QGIS/python/plugins/processing/algs/grass7/Grass7AlgorithmProvider.py

108 lines
4.2 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
Grass7AlgorithmProvider.py
---------------------
Date : April 2014
Copyright : (C) 2014 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__ = 'April 2014'
__copyright__ = '(C) 2014, 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 Grass7Utils import Grass7Utils
from Grass7Algorithm import Grass7Algorithm
from processing.tools.system import *
from nviz7 import nviz7
class Grass7AlgorithmProvider(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(),
Grass7Utils.GRASS_FOLDER, 'GRASS7 folder',
Grass7Utils.grassPath()))
ProcessingConfig.addSetting(Setting(self.getDescription(),
Grass7Utils.GRASS_WIN_SHELL, 'Msys folder',
Grass7Utils.grassWinShell()))
ProcessingConfig.addSetting(Setting(self.getDescription(),
Grass7Utils.GRASS_LOG_COMMANDS,
'Log execution commands', False))
ProcessingConfig.addSetting(Setting(self.getDescription(),
Grass7Utils.GRASS_LOG_CONSOLE,
'Log console output', False))
def unload(self):
AlgorithmProvider.unload(self)
if isWindows() or isMac():
ProcessingConfig.removeSetting(Grass7Utils.GRASS_FOLDER)
ProcessingConfig.removeSetting(Grass7Utils.GRASS_WIN_SHELL)
ProcessingConfig.removeSetting(Grass7Utils.GRASS_LOG_COMMANDS)
ProcessingConfig.removeSetting(Grass7Utils.GRASS_LOG_CONSOLE)
def createAlgsList(self):
self.preloadedAlgs = []
folder = Grass7Utils.grassDescriptionPath()
for descriptionFile in os.listdir(folder):
if descriptionFile.endswith('txt'):
try:
alg = Grass7Algorithm(os.path.join(folder, descriptionFile))
if alg.name.strip() != '':
self.preloadedAlgs.append(alg)
else:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
'Could not open GRASS GIS 7 algorithm: '
+ descriptionFile)
except Exception, e:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
'Could not open GRASS GIS 7 algorithm: '
+ descriptionFile)
self.preloadedAlgs.append(nviz7())
def _loadAlgorithms(self):
self.algs = self.preloadedAlgs
def getDescription(self):
return 'GRASS GIS 7 commands'
def getName(self):
return 'grass70'
def getIcon(self):
return QIcon(os.path.dirname(__file__) + '/../../images/grass.png')
def getSupportedOutputVectorLayerExtensions(self):
return ['shp']
def getSupportedOutputRasterLayerExtensions(self):
return ['tif']