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113 lines
4.3 KiB
Python
113 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ScriptAlgorithmProvider.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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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from qgis.core import (QgsApplication,
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QgsProcessingProvider)
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from processing.core.ProcessingConfig import ProcessingConfig, Setting
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from processing.gui.ProviderActions import (ProviderActions,
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ProviderContextMenuActions)
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from processing.script.AddScriptFromFileAction import AddScriptFromFileAction
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from processing.script.CreateNewScriptAction import CreateNewScriptAction
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from processing.script.DeleteScriptAction import DeleteScriptAction
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from processing.script.EditScriptAction import EditScriptAction
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from processing.script import ScriptUtils
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class ScriptAlgorithmProvider(QgsProcessingProvider):
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def __init__(self):
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super().__init__()
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self.algs = []
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self.folder_algorithms = []
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self.actions = [CreateNewScriptAction(),
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AddScriptFromFileAction(),
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]
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self.contextMenuActions = [EditScriptAction(),
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DeleteScriptAction()]
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def load(self):
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ProcessingConfig.settingIcons[self.name()] = self.icon()
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ProcessingConfig.addSetting(Setting(self.name(),
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ScriptUtils.SCRIPTS_FOLDERS,
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self.tr("Scripts folder(s)"),
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ScriptUtils.defaultScriptsFolder(),
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valuetype=Setting.MULTIPLE_FOLDERS))
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ProviderActions.registerProviderActions(self, self.actions)
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ProviderContextMenuActions.registerProviderContextMenuActions(self.contextMenuActions)
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ProcessingConfig.readSettings()
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self.refreshAlgorithms()
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return True
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def unload(self):
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ProcessingConfig.removeSetting(ScriptUtils.SCRIPTS_FOLDERS)
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ProviderActions.deregisterProviderActions(self)
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ProviderContextMenuActions.deregisterProviderContextMenuActions(self.contextMenuActions)
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def icon(self):
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return QgsApplication.getThemeIcon("/processingScript.svg")
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def svgIconPath(self):
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return QgsApplication.iconPath("processingScript.svg")
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def id(self):
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return "script"
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def name(self):
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return self.tr("Scripts")
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def supportsNonFileBasedOutput(self):
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# TODO - this may not be strictly true. We probably need a way for scripts
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# to indicate whether individual outputs support non-file based outputs,
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# but for now allow it. At best we expose nice features to users, at worst
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# they'll get an error if they use them with incompatible outputs...
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return True
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def loadAlgorithms(self):
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self.algs = []
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folders = ScriptUtils.scriptsFolders()
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for folder in folders:
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items = os.scandir(folder)
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for entry in items:
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if entry.name.lower().endswith(".py") and entry.is_file():
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moduleName = os.path.splitext(entry.name)[0]
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filePath = os.path.abspath(os.path.join(folder, entry.name))
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alg = ScriptUtils.loadAlgorithm(moduleName, filePath)
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if alg is not None:
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self.algs.append(alg)
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for a in self.algs:
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self.addAlgorithm(a)
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