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"""
***************************************************************************
r_reclass.py
------------
Date : February 2016
Copyright : (C) 2016 by Médéric Ribreux
Email : medspx at medspx dot fr
***************************************************************************
* *
* 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__ = "Médéric Ribreux"
__date__ = "February 2016"
__copyright__ = "(C) 2016, Médéric Ribreux"
from processing.tools.system import getTempFilename
def checkParameterValuesBeforeExecuting(alg, parameters, context):
"""Verify if we have the right parameters"""
if alg.parameterAsString(parameters, "rules", context) and alg.parameterAsString(
parameters, "txtrules", context
):
return False, alg.tr(
"You need to set either a rules file or write directly the rules!"
)
return True, None
def processCommand(alg, parameters, context, feedback):
"""Handle inline rules"""
txtRules = alg.parameterAsString(parameters, "txtrules", context)
if txtRules:
# Creates a temporary txt file
tempRulesName = getTempFilename(context=context)
# Inject rules into temporary txt file
with open(tempRulesName, "w") as tempRules:
tempRules.write(txtRules)
alg.removeParameter("txtrules")
parameters["rules"] = tempRulesName
alg.processCommand(parameters, context, feedback)
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