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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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