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92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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OgrAlgorithm.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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# 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 re
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import os
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try:
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from osgeo import ogr
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ogrAvailable = True
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except:
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ogrAvailable = False
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.tools import dataobjects
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class OgrAlgorithm(GdalAlgorithm):
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def ogrConnectionString(self, uri):
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ogrstr = None
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layer = dataobjects.getObjectFromUri(uri, False)
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if layer is None:
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return uri
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provider = layer.dataProvider().name()
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if provider == 'spatialite':
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# dbname='/geodata/osm_ch.sqlite' table="places" (Geometry) sql=
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regex = re.compile("dbname='(.+)'")
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r = regex.search(unicode(layer.source()))
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ogrstr = r.groups()[0]
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elif provider == 'postgres':
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# dbname='ktryjh_iuuqef' host=spacialdb.com port=9999
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# user='ktryjh_iuuqef' password='xyqwer' sslmode=disable
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# key='gid' estimatedmetadata=true srid=4326 type=MULTIPOLYGON
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# table="t4" (geom) sql=
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dsUri = QgsDataSourceURI(layer.dataProvider().dataSourceUri())
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connInfo = dsUri.connectionInfo()
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(success, user, passwd ) = QgsCredentials.instance().get(connInfo, None, None)
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if success:
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QgsCredentials.instance().put(connInfo, user, passwd)
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ogrstr = ("PG:dbname='%s' host='%s' port='%s' user='%s' password='%s'"
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% (dsUri.database(), dsUri.host(), dsUri.port(), user, passwd))
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else:
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ogrstr = unicode(layer.source()).split("|")[0]
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return '"' + ogrstr + '"'
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def ogrLayerName(self, uri):
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if 'host' in uri:
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regex = re.compile('(table=")(.+?)(\.)(.+?)"')
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r = regex.search(uri)
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return '"' + r.groups()[1] + '.' + r.groups()[3] +'"'
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elif 'dbname' in uri:
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regex = re.compile('(table=")(.+?)"')
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r = regex.search(uri)
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return r.groups()[1]
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elif 'layername' in uri:
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regex = re.compile('(layername=)(.*)')
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r = regex.search(uri)
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return r.groups()[1]
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else:
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return os.path.basename(os.path.splitext(uri)[0])
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