mirror of
				https://github.com/qgis/QGIS.git
				synced 2025-11-04 00:04:25 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			107 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# -*- coding: utf-8 -*-
 | 
						|
 | 
						|
"""
 | 
						|
***************************************************************************
 | 
						|
    GrassAlgorithmProvider.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.                                   *
 | 
						|
*                                                                         *
 | 
						|
***************************************************************************
 | 
						|
"""
 | 
						|
 | 
						|
from processing.grass.nviz import nviz
 | 
						|
 | 
						|
__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 PyQt4.QtCore import *
 | 
						|
from PyQt4.QtGui import *
 | 
						|
from processing.core.ProcessingConfig import ProcessingConfig, Setting
 | 
						|
from processing.core.AlgorithmProvider import AlgorithmProvider
 | 
						|
from processing.core.ProcessingLog import ProcessingLog
 | 
						|
from processing.grass.GrassUtils import GrassUtils
 | 
						|
from processing.grass.GrassAlgorithm import GrassAlgorithm
 | 
						|
from processing.tools.system import *
 | 
						|
 | 
						|
 | 
						|
class GrassAlgorithmProvider(AlgorithmProvider):
 | 
						|
 | 
						|
    def __init__(self):
 | 
						|
        AlgorithmProvider.__init__(self)
 | 
						|
        self.createAlgsList()  # Preloading algorithms to speed up
 | 
						|
 | 
						|
    def initializeSettings(self):
 | 
						|
        AlgorithmProvider.initializeSettings(self)
 | 
						|
        if isWindows() or isMac():
 | 
						|
            ProcessingConfig.addSetting(Setting(self.getDescription(),
 | 
						|
                    GrassUtils.GRASS_FOLDER, 'GRASS folder',
 | 
						|
                    GrassUtils.grassPath()))
 | 
						|
            ProcessingConfig.addSetting(Setting(self.getDescription(),
 | 
						|
                    GrassUtils.GRASS_WIN_SHELL, 'Msys folder',
 | 
						|
                    GrassUtils.grassWinShell()))
 | 
						|
        ProcessingConfig.addSetting(Setting(self.getDescription(),
 | 
						|
                                    GrassUtils.GRASS_LOG_COMMANDS,
 | 
						|
                                    'Log execution commands', False))
 | 
						|
        ProcessingConfig.addSetting(Setting(self.getDescription(),
 | 
						|
                                    GrassUtils.GRASS_LOG_CONSOLE,
 | 
						|
                                    'Log console output', False))
 | 
						|
 | 
						|
    def unload(self):
 | 
						|
        AlgorithmProvider.unload(self)
 | 
						|
        if isWindows() or isMac():
 | 
						|
            ProcessingConfig.removeSetting(GrassUtils.GRASS_FOLDER)
 | 
						|
            ProcessingConfig.removeSetting(GrassUtils.GRASS_WIN_SHELL)
 | 
						|
        ProcessingConfig.removeSetting(GrassUtils.GRASS_LOG_COMMANDS)
 | 
						|
        ProcessingConfig.removeSetting(GrassUtils.GRASS_LOG_CONSOLE)
 | 
						|
 | 
						|
    def createAlgsList(self):
 | 
						|
        self.preloadedAlgs = []
 | 
						|
        folder = GrassUtils.grassDescriptionPath()
 | 
						|
        for descriptionFile in os.listdir(folder):
 | 
						|
            if descriptionFile.endswith('txt'):
 | 
						|
                try:
 | 
						|
                    alg = GrassAlgorithm(os.path.join(folder, descriptionFile))
 | 
						|
                    if alg.name.strip() != '':
 | 
						|
                        self.preloadedAlgs.append(alg)
 | 
						|
                    else:
 | 
						|
                        ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
 | 
						|
                                'Could not open GRASS algorithm: '
 | 
						|
                                + descriptionFile)
 | 
						|
                except Exception, e:
 | 
						|
                    ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
 | 
						|
                            'Could not open GRASS algorithm: '
 | 
						|
                            + descriptionFile)
 | 
						|
        self.preloadedAlgs.append(nviz())
 | 
						|
 | 
						|
    def _loadAlgorithms(self):
 | 
						|
        self.algs = self.preloadedAlgs
 | 
						|
 | 
						|
    def getDescription(self):
 | 
						|
        return 'GRASS commands'
 | 
						|
 | 
						|
    def getName(self):
 | 
						|
        return 'grass'
 | 
						|
 | 
						|
    def getIcon(self):
 | 
						|
        return QIcon(os.path.dirname(__file__) + '/../images/grass.png')
 | 
						|
 | 
						|
    def getSupportedOutputVectorLayerExtensions(self):
 | 
						|
        return ['shp']
 | 
						|
 | 
						|
    def getSupportedOutputRasterLayerExtensions(self):
 | 
						|
        return ['tif']
 |