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04eb293362
...and swap to using QgsApplication methods for retrieving cached icons, implement svgIconPath for providers with SVG icons
102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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GdalAlgorithm.py
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---------------------
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Date : August 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__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import re
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from qgis.PyQt.QtGui import QIcon
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from qgis.PyQt.QtCore import QUrl
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from qgis.core import QgsApplication
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from processing.core.GeoAlgorithm import GeoAlgorithm
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from processing.algs.gdal.GdalAlgorithmDialog import GdalAlgorithmDialog
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from processing.algs.gdal.GdalUtils import GdalUtils
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from processing.tools import dataobjects, system
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pluginPath = os.path.normpath(os.path.join(
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os.path.split(os.path.dirname(__file__))[0], os.pardir))
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class GdalAlgorithm(GeoAlgorithm):
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def __init__(self):
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GeoAlgorithm.__init__(self)
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self._icon = None
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def getIcon(self):
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if self._icon is None:
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self._icon = QgsApplication.getThemeIcon("/providerGdal.svg")
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return self._icon
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def getCustomParametersDialog(self):
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return GdalAlgorithmDialog(self)
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def processAlgorithm(self, progress):
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commands = self.getConsoleCommands()
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layers = dataobjects.getVectorLayers()
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supported = dataobjects.getSupportedOutputVectorLayerExtensions()
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for i, c in enumerate(commands):
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for layer in layers:
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if layer.source() in c:
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exported = dataobjects.exportVectorLayer(layer, supported)
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exportedFileName = os.path.splitext(os.path.split(exported)[1])[0]
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c = c.replace(layer.source(), exported)
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if os.path.isfile(layer.source()):
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fileName = os.path.splitext(os.path.split(layer.source())[1])[0]
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c = re.sub('[\s]{}[\s]'.format(fileName), ' ' + exportedFileName + ' ', c)
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c = re.sub('[\s]{}'.format(fileName), ' ' + exportedFileName, c)
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c = re.sub('["\']{}["\']'.format(fileName), "'" + exportedFileName + "'", c)
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commands[i] = c
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GdalUtils.runGdal(commands, progress)
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def shortHelp(self):
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helpPath = GdalUtils.gdalHelpPath()
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if helpPath == '':
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return
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if os.path.exists(helpPath):
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url = QUrl.fromLocalFile(os.path.join(helpPath, '{}.html'.format(self.commandName()))).toString()
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else:
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url = helpPath + '{}.html'.format(self.commandName())
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return self._formatHelp('''This algorithm is based on the GDAL {} module.
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For more info, see the <a href={}> module help</a>
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'''.format(self.commandName(), url))
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def commandName(self):
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alg = self.getCopy()
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for output in alg.outputs:
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output.setValue("dummy")
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for param in alg.parameters:
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param.setValue("1")
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name = alg.getConsoleCommands()[0]
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if name.endswith(".py"):
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name = name[:-3]
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return name
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