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99 lines
3.9 KiB
Python
99 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ogrinfo.py
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---------------------
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Date : November 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__ = 'November 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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from qgis.core import (QgsProcessingException,
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QgsProcessingParameterVectorLayer,
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QgsProcessingParameterBoolean,
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QgsProcessingParameterFileDestination)
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.algs.gdal.GdalUtils import GdalUtils
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class ogrinfo(GdalAlgorithm):
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INPUT = 'INPUT'
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SUMMARY_ONLY = 'SUMMARY_ONLY'
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NO_METADATA = 'NO_METADATA'
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OUTPUT = 'OUTPUT'
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def __init__(self):
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super().__init__()
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def initAlgorithm(self, config=None):
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self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT,
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self.tr('Input layer')))
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self.addParameter(QgsProcessingParameterBoolean(self.SUMMARY_ONLY,
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self.tr('Summary output only'),
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defaultValue=True))
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self.addParameter(QgsProcessingParameterBoolean(self.NO_METADATA,
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self.tr('Suppress metadata info'),
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defaultValue=False))
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self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT,
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self.tr('Layer information'),
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self.tr('HTML files (*.html)')))
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def name(self):
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return 'ogrinfo'
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def displayName(self):
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return self.tr('Vector information')
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def group(self):
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return self.tr('Vector miscellaneous')
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def groupId(self):
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return 'vectormiscellaneous'
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def commandName(self):
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return 'ogrinfo'
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def getConsoleCommands(self, parameters, context, feedback, executing=True):
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arguments = ['-al']
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if self.parameterAsBoolean(parameters, self.SUMMARY_ONLY, context):
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arguments.append('-so')
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if self.parameterAsBoolean(parameters, self.NO_METADATA, context):
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arguments.append('-nomd')
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inLayer = self.parameterAsVectorLayer(parameters, self.INPUT, context)
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if inLayer is None:
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raise QgsProcessingException(self.invalidSourceError(parameters, self.INPUT))
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ogrLayer, layerName = self.getOgrCompatibleSource(self.INPUT, parameters, context, feedback, executing)
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arguments.append(ogrLayer)
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arguments.append(layerName)
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return [self.commandName(), GdalUtils.escapeAndJoin(arguments)]
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def processAlgorithm(self, parameters, context, feedback):
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GdalUtils.runGdal(self.getConsoleCommands(parameters, context, feedback), feedback)
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output = self.parameterAsFileOutput(parameters, self.OUTPUT, context)
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with open(output, 'w') as f:
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f.write('<pre>')
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for s in GdalUtils.getConsoleOutput()[1:]:
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f.write(str(s))
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f.write('</pre>')
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return {self.OUTPUT: output}
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