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136 lines
5.1 KiB
Python
136 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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Grass7AlgorithmProvider.py
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---------------------
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Date : April 2014
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Copyright : (C) 2014 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__ = 'April 2014'
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__copyright__ = '(C) 2014, 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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from processing.core.ProcessingConfig import ProcessingConfig, Setting
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from processing.core.ProcessingLog import ProcessingLog
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from .Grass7Utils import Grass7Utils
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from .Grass7Algorithm import Grass7Algorithm
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from processing.tools.system import isWindows, isMac
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from .nviz7 import nviz7
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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 Grass7AlgorithmProvider(QgsProcessingProvider):
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def __init__(self):
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super().__init__()
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self.algs = []
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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_GRASS7',
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self.tr('Activate'), True))
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if isWindows() or isMac():
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ProcessingConfig.addSetting(Setting(
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self.name(),
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Grass7Utils.GRASS_FOLDER, self.tr('GRASS7 folder'),
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Grass7Utils.grassPath(), valuetype=Setting.FOLDER))
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ProcessingConfig.addSetting(Setting(
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self.name(),
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Grass7Utils.GRASS_LOG_COMMANDS,
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self.tr('Log execution commands'), False))
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ProcessingConfig.addSetting(Setting(
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self.name(),
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Grass7Utils.GRASS_LOG_CONSOLE,
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self.tr('Log console output'), False))
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ProcessingConfig.addSetting(Setting(
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self.name(),
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Grass7Utils.GRASS_HELP_PATH,
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self.tr('Location of GRASS docs'),
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Grass7Utils.grassHelpPath()))
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return True
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def unload(self):
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ProcessingConfig.removeSetting('ACTIVATE_GRASS7')
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if isWindows() or isMac():
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ProcessingConfig.removeSetting(Grass7Utils.GRASS_FOLDER)
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ProcessingConfig.removeSetting(Grass7Utils.GRASS_LOG_COMMANDS)
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ProcessingConfig.removeSetting(Grass7Utils.GRASS_LOG_CONSOLE)
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ProcessingConfig.removeSetting(Grass7Utils.GRASS_HELP_PATH)
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def isActive(self):
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return ProcessingConfig.getSetting('ACTIVATE_GRASS7')
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def setActive(self, active):
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ProcessingConfig.setSettingValue('ACTIVATE_GRASS7', active)
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def createAlgsList(self):
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algs = []
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folder = Grass7Utils.grassDescriptionPath()
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for descriptionFile in os.listdir(folder):
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if descriptionFile.endswith('txt'):
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try:
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alg = Grass7Algorithm(os.path.join(folder, descriptionFile))
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if alg.name().strip() != '':
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algs.append(alg)
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else:
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ProcessingLog.addToLog(
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ProcessingLog.LOG_ERROR,
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self.tr('Could not open GRASS GIS 7 algorithm: {0}').format(descriptionFile))
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except Exception as e:
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ProcessingLog.addToLog(
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ProcessingLog.LOG_ERROR,
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self.tr('Could not open GRASS GIS 7 algorithm: {0}\n{1}').format(descriptionFile, str(e)))
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algs.append(nviz7())
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return algs
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def loadAlgorithms(self):
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self.algs = self.createAlgsList()
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for a in self.algs:
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self.addAlgorithm(a)
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def name(self):
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version = Grass7Utils.installedVersion()
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return 'GRASS GIS ({})'.format(version) if version is not None else "GRASS GIS"
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def id(self):
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return 'grass7'
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def icon(self):
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return QgsApplication.getThemeIcon("/providerGrass.svg")
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def svgIconPath(self):
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return QgsApplication.iconPath("providerGrass.svg")
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def supportedOutputVectorLayerExtensions(self):
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return ['shp']
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def canBeActivated(self):
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return not bool(Grass7Utils.checkGrass7IsInstalled())
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def tr(self, string, context=''):
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if context == '':
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context = 'Grass7AlgorithmProvider'
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return QCoreApplication.translate(context, string)
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