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# -*- coding: utf-8 -*-
"""
***************************************************************************
PreconfiguredAlgorithm.py
---------------------
Date : April 2016
Copyright : (C) 2016 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 2016'
__copyright__ = '(C) 2016, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.core.alglist import algList
import json
class PreconfiguredAlgorithm(GeoAlgorithm):
def __init__(self, descriptionFile):
self.descriptionFile = descriptionFile
with open(self.descriptionFile) as f:
self.description = json.load(f)
GeoAlgorithm.__init__(self)
def getCopy(self):
newone = PreconfiguredAlgorithm(self.descriptionFile)
newone.outputs = []
newone.provider = self.provider
newone.name = self.name
newone.group = self.group
return newone
def commandLineName(self):
return 'preconfigured:' + os.path.splitext(os.path.basename(self.descriptionFile))[0].lower()
def defineCharacteristics(self):
self.name = self.description["name"]
self.group = self.description["group"]
self.canRunInBatchMode = False
self.showInModeler = False
def execute(self, progress):
self.alg = algList.getAlgorithm(self.description["algname"]).getCopy()
for name, value in self.description["parameters"].iteritems():
self.alg.setParameterValue(name, value)
for name, value in self.description["outputs"].iteritems():
self.alg.setOutputValue(name, value)
self.alg.execute(progress)
self.outputs = self.alg.outputs
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