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154 lines
6.1 KiB
Python
154 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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RAlgorithmProvider.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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from builtins import str
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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.PyQt.QtCore import QCoreApplication
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from qgis.core import (QgsApplication,
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QgsProcessingProvider,
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QgsProcessingUtils,
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QgsMessageLog)
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from processing.core.ProcessingConfig import ProcessingConfig, Setting
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from processing.gui.EditScriptAction import EditScriptAction
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from processing.gui.DeleteScriptAction import DeleteScriptAction
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from processing.gui.CreateNewScriptAction import CreateNewScriptAction
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from processing.script.WrongScriptException import WrongScriptException
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from processing.gui.GetScriptsAndModels import GetRScriptsAction
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from processing.gui.ProviderActions import (ProviderActions,
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ProviderContextMenuActions)
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from processing.tools.system import isWindows
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from .RUtils import RUtils
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from .RAlgorithm import RAlgorithm
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pluginPath = os.path.normpath(os.path.join(
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os.path.split(os.path.dirname(__file__))[0], os.pardir))
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class RAlgorithmProvider(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.actions = []
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self.actions.append(CreateNewScriptAction(
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'Create new R script', CreateNewScriptAction.SCRIPT_R))
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self.actions.append(GetRScriptsAction())
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self.contextMenuActions = \
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[EditScriptAction(EditScriptAction.SCRIPT_R),
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DeleteScriptAction(DeleteScriptAction.SCRIPT_R)]
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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(), 'ACTIVATE_R',
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self.tr('Activate'), False))
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ProcessingConfig.addSetting(Setting(
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self.name(), RUtils.RSCRIPTS_FOLDER,
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self.tr('R Scripts folder'), RUtils.defaultRScriptsFolder(),
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valuetype=Setting.MULTIPLE_FOLDERS))
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if isWindows():
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ProcessingConfig.addSetting(Setting(
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self.name(),
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RUtils.R_FOLDER, self.tr('R folder'), RUtils.RFolder(),
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valuetype=Setting.FOLDER))
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ProcessingConfig.addSetting(Setting(
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self.name(),
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RUtils.R_LIBS_USER, self.tr('R user library folder'),
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RUtils.RLibs(), valuetype=Setting.FOLDER))
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ProcessingConfig.addSetting(Setting(
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self.name(),
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RUtils.R_USE64, self.tr('Use 64 bit version'), False))
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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('ACTIVATE_R')
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ProcessingConfig.removeSetting(RUtils.RSCRIPTS_FOLDER)
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if isWindows():
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ProcessingConfig.removeSetting(RUtils.R_FOLDER)
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ProcessingConfig.removeSetting(RUtils.R_LIBS_USER)
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ProcessingConfig.removeSetting(RUtils.R_USE64)
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ProviderActions.deregisterProviderActions(self)
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ProviderContextMenuActions.deregisterProviderContextMenuActions(self.contextMenuActions)
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def isActive(self):
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return ProcessingConfig.getSetting('ACTIVATE_R')
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def setActive(self, active):
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ProcessingConfig.setSettingValue('ACTIVATE_R', active)
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def icon(self):
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return QgsApplication.getThemeIcon("/providerR.svg")
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def svgIconPath(self):
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return QgsApplication.iconPath("providerR.svg")
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def name(self):
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return 'R scripts'
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def id(self):
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return 'r'
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def loadAlgorithms(self):
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folders = RUtils.RScriptsFolders()
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self.algs = []
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for f in folders:
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self.loadFromFolder(f)
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folder = os.path.join(os.path.dirname(__file__), 'scripts')
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self.loadFromFolder(folder)
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for a in self.algs:
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self.addAlgorithm(a)
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def loadFromFolder(self, folder):
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if not os.path.exists(folder):
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return
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for path, subdirs, files in os.walk(folder):
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for descriptionFile in files:
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if descriptionFile.endswith('rsx'):
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try:
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fullpath = os.path.join(path, descriptionFile)
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alg = RAlgorithm(fullpath)
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if alg.name().strip() != '':
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self.algs.append(alg)
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except WrongScriptException as e:
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QgsMessageLog.logMessage(e.msg, self.tr('Processing'), QgsMessageLog.CRITICAL)
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except Exception as e:
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QgsMessageLog.logMessage(
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self.tr('Could not load R script: {0}\n{1}').format(descriptionFile, str(e)),
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self.tr('Processing'), QgsMessageLog.CRITICAL)
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return
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def tr(self, string, context=''):
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if context == '':
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context = 'RAlgorithmProvider'
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return QCoreApplication.translate(context, string)
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