# -*- coding: utf-8 -*- """ *************************************************************************** PreconfiguredAlgorithmProvider.py --------------------- Date : April 2016 Copyright : (C) 2016 by Victor Olaya Email : volayaf at gmail dot com *************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * *************************************************************************** """ __author__ = 'Victor Olaya' __date__ = 'April 2016' __copyright__ = '(C) 2016, Victor Olaya' import os from qgis.core import QgsProcessingProvider from processing.preconfigured.PreconfiguredAlgorithm import PreconfiguredAlgorithm from processing.preconfigured.PreconfiguredUtils import preconfiguredAlgorithmsFolder from processing.preconfigured.NewPreconfiguredAlgorithmAction import NewPreconfiguredAlgorithmAction from processing.preconfigured.DeletePreconfiguredAlgorithmAction import DeletePreconfiguredAlgorithmAction from processing.gui.ProviderActions import ProviderContextMenuActions class PreconfiguredAlgorithmProvider(QgsProcessingProvider): def __init__(self): super().__init__() self.algs = [] self.contextMenuActions = \ [NewPreconfiguredAlgorithmAction(), DeletePreconfiguredAlgorithmAction()] def loadAlgorithms(self): self.algs = [] folder = preconfiguredAlgorithmsFolder() for path, subdirs, files in os.walk(folder): for descriptionFile in files: if descriptionFile.endswith('json'): fullpath = os.path.join(path, descriptionFile) alg = PreconfiguredAlgorithm(fullpath) self.algs.append(alg) for a in self.algs: self.addAlgorithm(a) def load(self): ProviderContextMenuActions.registerProviderContextMenuActions(self.contextMenuActions) self.refreshAlgorithms() return True def unload(self): ProviderContextMenuActions.deregisterProviderContextMenuActions(self.contextMenuActions) def id(self): return 'preconfigured' def name(self): return self.tr('Preconfigured algorithms', 'PreconfiguredAlgorithmProvider')