QGIS/python/plugins/processing/r/RAlgorithmProvider.py
2013-09-15 14:30:58 +03:00

104 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
RAlgorithmProvider.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.path
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from processing.core.ProcessingConfig import ProcessingConfig, Setting
from processing.core.ProcessingLog import ProcessingLog
from processing.core.AlgorithmProvider import AlgorithmProvider
from processing.core.ProcessingUtils import ProcessingUtils
from processing.gui.EditScriptAction import EditScriptAction
from processing.gui.DeleteScriptAction import DeleteScriptAction
from processing.gui.CreateNewScriptAction import CreateNewScriptAction
p
from processing.r.RUtils import RUtils
from processing.r.RAlgorithm import RAlgorithm
from processing.script.WrongScriptException import WrongScriptException
from processing.tools.system import *
import processing.resources_rc
class RAlgorithmProvider(AlgorithmProvider):
def __init__(self):
AlgorithmProvider.__init__(self)
self.activate = False
#self.actions.append(CreateNewScriptAction("Create new R script", CreateNewScriptAction.SCRIPT_R))
self.contextMenuActions = [EditScriptAction(EditScriptAction.SCRIPT_R),
DeleteScriptAction(DeleteScriptAction.SCRIPT_R)
]
def initializeSettings(self):
AlgorithmProvider.initializeSettings(self)
ProcessingConfig.addSetting(Setting(self.getDescription(), RUtils.RSCRIPTS_FOLDER, "R Scripts folder", RUtils.RScriptsFolder()))
if isWindows():
ProcessingConfig.addSetting(Setting(self.getDescription(), RUtils.R_FOLDER, "R folder", RUtils.RFolder()))
ProcessingConfig.addSetting(Setting(self.getDescription(), RUtils.R_USE64, "Use 64 bit version", False))
def unload(self):
AlgorithmProvider.unload(self)
ProcessingConfig.removeSetting(RUtils.RSCRIPTS_FOLDER)
if isWindows():
ProcessingConfig.removeSetting(RUtils.R_FOLDER)
ProcessingConfig.removeSetting(RUtils.R_USE64)
def getIcon(self):
return QIcon(":/processing/images/r.png")
def getDescription(self):
return "R scripts"
def getName(self):
return "r"
def _loadAlgorithms(self):
folder = RUtils.RScriptsFolder()
self.loadFromFolder(folder)
folder = os.path.join(os.path.dirname(__file__), "scripts")
self.loadFromFolder(folder)
def loadFromFolder(self, folder):
if not os.path.exists(folder):
return
for descriptionFile in os.listdir(folder):
if descriptionFile.endswith("rsx"):
try:
fullpath = os.path.join(folder, descriptionFile)
alg = RAlgorithm(fullpath)
if alg.name.strip() != "":
self.algs.append(alg)
except WrongScriptException, e:
ProcessingLog.addToLog(SextanteLog.LOG_ERROR, e.msg)
except Exception, e:
ProcessingLog.addToLog(SextanteLog.LOG_ERROR, "Could not load R script:" + descriptionFile + "\n" + unicode(e))