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48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
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from sextante.core.GeoAlgorithm import GeoAlgorithm
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from sextante.core.QGisLayers import QGisLayers
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from qgis.core import *
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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import string
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import re
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import ogr
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class OgrAlgorithm(GeoAlgorithm):
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DB = "DB"
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def ogrConnectionString(self, uri):
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ogrstr = None
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layer = QGisLayers.getObjectFromUri(uri, False)
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if layer == None:
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return uri;
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provider = layer.dataProvider().name()
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qDebug("inputLayer provider '%s'" % provider)
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#qDebug("inputLayer layer '%s'" % layer.providerKey())
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qDebug("inputLayer.source '%s'" % layer.source())
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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(str(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 user='ktryjh_iuuqef' password='xyqwer' sslmode=disable key='gid' estimatedmetadata=true srid=4326 type=MULTIPOLYGON table="t4" (geom) sql=
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s = re.sub(''' sslmode=.+''', '', str(layer.source()))
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ogrstr = 'PG:%s' % s
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else:
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ogrstr = str(layer.source())
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return ogrstr
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def drivers(self):
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list = []
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for iDriver in range(ogr.GetDriverCount()):
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list.append("%s" % ogr.GetDriver(iDriver).GetName())
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return list
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def failure(self, pszDataSource):
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out = ( "FAILURE:\n"
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"Unable to open datasource `%s' with the following drivers.\n" % pszDataSource )
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out = out + string.join(map(lambda d: "->"+d, self.drivers()), '\n')
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return out
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