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148 lines
5.0 KiB
Python
148 lines
5.0 KiB
Python
"""
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***************************************************************************
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ogr2ogr.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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import os
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from qgis.core import (
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QgsProcessing,
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QgsProcessingException,
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QgsProcessingParameterBoolean,
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QgsProcessingParameterDefinition,
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QgsProcessingParameterFeatureSource,
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QgsProcessingParameterString,
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QgsProcessingParameterVectorDestination,
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)
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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 ogr2ogr(GdalAlgorithm):
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INPUT = "INPUT"
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CONVERT_ALL_LAYERS = "CONVERT_ALL_LAYERS"
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OPTIONS = "OPTIONS"
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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(
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QgsProcessingParameterFeatureSource(
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self.INPUT,
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self.tr("Input layer"),
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types=[QgsProcessing.SourceType.TypeVector],
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)
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)
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convert_all_layers_param = QgsProcessingParameterBoolean(
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self.CONVERT_ALL_LAYERS,
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self.tr("Convert all layers from dataset"),
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defaultValue=False,
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)
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convert_all_layers_param.setHelp(
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self.tr(
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"Use convert all layers to convert a whole dataset. "
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"Supported output formats for this option are GPKG and GML."
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)
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)
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self.addParameter(convert_all_layers_param)
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options_param = QgsProcessingParameterString(
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self.OPTIONS,
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self.tr("Additional creation options"),
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defaultValue="",
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optional=True,
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)
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options_param.setFlags(
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options_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
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)
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self.addParameter(options_param)
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self.addParameter(
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QgsProcessingParameterVectorDestination(self.OUTPUT, self.tr("Converted"))
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)
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def name(self):
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return "convertformat"
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def displayName(self):
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return self.tr("Convert format")
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def group(self):
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return self.tr("Vector conversion")
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def groupId(self):
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return "vectorconversion"
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def commandName(self):
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return "ogr2ogr"
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def getConsoleCommands(self, parameters, context, feedback, executing=True):
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input_details = self.getOgrCompatibleSource(
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self.INPUT, parameters, context, feedback, executing
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)
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convertAllLayers = self.parameterAsBoolean(
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parameters, self.CONVERT_ALL_LAYERS, context
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)
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options = self.parameterAsString(parameters, self.OPTIONS, context)
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outFile = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
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self.setOutputValue(self.OUTPUT, outFile)
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output_details = GdalUtils.gdal_connection_details_from_uri(outFile, context)
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if output_details.format in ("SQLite", "GPKG") and os.path.isfile(
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output_details.connection_string
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):
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raise QgsProcessingException(
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self.tr('Output file "{}" already exists.').format(
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output_details.connection_string
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)
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)
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arguments = []
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if output_details.format:
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arguments.append(f"-f {output_details.format}")
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if input_details.open_options:
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arguments.extend(input_details.open_options_as_arguments())
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if input_details.credential_options:
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arguments.extend(input_details.credential_options_as_arguments())
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if options:
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arguments.append(options)
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arguments.append(output_details.connection_string)
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arguments.append(input_details.connection_string)
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if not convertAllLayers:
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arguments.append(input_details.layer_name)
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return ["ogr2ogr", GdalUtils.escapeAndJoin(arguments)]
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def shortHelpString(self):
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return self.tr(
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"The algorithm converts simple features data between file formats.\n\n"
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"Use convert all layers to convert a whole dataset.\n"
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"Supported output formats for this option are:\n"
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"- GPKG\n"
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"- GML"
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)
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