mirror of
https://github.com/qgis/QGIS.git
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88d7a62321
to Processing. These are useful for 3rd party tools as outputs can be automatically loaded on algorithm completion. It is an API change not visible for users.
104 lines
4.8 KiB
Python
104 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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Output.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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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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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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import sys
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from qgis.core import (QgsExpressionContext,
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QgsExpressionContextUtils,
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QgsExpression,
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QgsExpressionContextScope,
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QgsProject,
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QgsSettings,
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QgsVectorFileWriter,
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QgsProcessingUtils,
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QgsProcessingParameterDefinition,
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QgsProcessingOutputRasterLayer,
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QgsProcessingOutputVectorLayer,
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QgsProcessingOutputMapLayer,
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QgsProcessingOutputHtml,
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QgsProcessingOutputNumber,
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QgsProcessingOutputString,
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QgsProcessingOutputBoolean,
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QgsProcessingOutputFolder,
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QgsProcessingOutputMultipleLayers,
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QgsProcessingOutputPointCloudLayer)
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def getOutputFromString(s):
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try:
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if "|" in s and s.startswith("Output"):
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tokens = s.split("|")
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params = [t if str(t) != "None" else None for t in tokens[1:]]
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clazz = getattr(sys.modules[__name__], tokens[0])
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return clazz(*params)
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else:
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tokens = s.split("=")
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if tokens[1].lower()[: len('output')] != 'output':
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return None
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name = tokens[0]
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description = tokens[0]
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token = tokens[1].strip()[len('output') + 1:]
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out = None
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if token.lower().strip().startswith('outputraster'):
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out = QgsProcessingOutputRasterLayer(name, description)
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elif token.lower().strip() == 'outputvector':
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out = QgsProcessingOutputVectorLayer(name, description)
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elif token.lower().strip() == 'outputlayer':
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out = QgsProcessingOutputMapLayer(name, description)
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elif token.lower().strip() == 'outputmultilayers':
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out = QgsProcessingOutputMultipleLayers(name, description)
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# elif token.lower().strip() == 'vector point':
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# out = OutputVector(datatype=[dataobjects.TYPE_VECTOR_POINT])
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# elif token.lower().strip() == 'vector line':
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# out = OutputVector(datatype=[OutputVector.TYPE_VECTOR_LINE])
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# elif token.lower().strip() == 'vector polygon':
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# out = OutputVector(datatype=[OutputVector.TYPE_VECTOR_POLYGON])
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# elif token.lower().strip().startswith('table'):
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# out = OutputTable()
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elif token.lower().strip().startswith('outputhtml'):
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out = QgsProcessingOutputHtml(name, description)
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# elif token.lower().strip().startswith('file'):
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# out = OutputFile()
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# ext = token.strip()[len('file') + 1:]
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# if ext:
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# out.ext = ext
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elif token.lower().strip().startswith('outputfolder'):
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out = QgsProcessingOutputFolder(name, description)
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elif token.lower().strip().startswith('outputnumber'):
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out = QgsProcessingOutputNumber(name, description)
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elif token.lower().strip().startswith('outputstring'):
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out = QgsProcessingOutputString(name, description)
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elif token.lower().strip().startswith('outputboolean'):
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out = QgsProcessingOutputBoolean(name, description)
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elif token.lower().strip().startswith('outputPointCloud'):
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out = QgsProcessingOutputPointCloudLayer(name, description)
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# elif token.lower().strip().startswith('extent'):
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# out = OutputExtent()
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return out
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except:
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return None
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