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