsMenu = rasterMenu + "/" + Processing.tr('Projections')
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defaultMenuEntries.update({'gdal:warpreproject': projectionsMenu,
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'gdal:assignprojection': projectionsMenu,
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'gdal:extractprojection': projectionsMenu})
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conversionMenu = rasterMenu + "/" + Processing.tr('Conversion')
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defaultMenuEntries.update({'gdal:rasterize': conversionMenu,
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'gdal:rasterize_over': conversionMenu,
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'gdal:polygonize': conversionMenu,
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'gdal:translate': conversionMenu,
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'gdal:rgbtopct': conversionMenu,
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'gdal:pcttorgb': conversionMenu})
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extractionMenu = rasterMenu + "/" + Processing.tr('Extraction')
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defaultMenuEntries.update({'gdal:contour': extractionMenu,
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'gdal:cliprasterbyextent': extractionMenu,
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'gdal:cliprasterbymasklayer': extractionMenu})
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analysisMenu = rasterMenu + "/" + Processing.tr('Analysis')
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defaultMenuEntries.update({'gdal:sieve': analysisMenu,
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'gdal:nearblack': analysisMenu,
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'gdal:fillnodata': analysisMenu,
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'gdal:proximity': analysisMenu,
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'gdal:griddatametrics': analysisMenu,
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'gdal:gridaverage': analysisMenu,
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'gdal:gridinvdist': analysisMenu,
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'gdal:gridnearestneighbor': analysisMenu,
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'gdal:aspect': analysisMenu,
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'gdal:hillshade': analysisMenu,
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'gdal:roughness': analysisMenu,
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'gdal:slope': analysisMenu,
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'gdal:tpi': analysisMenu,
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'gdal:tri': analysisMenu})
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miscMenu = rasterMenu + "/" + Processing.tr('Miscellaneous')
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defaultMenuEntries.update({'gdal:buildvirtualraster': miscMenu,
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'gdal:merge': miscMenu,
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'gdal:rasterinfo': miscMenu,
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'gdal:overviews': miscMenu,
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'gdal:tileindex': miscMenu})
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def initializeMenus():
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for provider in QgsApplication.processingRegistry().providers():
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for alg in provider.algs:
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d = defaultMenuEntries.get(alg.commandLineName(), "")
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setting = Setting(menusSettingsGroup, "MENU_" + alg.commandLineName(),
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"Menu path", d)
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ProcessingConfig.addSetting(setting)
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setting = Setting(menusSettingsGroup, "BUTTON_" + alg.commandLineName(),
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"Add button", False)
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ProcessingConfig.addSetting(setting)
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setting = Setting(menusSettingsGroup, "ICON_" + alg.commandLineName(),
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"Icon", "", valuetype=Setting.FILE)
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ProcessingConfig.addSetting(setting)
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ProcessingConfig.readSettings()
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def updateMenus():
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removeMenus()
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QCoreApplication.processEvents()
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createMenus()
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def createMenus():
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for provider in list(algList.algs.values()):
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for alg in list(provider.values()):
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menuPath = ProcessingConfig.getSetting("MENU_" + alg.commandLineName())
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addButton = ProcessingConfig.getSetting("BUTTON_" + alg.commandLineName())
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icon = ProcessingConfig.getSetting("ICON_" + alg.commandLineName())
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if icon and os.path.exists(icon):
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icon = QIcon(icon)
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else:
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icon = None
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if menuPath:
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paths = menuPath.split("/")
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addAlgorithmEntry(alg, paths[0], paths[-1], addButton=addButton, icon=icon)
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def removeMenus():
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for provider in list(algList.algs.values()):
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for alg in list(provider.values()):
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menuPath = ProcessingConfig.getSetting("MENU_" + alg.commandLineName())
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if menuPath:
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paths = menuPath.split("/")
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removeAlgorithmEntry(alg, paths[0], paths[-1])
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def addAlgorithmEntry(alg, menuName, submenuName, actionText=None, icon=None, addButton=False):
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action = QAction(icon or alg.getIcon(), actionText or alg.i18n_name or alg.name, iface.mainWindow())
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action.triggered.connect(lambda: _executeAlgorithm(alg))
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action.setObjectName("mProcessingUserMenu_%s" % alg.commandLineName())
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if menuName:
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menu = getMenu(menuName, iface.mainWindow().menuBar())
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submenu = getMenu(submenuName, menu)
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submenu.addAction(action)
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if addButton:
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global algorithmsToolbar
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if algorithmsToolbar is None:
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algorithmsToolbar = iface.addToolBar('ProcessingAlgorithms')
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algorithmsToolbar.addAction(action)
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def removeAlgorithmEntry(alg, menuName, submenuName, actionText=None, delButton=True):
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if menuName:
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menu = getMenu(menuName, iface.mainWindow().menuBar())
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subMenu = getMenu(submenuName, menu)
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action = findAction(subMenu.actions(), alg, actionText)
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if action is not None:
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subMenu.removeAction(action)
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if len(subMenu.actions()) == 0:
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subMenu.deleteLater()
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if delButton:
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global algorithmsToolbar
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if algorithmsToolbar is not None:
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action = findAction(algorithmsToolbar.actions(), alg, actionText)
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if action is not None:
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algorithmsToolbar.removeAction(action)
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def _executeAlgorithm(alg):
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message = alg.checkBeforeOpeningParametersDialog()
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if message:
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dlg = MessageDialog()
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dlg.setTitle(Processing.tr('Missing dependency'))
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dlg.setMessage(
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Processing.tr('<h3>Missing dependency. This algorithm cannot '
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'be run :-( </h3>\n%s') % message)
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dlg.exec_()
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return
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alg = alg.getCopy()
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if (alg.getVisibleParametersCount() + alg.getVisibleOutputsCount()) > 0:
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dlg = alg.getCustomParametersDialog()
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if not dlg:
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dlg = AlgorithmDialog(alg)
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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:
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pass
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canvas.setMapTool(prevMapTool)
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else:
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progress = MessageBarProgress()
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runalg(alg, progress)
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handleAlgorithmResults(alg, progress)
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progress.close()
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def getMenu(name, parent):
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menus = [c for c in parent.children() if isinstance(c, QMenu) and c.title() == name]
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if menus:
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return menus[0]
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else:
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return parent.addMenu(name)
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def findAction(actions, alg, actionText=None):
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for action in actions:
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if action.text() in [actionText, alg.i18n_name, alg.name]:
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return action
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return None
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