mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-24 00:47:57 -05:00
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
"""
|
|
***************************************************************************
|
|
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)
|