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"""
***************************************************************************
ogr2ogr.py
---------------------
Date : November 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* 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__ = "Victor Olaya"
__date__ = "November 2012"
__copyright__ = "(C) 2012, Victor Olaya"
import os
from qgis.core import (
QgsProcessing,
QgsProcessingException,
QgsProcessingParameterBoolean,
QgsProcessingParameterDefinition,
QgsProcessingParameterFeatureSource,
QgsProcessingParameterString,
QgsProcessingParameterVectorDestination,
)
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils
class ogr2ogr(GdalAlgorithm):
INPUT = "INPUT"
CONVERT_ALL_LAYERS = "CONVERT_ALL_LAYERS"
OPTIONS = "OPTIONS"
OUTPUT = "OUTPUT"
def __init__(self):
super().__init__()
def initAlgorithm(self, config=None):
self.addParameter(
QgsProcessingParameterFeatureSource(
self.INPUT,
self.tr("Input layer"),
types=[QgsProcessing.SourceType.TypeVector],
)
)
convert_all_layers_param = QgsProcessingParameterBoolean(
self.CONVERT_ALL_LAYERS,
self.tr("Convert all layers from dataset"),
defaultValue=False,
)
convert_all_layers_param.setHelp(
self.tr(
"Use convert all layers to convert a whole dataset. "
"Supported output formats for this option are GPKG and GML."
)
)
self.addParameter(convert_all_layers_param)
options_param = QgsProcessingParameterString(
self.OPTIONS,
self.tr("Additional creation options"),
defaultValue="",
optional=True,
)
options_param.setFlags(
options_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
)
self.addParameter(options_param)
self.addParameter(
QgsProcessingParameterVectorDestination(self.OUTPUT, self.tr("Converted"))
)
def name(self):
return "convertformat"
def displayName(self):
return self.tr("Convert format")
def group(self):
return self.tr("Vector conversion")
def groupId(self):
return "vectorconversion"
def commandName(self):
return "ogr2ogr"
def getConsoleCommands(self, parameters, context, feedback, executing=True):
input_details = self.getOgrCompatibleSource(
self.INPUT, parameters, context, feedback, executing
)
convertAllLayers = self.parameterAsBoolean(
parameters, self.CONVERT_ALL_LAYERS, context
)
options = self.parameterAsString(parameters, self.OPTIONS, context)
outFile = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
self.setOutputValue(self.OUTPUT, outFile)
output_details = GdalUtils.gdal_connection_details_from_uri(outFile, context)
if output_details.format in ("SQLite", "GPKG") and os.path.isfile(
output_details.connection_string
):
raise QgsProcessingException(
self.tr('Output file "{}" already exists.').format(
output_details.connection_string
)
)
arguments = []
if output_details.format:
arguments.append(f"-f {output_details.format}")
if input_details.open_options:
arguments.extend(input_details.open_options_as_arguments())
if input_details.credential_options:
arguments.extend(input_details.credential_options_as_arguments())
if options:
arguments.append(options)
arguments.append(output_details.connection_string)
arguments.append(input_details.connection_string)
if not convertAllLayers:
arguments.append(input_details.layer_name)
return ["ogr2ogr", GdalUtils.escapeAndJoin(arguments)]
def shortHelpString(self):
return self.tr(
"The algorithm converts simple features data between file formats.\n\n"
"Use convert all layers to convert a whole dataset.\n"
"Supported output formats for this option are:\n"
"- GPKG\n"
"- GML"
)
|
