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124 lines
5.1 KiB
Python
124 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SagaAlgorithmProvider.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.QtGui import QIcon
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from processing.core.AlgorithmProvider import AlgorithmProvider
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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 processing.tools.system import isWindows, isMac
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from .SagaAlgorithm import SagaAlgorithm
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from .SplitRGBBands import SplitRGBBands
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from . import SagaUtils
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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 SagaAlgorithmProvider(AlgorithmProvider):
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def __init__(self):
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super().__init__()
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self.activate = True
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def initializeSettings(self):
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if (isWindows() or isMac()):
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ProcessingConfig.addSetting(Setting("SAGA",
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SagaUtils.SAGA_FOLDER, self.tr('SAGA folder'),
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'',
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valuetype=Setting.FOLDER))
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ProcessingConfig.addSetting(Setting("SAGA",
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SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION,
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self.tr('Enable SAGA Import/Export optimizations'), False))
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ProcessingConfig.addSetting(Setting("SAGA",
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SagaUtils.SAGA_LOG_COMMANDS,
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self.tr('Log execution commands'), True))
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ProcessingConfig.addSetting(Setting("SAGA",
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SagaUtils.SAGA_LOG_CONSOLE,
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self.tr('Log console output'), True))
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ProcessingConfig.settingIcons["SAGA"] = self.icon()
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ProcessingConfig.addSetting(Setting("SAGA", "ACTIVATE_SAGA",
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self.tr('Activate'), self.activate))
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def unload(self):
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AlgorithmProvider.unload(self)
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if (isWindows() or isMac()):
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ProcessingConfig.removeSetting(SagaUtils.SAGA_FOLDER)
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ProcessingConfig.removeSetting(SagaUtils.SAGA_LOG_CONSOLE)
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ProcessingConfig.removeSetting(SagaUtils.SAGA_LOG_COMMANDS)
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def _loadAlgorithms(self):
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self.algs = []
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version = SagaUtils.getInstalledVersion(True)
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if version is None:
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ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
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self.tr('Problem with SAGA installation: SAGA was not found or is not correctly installed'))
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return
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if not version.startswith('2.3.'):
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ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
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self.tr('Problem with SAGA installation: unsupported SAGA version found.'))
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return
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folder = SagaUtils.sagaDescriptionPath()
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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 = SagaAlgorithm(os.path.join(folder, descriptionFile))
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if alg.name.strip() != '':
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self.algs.append(alg)
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else:
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ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
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self.tr('Could not open SAGA algorithm: {}'.format(descriptionFile)))
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except Exception as e:
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ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
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self.tr('Could not open SAGA algorithm: {}\n{}'.format(descriptionFile, str(e))))
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self.algs.append(SplitRGBBands())
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def name(self):
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version = SagaUtils.getInstalledVersion()
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return 'SAGA ({})'.format(version) if version is not None else 'SAGA'
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def id(self):
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return 'saga'
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def getSupportedOutputVectorLayerExtensions(self):
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return ['shp']
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def getSupportedOutputRasterLayerExtensions(self):
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return ['sdat']
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def getSupportedOutputTableLayerExtensions(self):
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return ['dbf']
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def icon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'saga.png'))
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