Add i.evapo.mh parameters detection

python/plugins/processing/algs/grass7/ext/i_evapo_mh.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    i_evapo_mh.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__ = 'March 2016'
+__copyright__ = '(C) 2016, Médéric Ribreux'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = '$Format:%H$'
+
+from i import verifyRasterNum
+
+
+def checkParameterValuesBeforeExecuting(alg):
+    if alg.getParameterValue('-h') and alg.getParameterValue('precipitation'):
+        return alg.tr('You can\'t use original Hargreaves flag and precipitation parameter together!')
+    if not alg.getParameterValue('-h') and not alg.getParameterValue('precipitation'):
+        return alg.tr('If you don\'t use original Hargreaves flag, you must set the precipitation raster parameter!')
+    return None