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32 lines
1.4 KiB
Python
32 lines
1.4 KiB
Python
"""
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***************************************************************************
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v_reclass.py
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----------
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Date : June 2023
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Copyright : (C) 2023 by Andrea Giudiceandrea
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Email : andreaerdna at libero dot it
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Andrea Giudiceandrea'
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__date__ = 'June 2023'
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__copyright__ = '(C) 2023, Andrea Giudiceandrea'
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def checkParameterValuesBeforeExecuting(alg, parameters, context):
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""" Verify if we have the right parameters """
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# rules and column parameters are mutually exclusive
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rules = alg.parameterAsString(parameters, 'rules', context)
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column = alg.parameterAsString(parameters, 'column', context)
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if (rules and column) or (not rules and not column):
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return False, alg.tr("You need to set either a rules file or a column!")
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return True, None
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