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# -*- coding: utf-8 -*-
"""
***************************************************************************
GdalAlgorithm.py
---------------------
Date : August 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__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
import re
from qgis.PyQt.QtGui import QIcon
from qgis.PyQt.QtCore import QUrl
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.algs.gdal.GdalAlgorithmDialog import GdalAlgorithmDialog
from processing.algs.gdal.GdalUtils import GdalUtils
from processing.tools import dataobjects, system
pluginPath = os.path.normpath(os.path.join(
os.path.split(os.path.dirname(__file__))[0], os.pardir))
class GdalAlgorithm(GeoAlgorithm):
def getIcon(self):
return QIcon(os.path.join(pluginPath, 'images', 'gdal.svg'))
def getCustomParametersDialog(self):
return GdalAlgorithmDialog(self)
def processAlgorithm(self, progress):
commands = self.getConsoleCommands()
layers = dataobjects.getVectorLayers()
supported = dataobjects.getSupportedOutputVectorLayerExtensions()
for i, c in enumerate(commands):
for layer in layers:
if layer.source() in c:
exported = dataobjects.exportVectorLayer(layer, supported)
exportedFileName = os.path.splitext(os.path.split(exported)[1])[0]
c = c.replace(layer.source(), exported)
if os.path.isfile(layer.source()):
fileName = os.path.splitext(os.path.split(layer.source())[1])[0]
c = re.sub('[\s]{}[\s]'.format(fileName), ' ' + exportedFileName + ' ', c)
c = re.sub('[\s]{}'.format(fileName), ' ' + exportedFileName, c)
c = re.sub('["\']{}["\']'.format(fileName), "'" + exportedFileName + "'", c)
commands[i] = c
GdalUtils.runGdal(commands, progress)
def shortHelp(self):
helpPath = GdalUtils.gdalHelpPath()
if helpPath == '':
return
if os.path.exists(helpPath):
url = QUrl.fromLocalFile(os.path.join(helpPath, '{}.html'.format(self.commandName()))).toString()
else:
url = helpPath + '{}.html'.format(self.commandName())
return self._formatHelp('''This algorithm is based on the GDAL {} module.
For more info, see the <a href={}> module help</a>
'''.format(self.commandName(), url))
def commandName(self):
alg = self.getCopy()
for output in alg.outputs:
output.setValue("dummy")
for param in alg.parameters:
param.setValue("1")
name = alg.getConsoleCommands()[0]
if name.endswith(".py"):
name = name[:-3]
return name
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