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# -*- coding: utf-8 -*-
"""
***************************************************************************
SagaAlgorithmProvider.py
---------------------
Date : August 2012
Copyright : (C) 2012 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__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from qgis.PyQt.QtGui import QIcon
from processing.core.AlgorithmProvider import AlgorithmProvider
from processing.core.ProcessingConfig import ProcessingConfig, Setting
from processing.core.ProcessingLog import ProcessingLog
from SagaAlgorithm import SagaAlgorithm
from .SplitRGBBands import SplitRGBBands
from . import SagaUtils
from processing.tools.system import isWindows, isMac
pluginPath = os.path.normpath(os.path.join(
os.path.split(os.path.dirname(__file__))[0], os.pardir))
class SagaAlgorithmProvider(AlgorithmProvider):
def __init__(self):
AlgorithmProvider.__init__(self)
self.activate = True
def initializeSettings(self):
ProcessingConfig.addSetting(Setting("SAGA",
SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION,
self.tr('Enable SAGA Import/Export optimizations'), False))
ProcessingConfig.addSetting(Setting("SAGA",
SagaUtils.SAGA_LOG_COMMANDS,
self.tr('Log execution commands'), True))
ProcessingConfig.addSetting(Setting("SAGA",
SagaUtils.SAGA_LOG_CONSOLE,
self.tr('Log console output'), True))
ProcessingConfig.settingIcons["SAGA"] = self.getIcon()
ProcessingConfig.addSetting(Setting("SAGA", "ACTIVATE_SAGA",
self.tr('Activate'), self.activate))
def unload(self):
AlgorithmProvider.unload(self)
ProcessingConfig.removeSetting(SagaUtils.SAGA_LOG_CONSOLE)
ProcessingConfig.removeSetting(SagaUtils.SAGA_LOG_COMMANDS)
def _loadAlgorithms(self):
self.algs = []
version = SagaUtils.getSagaInstalledVersion(True)
if version is None:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
self.tr('Problem with SAGA installation: SAGA was not found or is not correctly installed'))
return
if not version.startswith('2.3.'):
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
self.tr('Problem with SAGA installation: unsupported SAGA version found.'))
return
folder = SagaUtils.sagaDescriptionPath()
for descriptionFile in os.listdir(folder):
if descriptionFile.endswith('txt'):
f = os.path.join(folder, descriptionFile)
try:
alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
if alg.name.strip() != '':
self.algs.append(alg)
else:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
self.tr('Could not open SAGA algorithm: {}'.format(descriptionFile)))
except Exception as e:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
self.tr('Could not open SAGA algorithm: {}\n{}'.format(descriptionFile, str(e))))
self.algs.append(SplitRGBBands())
def getDescription(self):
version = SagaUtils.getSagaInstalledVersion()
return 'SAGA (%s)' % version if version is not None else 'SAGA'
def getName(self):
return 'saga'
def getSupportedOutputVectorLayerExtensions(self):
return ['shp']
def getSupportedOutputRasterLayerExtensions(self):
return ['sdat']
def getSupportedOutputTableLayerExtensions(self):
return ['dbf']
def getIcon(self):
return QIcon(os.path.join(pluginPath, 'images', 'saga.png'))
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