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test_provider_ogr_gpkg.py
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test_provider_ogr_gpkg.py
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# -*- coding: utf-8 -*-
"""QGIS Unit tests for the OGR/GPKG provider.
.. note:: 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__ = 'Even Rouault'
__date__ = '2016-04-21'
__copyright__ = 'Copyright 2016, Even Rouault'
import os
import re
import shutil
import sys
import tempfile
import time
import qgis # NOQA
from osgeo import gdal, ogr
from qgis.core import (QgsFeature,
QgsCoordinateReferenceSystem,
QgsFeatureRequest,
QgsFeatureSink,
QgsFields,
QgsField,
QgsFieldConstraints,
QgsGeometry,
QgsProviderRegistry,
QgsRectangle,
QgsSettings,
QgsVectorLayer,
QgsVectorLayerExporter,
QgsPointXY,
QgsProject,
QgsWkbTypes,
QgsDataProvider,
QgsVectorDataProvider,
NULL)
from qgis.PyQt.QtCore import QCoreApplication, QVariant, QDate, QTime, QDateTime, Qt
from qgis.testing import start_app, unittest
from qgis.utils import spatialite_connect
from utilities import unitTestDataPath
TEST_DATA_DIR = unitTestDataPath()
def GDAL_COMPUTE_VERSION(maj, min, rev):
return ((maj) * 1000000 + (min) * 10000 + (rev) * 100)
class ErrorReceiver():
def __init__(self):
self.msg = None
def receiveError(self, msg):
self.msg = msg
def count_opened_filedescriptors(filename_to_test):
count = -1
if sys.platform.startswith('linux'):
count = 0
open_files_dirname = '/proc/%d/fd' % os.getpid()
filenames = os.listdir(open_files_dirname)
for filename in filenames:
full_filename = open_files_dirname + '/' + filename
if os.path.exists(full_filename):
link = os.readlink(full_filename)
if os.path.basename(link) == os.path.basename(filename_to_test):
count += 1
return count
class TestPyQgsOGRProviderGpkg(unittest.TestCase):
@classmethod
def setUpClass(cls):
"""Run before all tests"""
QCoreApplication.setOrganizationName("QGIS_Test")
QCoreApplication.setOrganizationDomain("TestPyQgsOGRProviderGpkg.com")
QCoreApplication.setApplicationName("TestPyQgsOGRProviderGpkg")
QgsSettings().clear()
start_app()
# Create test layer
cls.basetestpath = tempfile.mkdtemp()
@classmethod
def tearDownClass(cls):
"""Run after all tests"""
shutil.rmtree(cls.basetestpath, True)
QgsSettings().clear()
def testDecodeUri(self):
filename = '/home/to/path/my_file.gpkg'
registry = QgsProviderRegistry.instance()
uri = filename
components = registry.decodeUri('ogr', uri)
self.assertEqual(components["path"], filename)
uri = '{}|layername=test'.format(filename)
components = registry.decodeUri('ogr', uri)
self.assertEqual(components["path"], filename)
self.assertEqual(components["layerName"], 'test')
uri = '{}|layerid=0'.format(filename)
components = registry.decodeUri('ogr', uri)
self.assertEqual(components["path"], filename)
self.assertEqual(components["layerId"], 0)
def testEncodeUri(self):
filename = '/home/to/path/my_file.gpkg'
registry = QgsProviderRegistry.instance()
parts = {"path": filename}
uri = registry.encodeUri('ogr', parts)
self.assertEqual(uri, filename)
# layerName only
parts["layerName"] = "test"
uri = registry.encodeUri('ogr', parts)
self.assertEqual(uri, '{}|layername=test'.format(filename))
del parts["layerName"]
# layerId only
parts["layerId"] = "0"
uri = registry.encodeUri('ogr', parts)
self.assertEqual(uri, '{}|layerid=0'.format(filename))
# Both layerName and layerId: layerName takes precedence
parts["layerName"] = "test"
uri = registry.encodeUri('ogr', parts)
self.assertEqual(uri, '{}|layername=test'.format(filename))
def testSingleToMultiPolygonPromotion(self):
tmpfile = os.path.join(self.basetestpath, 'testSingleToMultiPolygonPromotion.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
ds.CreateLayer('test', geom_type=ogr.wkbMultiPolygon)
ds = None
vl = QgsVectorLayer('{}|layerid=0'.format(tmpfile), 'test', 'ogr')
f = QgsFeature()
f.setGeometry(QgsGeometry.fromWkt('POLYGON ((0 0,0 1,1 1,0 0))'))
vl.dataProvider().addFeatures([f])
got = [feat for feat in vl.getFeatures()][0]
got_geom = got.geometry()
reference = QgsGeometry.fromWkt('MultiPolygon (((0 0, 0 1, 1 1, 0 0)))')
# The geometries must be binarily identical
self.assertEqual(got_geom.asWkb(), reference.asWkb(),
'Expected {}, got {}'.format(reference.asWkt(), got_geom.asWkt()))
def testCurveGeometryType(self):
tmpfile = os.path.join(self.basetestpath, 'testCurveGeometryType.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
ds.CreateLayer('test', geom_type=ogr.wkbCurvePolygon)
ds = None
vl = QgsVectorLayer('{}'.format(tmpfile), 'test', 'ogr')
self.assertEqual(vl.dataProvider().subLayers(),
[QgsDataProvider.SUBLAYER_SEPARATOR.join(['0', 'test', '0', 'CurvePolygon', 'geom', ''])])
f = QgsFeature()
f.setGeometry(QgsGeometry.fromWkt('POLYGON ((0 0,0 1,1 1,0 0))'))
vl.dataProvider().addFeatures([f])
got = [feat for feat in vl.getFeatures()][0]
got_geom = got.geometry()
reference = QgsGeometry.fromWkt('CurvePolygon (((0 0, 0 1, 1 1, 0 0)))')
# The geometries must be binarily identical
self.assertEqual(got_geom.asWkb(), reference.asWkb(),
'Expected {}, got {}'.format(reference.asWkt(), got_geom.asWkt()))
def internalTestBug15351(self, orderClosing):
tmpfile = os.path.join(self.basetestpath, 'testBug15351.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPoint)
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(0 0)'))
lyr.CreateFeature(f)
f = None
ds = None
vl = QgsVectorLayer(u'{}'.format(tmpfile), u'test', u'ogr')
self.assertTrue(vl.startEditing())
self.assertTrue(vl.changeGeometry(1, QgsGeometry.fromWkt('Point (3 50)')))
# Iterate over features (will open a new OGR connection), but do not
# close the iterator for now
it = vl.getFeatures()
f = QgsFeature()
it.nextFeature(f)
if orderClosing == 'closeIter_commit_closeProvider':
it = None
# Commit changes
cbk = ErrorReceiver()
vl.dataProvider().raiseError.connect(cbk.receiveError)
self.assertTrue(vl.commitChanges())
self.assertIsNone(cbk.msg)
# Close layer and iterator in different orders
if orderClosing == 'closeIter_commit_closeProvider':
vl = None
elif orderClosing == 'commit_closeProvider_closeIter':
vl = None
it = None
else:
assert orderClosing == 'commit_closeIter_closeProvider'
it = None
vl = None
# Test that we succeeded restoring default journal mode, and we
# are not let in WAL mode.
ds = ogr.Open(tmpfile)
lyr = ds.ExecuteSQL('PRAGMA journal_mode')
f = lyr.GetNextFeature()
res = f.GetField(0)
ds.ReleaseResultSet(lyr)
ds = None
self.assertEqual(res, 'delete')
# We need GDAL 2.0 to issue PRAGMA journal_mode
# Note: for that case, we don't strictly need turning on WAL
def testBug15351_closeIter_commit_closeProvider(self):
self.internalTestBug15351('closeIter_commit_closeProvider')
# We need GDAL 2.0 to issue PRAGMA journal_mode
def testBug15351_commit_closeProvider_closeIter(self):
self.internalTestBug15351('commit_closeProvider_closeIter')
# We need GDAL 2.0 to issue PRAGMA journal_mode
def testBug15351_commit_closeIter_closeProvider(self):
self.internalTestBug15351('commit_closeIter_closeProvider')
@unittest.skip(int(gdal.VersionInfo('VERSION_NUM')) < GDAL_COMPUTE_VERSION(2, 1, 2))
def testGeopackageExtentUpdate(self):
''' test https://github.com/qgis/QGIS/issues/23209 '''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageExtentUpdate.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPoint)
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(0 0)'))
lyr.CreateFeature(f)
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(1 1)'))
lyr.CreateFeature(f)
f = None
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(1 0.5)'))
lyr.CreateFeature(f)
f = None
gdal.ErrorReset()
ds.ExecuteSQL('RECOMPUTE EXTENT ON test')
has_error = gdal.GetLastErrorMsg() != ''
ds = None
if has_error:
print('Too old GDAL trunk version. Please update')
return
vl = QgsVectorLayer(u'{}'.format(tmpfile), u'test', u'ogr')
# Test moving a geometry that touches the bbox
self.assertTrue(vl.startEditing())
self.assertTrue(vl.changeGeometry(1, QgsGeometry.fromWkt('Point (0.5 0)')))
self.assertTrue(vl.commitChanges())
reference = QgsGeometry.fromRect(QgsRectangle(0.5, 0.0, 1.0, 1.0))
provider_extent = QgsGeometry.fromRect(vl.extent())
self.assertTrue(QgsGeometry.compare(provider_extent.asPolygon()[0], reference.asPolygon()[0], 0.00001),
provider_extent.asPolygon()[0])
# Test deleting a geometry that touches the bbox
self.assertTrue(vl.startEditing())
self.assertTrue(vl.deleteFeature(2))
self.assertTrue(vl.commitChanges())
reference = QgsGeometry.fromRect(QgsRectangle(0.5, 0.0, 1.0, 0.5))
provider_extent = QgsGeometry.fromRect(vl.extent())
self.assertTrue(QgsGeometry.compare(provider_extent.asPolygon()[0], reference.asPolygon()[0], 0.00001),
provider_extent.asPolygon()[0])
def testSelectSubsetString(self):
tmpfile = os.path.join(self.basetestpath, 'testSelectSubsetString.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbMultiPolygon)
lyr.CreateField(ogr.FieldDefn('foo', ogr.OFTString))
f = ogr.Feature(lyr.GetLayerDefn())
f['foo'] = 'bar'
lyr.CreateFeature(f)
f = None
f = ogr.Feature(lyr.GetLayerDefn())
f['foo'] = 'baz'
lyr.CreateFeature(f)
f = None
ds = None
vl = QgsVectorLayer('{}|layerid=0'.format(tmpfile), 'test', 'ogr')
vl.setSubsetString("SELECT fid, foo FROM test WHERE foo = 'baz'")
got = [feat for feat in vl.getFeatures()]
self.assertEqual(len(got), 1)
del vl
testdata_path = unitTestDataPath('provider')
shutil.copy(os.path.join(testdata_path, 'bug_19826.gpkg'), tmpfile)
vl = QgsVectorLayer('{}|layerid=0'.format(tmpfile), 'test', 'ogr')
vl.setSubsetString("name = 'two'")
got = [feat for feat in vl.getFeatures()]
self.assertEqual(len(got), 1)
attributes = got[0].attributes()
self.assertEqual(got[0].id(), 2)
self.assertEqual(attributes[0], 2)
self.assertEqual(attributes[1], 'two')
self.assertNotEqual(attributes[2], None)
# Request by FeatureId on a subset layer
got = [feat for feat in vl.getFeatures(QgsFeatureRequest(2))]
self.assertEqual(len(got), 1)
attributes = got[0].attributes()
self.assertEqual(got[0].id(), 2)
self.assertEqual(attributes[0], 2)
self.assertEqual(attributes[1], 'two')
self.assertNotEqual(attributes[2], None)
request = QgsFeatureRequest(2).setSubsetOfAttributes([0])
got = [feat for feat in vl.getFeatures(request)]
self.assertEqual(len(got), 1)
attributes = got[0].attributes()
self.assertEqual(got[0].id(), 2)
self.assertEqual(attributes[0], 2)
self.assertEqual(attributes[1], None)
self.assertEqual(attributes[2], None)
# Request by FeatureId on a subset layer. The name = 'two' filter
# only returns FID 2, so requesting on FID 1 should return nothing
# but this is broken now.
got = [feat for feat in vl.getFeatures(QgsFeatureRequest(1))]
self.assertEqual(len(got), 1) # this is the current behavior, broken
def testEditSubsetString(self):
tmpfile = os.path.join(self.basetestpath, 'testEditSubsetString.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbMultiPolygon)
lyr.CreateField(ogr.FieldDefn('foo', ogr.OFTString))
f = ogr.Feature(lyr.GetLayerDefn())
f['foo'] = 'bar'
lyr.CreateFeature(f)
f = None
f = ogr.Feature(lyr.GetLayerDefn())
f['foo'] = 'baz'
lyr.CreateFeature(f)
f = None
ds = None
vl = QgsVectorLayer('{}|layerid=0'.format(tmpfile), 'test', 'ogr')
self.assertEqual(vl.dataProvider().featureCount(), 2)
# Test adding features
vl.setSubsetString("foo = 'baz'")
self.assertTrue(vl.startEditing())
feature = QgsFeature(vl.fields())
feature['foo'] = 'abc'
vl.addFeature(feature)
vl.commitChanges()
vl.setSubsetString(None)
self.assertEqual(vl.dataProvider().featureCount(), 3)
# Test deleting a feature
vl.setSubsetString("foo = 'baz'")
self.assertTrue(vl.startEditing())
vl.deleteFeature(1)
vl.commitChanges()
vl.setSubsetString(None)
self.assertEqual(vl.dataProvider().featureCount(), 2)
# Test editing a feature
vl.setSubsetString("foo = 'baz'")
self.assertTrue(vl.startEditing())
vl.changeAttributeValue(2, 1, 'xx')
vl.commitChanges()
vl.setSubsetString(None)
self.assertEqual(set((feat['foo'] for feat in vl.getFeatures())), set(['xx', 'abc']))
def testStyle(self):
# First test with invalid URI
vl = QgsVectorLayer('/idont/exist.gpkg', 'test', 'ogr')
self.assertFalse(vl.dataProvider().isSaveAndLoadStyleToDatabaseSupported())
related_count, idlist, namelist, desclist, errmsg = vl.listStylesInDatabase()
self.assertEqual(related_count, -1)
self.assertEqual(idlist, [])
self.assertEqual(namelist, [])
self.assertEqual(desclist, [])
self.assertNotEqual(errmsg, "")
qml, errmsg = vl.getStyleFromDatabase("1")
self.assertEqual(qml, "")
self.assertNotEqual(errmsg, "")
qml, success = vl.loadNamedStyle('/idont/exist.gpkg')
self.assertFalse(success)
errorMsg = vl.saveStyleToDatabase("name", "description", False, "")
self.assertNotEqual(errorMsg, "")
# Now with valid URI
tmpfile = os.path.join(self.basetestpath, 'testStyle.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbMultiPolygon)
lyr.CreateField(ogr.FieldDefn('foo', ogr.OFTString))
f = ogr.Feature(lyr.GetLayerDefn())
f['foo'] = 'bar'
lyr.CreateFeature(f)
f = None
lyr = ds.CreateLayer('test2', geom_type=ogr.wkbMultiPolygon)
lyr.CreateField(ogr.FieldDefn('foo', ogr.OFTString))
f = ogr.Feature(lyr.GetLayerDefn())
f['foo'] = 'bar'
lyr.CreateFeature(f)
f = None
ds = None
vl = QgsVectorLayer('{}|layername=test'.format(tmpfile), 'test', 'ogr')
self.assertTrue(vl.isValid())
vl2 = QgsVectorLayer('{}|layername=test2'.format(tmpfile), 'test2', 'ogr')
self.assertTrue(vl2.isValid())
self.assertTrue(vl.dataProvider().isSaveAndLoadStyleToDatabaseSupported())
related_count, idlist, namelist, desclist, errmsg = vl.listStylesInDatabase()
self.assertEqual(related_count, 0)
self.assertEqual(idlist, [])
self.assertEqual(namelist, [])
self.assertEqual(desclist, [])
self.assertNotEqual(errmsg, "")
qml, errmsg = vl.getStyleFromDatabase("not_existing")
self.assertEqual(qml, "")
self.assertNotEqual(errmsg, "")
qml, success = vl.loadNamedStyle('{}|layerid=0'.format(tmpfile))
self.assertFalse(success)
errorMsg = vl.saveStyleToDatabase("name", "description", False, "")
self.assertEqual(errorMsg, "")
qml, errmsg = vl.getStyleFromDatabase("not_existing")
self.assertEqual(qml, "")
self.assertNotEqual(errmsg, "")
related_count, idlist, namelist, desclist, errmsg = vl.listStylesInDatabase()
self.assertEqual(related_count, 1)
self.assertEqual(errmsg, "")
self.assertEqual(idlist, ['1'])
self.assertEqual(namelist, ['name'])
self.assertEqual(desclist, ['description'])
qml, errmsg = vl.getStyleFromDatabase("100")
self.assertEqual(qml, "")
self.assertNotEqual(errmsg, "")
qml, errmsg = vl.getStyleFromDatabase("1")
self.assertTrue(qml.startswith('<!DOCTYPE qgis'), qml)
self.assertEqual(errmsg, "")
# Try overwrite it but simulate answer no
settings = QgsSettings()
settings.setValue("/qgis/overwriteStyle", False)
errorMsg = vl.saveStyleToDatabase("name", "description_bis", False, "")
self.assertNotEqual(errorMsg, "")
related_count, idlist, namelist, desclist, errmsg = vl.listStylesInDatabase()
self.assertEqual(related_count, 1)
self.assertEqual(errmsg, "")
self.assertEqual(idlist, ['1'])
self.assertEqual(namelist, ['name'])
self.assertEqual(desclist, ['description'])
# Try overwrite it and simulate answer yes
settings = QgsSettings()
settings.setValue("/qgis/overwriteStyle", True)
errorMsg = vl.saveStyleToDatabase("name", "description_bis", False, "")
self.assertEqual(errorMsg, "")
related_count, idlist, namelist, desclist, errmsg = vl.listStylesInDatabase()
self.assertEqual(related_count, 1)
self.assertEqual(errmsg, "")
self.assertEqual(idlist, ['1'])
self.assertEqual(namelist, ['name'])
self.assertEqual(desclist, ['description_bis'])
errorMsg = vl2.saveStyleToDatabase("name_test2", "description_test2", True, "")
self.assertEqual(errorMsg, "")
errorMsg = vl.saveStyleToDatabase("name2", "description2", True, "")
self.assertEqual(errorMsg, "")
errorMsg = vl.saveStyleToDatabase("name3", "description3", True, "")
self.assertEqual(errorMsg, "")
related_count, idlist, namelist, desclist, errmsg = vl.listStylesInDatabase()
self.assertEqual(related_count, 3)
self.assertEqual(errmsg, "")
self.assertEqual(idlist, ['1', '3', '4', '2'])
self.assertEqual(namelist, ['name', 'name2', 'name3', 'name_test2'])
self.assertEqual(desclist, ['description_bis', 'description2', 'description3', 'description_test2'])
# Check that layers_style table is not list in subLayers()
vl = QgsVectorLayer(tmpfile, 'test', 'ogr')
sublayers = vl.dataProvider().subLayers()
self.assertEqual(len(sublayers), 2, sublayers)
def testDisablewalForSqlite3(self):
''' Test disabling walForSqlite3 setting '''
QgsSettings().setValue("/qgis/walForSqlite3", False)
tmpfile = os.path.join(self.basetestpath, 'testDisablewalForSqlite3.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPoint)
lyr.CreateField(ogr.FieldDefn('attr0', ogr.OFTInteger))
lyr.CreateField(ogr.FieldDefn('attr1', ogr.OFTInteger))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(0 0)'))
lyr.CreateFeature(f)
f = None
ds = None
vl = QgsVectorLayer(u'{}'.format(tmpfile), u'test', u'ogr')
# Test that we are using default delete mode and not WAL
ds = ogr.Open(tmpfile)
lyr = ds.ExecuteSQL('PRAGMA journal_mode')
f = lyr.GetNextFeature()
res = f.GetField(0)
ds.ReleaseResultSet(lyr)
ds = None
self.assertEqual(res, 'delete')
self.assertTrue(vl.startEditing())
feature = next(vl.getFeatures())
self.assertTrue(vl.changeAttributeValue(feature.id(), 1, 1001))
# Commit changes
cbk = ErrorReceiver()
vl.dataProvider().raiseError.connect(cbk.receiveError)
self.assertTrue(vl.commitChanges())
self.assertIsNone(cbk.msg)
vl = None
QgsSettings().setValue("/qgis/walForSqlite3", None)
def testSimulatedDBManagerImport(self):
uri = 'point?field=f1:int'
uri += '&field=f2:double(6,4)'
uri += '&field=f3:string(20)'
mem_lyr = QgsVectorLayer(uri, "x", "memory")
self.assertTrue(mem_lyr.isValid())
f = QgsFeature(mem_lyr.fields())
f['f1'] = 1
f['f2'] = 123.456
f['f3'] = '12345678.90123456789'
f2 = QgsFeature(mem_lyr.fields())
f2['f1'] = 2
mem_lyr.dataProvider().addFeatures([f, f2])
# Test creating new DB
tmpfile = os.path.join(self.basetestpath, 'testSimulatedDBManagerImport.gpkg')
options = {}
options['driverName'] = 'GPKG'
err = QgsVectorLayerExporter.exportLayer(mem_lyr, tmpfile, "ogr", mem_lyr.crs(), False, options)
self.assertEqual(err[0], QgsVectorLayerExporter.NoError,
'unexpected import error {0}'.format(err))
lyr = QgsVectorLayer(tmpfile, "y", "ogr")
self.assertTrue(lyr.isValid())
features = lyr.getFeatures()
f = next(features)
self.assertEqual(f['f1'], 1)
self.assertEqual(f['f2'], 123.456)
self.assertEqual(f['f3'], '12345678.90123456789')
f = next(features)
self.assertEqual(f['f1'], 2)
features = None
del lyr
# Test updating existing DB, by adding a new layer
mem_lyr = QgsVectorLayer(uri, "x", "memory")
self.assertTrue(mem_lyr.isValid())
f = QgsFeature(mem_lyr.fields())
f['f1'] = 1
f['f2'] = 2
mem_lyr.dataProvider().addFeatures([f])
options = {}
options['update'] = True
options['driverName'] = 'GPKG'
options['layerName'] = 'my_out_table'
err = QgsVectorLayerExporter.exportLayer(mem_lyr, tmpfile, "ogr", mem_lyr.crs(), False, options)
self.assertEqual(err[0], QgsVectorLayerExporter.NoError,
'unexpected import error {0}'.format(err))
lyr = QgsVectorLayer(tmpfile + "|layername=my_out_table", "y", "ogr")
self.assertTrue(lyr.isValid())
features = lyr.getFeatures()
f = next(features)
self.assertEqual(f['f1'], 1)
self.assertEqual(f['f2'], 2)
features = None
del lyr
# Test overwriting without overwrite option
err = QgsVectorLayerExporter.exportLayer(mem_lyr, tmpfile, "ogr", mem_lyr.crs(), False, options)
self.assertEqual(err[0], QgsVectorLayerExporter.ErrCreateDataSource)
# Test overwriting, without specifying a layer name
mem_lyr = QgsVectorLayer(uri, "x", "memory")
self.assertTrue(mem_lyr.isValid())
f = QgsFeature(mem_lyr.fields())
f['f1'] = 3
f['f2'] = 4
mem_lyr.dataProvider().addFeatures([f])
options = {}
options['driverName'] = 'GPKG'
options['overwrite'] = True
err = QgsVectorLayerExporter.exportLayer(mem_lyr, tmpfile, "ogr", mem_lyr.crs(), False, options)
self.assertEqual(err[0], QgsVectorLayerExporter.NoError,
'unexpected import error {0}'.format(err))
lyr = QgsVectorLayer(tmpfile, "y", "ogr")
self.assertTrue(lyr.isValid())
features = lyr.getFeatures()
f = next(features)
self.assertEqual(f['f1'], 3)
self.assertEqual(f['f2'], 4)
features = None
def testExportLayerToExistingDatabase(self):
fields = QgsFields()
fields.append(QgsField('f1', QVariant.Int))
tmpfile = os.path.join(self.basetestpath, 'testCreateNewGeopackage.gpkg')
options = {}
options['update'] = True
options['driverName'] = 'GPKG'
options['layerName'] = 'table1'
exporter = QgsVectorLayerExporter(tmpfile, "ogr", fields, QgsWkbTypes.Polygon,
QgsCoordinateReferenceSystem(3111), False, options)
self.assertFalse(exporter.errorCode(),
'unexpected export error {}: {}'.format(exporter.errorCode(), exporter.errorMessage()))
options['layerName'] = 'table2'
exporter = QgsVectorLayerExporter(tmpfile, "ogr", fields, QgsWkbTypes.Point, QgsCoordinateReferenceSystem(3113),
False, options)
self.assertFalse(exporter.errorCode(),
'unexpected export error {} : {}'.format(exporter.errorCode(), exporter.errorMessage()))
del exporter
# make sure layers exist
lyr = QgsVectorLayer('{}|layername=table1'.format(tmpfile), "lyr1", "ogr")
self.assertTrue(lyr.isValid())
self.assertEqual(lyr.crs().authid(), 'EPSG:3111')
self.assertEqual(lyr.wkbType(), QgsWkbTypes.Polygon)
lyr2 = QgsVectorLayer('{}|layername=table2'.format(tmpfile), "lyr2", "ogr")
self.assertTrue(lyr2.isValid())
self.assertEqual(lyr2.crs().authid(), 'EPSG:3113')
self.assertEqual(lyr2.wkbType(), QgsWkbTypes.Point)
def testGeopackageTwoLayerEdition(self):
''' test https://github.com/qgis/QGIS/issues/24933 '''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageTwoLayerEdition.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('layer1', geom_type=ogr.wkbPoint)
lyr.CreateField(ogr.FieldDefn('attr', ogr.OFTInteger))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(0 0)'))
lyr.CreateFeature(f)
f = None
lyr = ds.CreateLayer('layer2', geom_type=ogr.wkbPoint)
lyr.CreateField(ogr.FieldDefn('attr', ogr.OFTInteger))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(1 1)'))
lyr.CreateFeature(f)
f = None
ds = None
vl1 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=layer1", u'layer1', u'ogr')
vl2 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=layer2", u'layer2', u'ogr')
# Edit vl1, vl2 multiple times
self.assertTrue(vl1.startEditing())
self.assertTrue(vl2.startEditing())
self.assertTrue(vl1.changeGeometry(1, QgsGeometry.fromWkt('Point (2 2)')))
self.assertTrue(vl2.changeGeometry(1, QgsGeometry.fromWkt('Point (3 3)')))
self.assertTrue(vl1.commitChanges())
self.assertTrue(vl2.commitChanges())
self.assertTrue(vl1.startEditing())
self.assertTrue(vl2.startEditing())
self.assertTrue(vl1.changeAttributeValue(1, 1, 100))
self.assertTrue(vl2.changeAttributeValue(1, 1, 101))
self.assertTrue(vl1.commitChanges())
self.assertTrue(vl2.commitChanges())
self.assertTrue(vl1.startEditing())
self.assertTrue(vl2.startEditing())
self.assertTrue(vl1.changeGeometry(1, QgsGeometry.fromWkt('Point (4 4)')))
self.assertTrue(vl2.changeGeometry(1, QgsGeometry.fromWkt('Point (5 5)')))
self.assertTrue(vl1.commitChanges())
self.assertTrue(vl2.commitChanges())
vl1 = None
vl2 = None
# Check everything is as expected after re-opening
vl1 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=layer1", u'layer1', u'ogr')
vl2 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=layer2", u'layer2', u'ogr')
got = [feat for feat in vl1.getFeatures()][0]
got_geom = got.geometry()
self.assertEqual(got['attr'], 100)
reference = QgsGeometry.fromWkt('Point (4 4)')
self.assertEqual(got_geom.asWkb(), reference.asWkb(),
'Expected {}, got {}'.format(reference.asWkt(), got_geom.asWkt()))
got = [feat for feat in vl2.getFeatures()][0]
got_geom = got.geometry()
self.assertEqual(got['attr'], 101)
reference = QgsGeometry.fromWkt('Point (5 5)')
self.assertEqual(got_geom.asWkb(), reference.asWkb(),
'Expected {}, got {}'.format(reference.asWkt(), got_geom.asWkt()))
def testReplaceLayerWhileOpen(self):
''' Replace an existing geopackage layer whilst it's open in the project'''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageReplaceOpenLayer.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('layer1', geom_type=ogr.wkbPoint)
lyr.CreateField(ogr.FieldDefn('attr', ogr.OFTInteger))
lyr.CreateField(ogr.FieldDefn('attr2', ogr.OFTInteger))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(0 0)'))
lyr.CreateFeature(f)
f = None
vl1 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=layer1", u'layer1', u'ogr')
p = QgsProject()
p.addMapLayer(vl1)
request = QgsFeatureRequest().setSubsetOfAttributes([0])
features = [f for f in vl1.getFeatures(request)]
self.assertEqual(len(features), 1)
# now, overwrite the layer with a different geometry type and fields
ds.DeleteLayer('layer1')
lyr = ds.CreateLayer('layer1', geom_type=ogr.wkbLineString)
lyr.CreateField(ogr.FieldDefn('attr', ogr.OFTString))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('LineString(0 0, 1 1)'))
lyr.CreateFeature(f)
f = None
vl2 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=layer1", u'layer2', u'ogr')
p.addMapLayer(vl2)
features = [f for f in vl1.getFeatures(request)]
self.assertEqual(len(features), 1)
def testPkAttributeIndexes(self):
''' Test the primary key index '''
tmpfile = os.path.join(self.basetestpath, 'testPkAttributeIndexes.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
ds.CreateLayer('test', geom_type=ogr.wkbPoint,
options=['COLUMN_TYPES=foo=int8,bar=string', 'GEOMETRY_NAME=the_geom', 'FID=customfid'])
ds = None
vl = QgsVectorLayer('{}|layerid=0'.format(tmpfile), 'test', 'ogr')
pks = vl.primaryKeyAttributes()
fields = vl.fields()
pkfield = fields.at(pks[0])
self.assertEqual(len(pks), 1)
self.assertEqual(pks[0], 0)
self.assertEqual(pkfield.name(), 'customfid')
self.assertTrue(pkfield.constraints().constraints() & QgsFieldConstraints.ConstraintUnique)
def testSublayerWithComplexLayerName(self):
''' Test reading a gpkg with a sublayer name containing : '''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageComplexLayerName.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('layer1:', geom_type=ogr.wkbPoint, options=['GEOMETRY_NAME=geom:'])
lyr.CreateField(ogr.FieldDefn('attr', ogr.OFTInteger))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(0 0)'))
lyr.CreateFeature(f)
f = None
vl = QgsVectorLayer(u'{}'.format(tmpfile), u'layer', u'ogr')
self.assertEqual(vl.dataProvider().subLayers(),
[QgsDataProvider.SUBLAYER_SEPARATOR.join(['0', 'layer1:', '1', 'Point', 'geom:', ''])])
def testGeopackageManyLayers(self):
''' test opening more than 64 layers without running out of Spatialite connections '''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageManyLayers.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
for i in range(70):
lyr = ds.CreateLayer('layer%d' % i, geom_type=ogr.wkbPoint)
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POINT(%d 0)' % i))
lyr.CreateFeature(f)
f = None
ds = None
vl_tab = []
for i in range(70):
layername = 'layer%d' % i
vl = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + layername, layername, u'ogr')
self.assertTrue(vl.isValid())
vl_tab += [vl]
count = count_opened_filedescriptors(tmpfile)
if count > 0:
self.assertEqual(count, 1)
for i in range(70):
got = [feat for feat in vl.getFeatures()]
self.assertTrue(len(got) == 1)
# We shouldn't have more than 2 file handles opened:
# one shared by the QgsOgrProvider object
# one shared by the feature iterators
count = count_opened_filedescriptors(tmpfile)
if count > 0:
self.assertEqual(count, 2)
# Re-open an already opened layers. We should get a new handle
layername = 'layer%d' % 0
vl_extra0 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + layername, layername, u'ogr')
self.assertTrue(vl_extra0.isValid())
countNew = count_opened_filedescriptors(tmpfile)
if countNew > 0:
self.assertLessEqual(countNew, 4) # for some reason we get 4 and not 3
layername = 'layer%d' % 1
vl_extra1 = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + layername, layername, u'ogr')
self.assertTrue(vl_extra1.isValid())
countNew2 = count_opened_filedescriptors(tmpfile)
self.assertEqual(countNew2, countNew)
def testGeopackageRefreshIfTableListUpdated(self):
''' test that creating/deleting a layer is reflected when opening a new layer '''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageRefreshIfTableListUpdated.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
ds.CreateLayer('test', geom_type=ogr.wkbPoint)
ds = None
vl = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + "test", 'test', u'ogr')
self.assertTrue(vl.extent().isNull())
time.sleep(1) # so timestamp gets updated
ds = ogr.Open(tmpfile, update=1)
ds.CreateLayer('test2', geom_type=ogr.wkbPoint)
ds = None
vl2 = QgsVectorLayer(u'{}'.format(tmpfile), 'test', u'ogr')
vl2.subLayers()
self.assertEqual(vl2.dataProvider().subLayers(),
[QgsDataProvider.SUBLAYER_SEPARATOR.join(['0', 'test', '0', 'Point', 'geom', '']),
QgsDataProvider.SUBLAYER_SEPARATOR.join(['1', 'test2', '0', 'Point', 'geom', ''])])
def testGeopackageLargeFID(self):
tmpfile = os.path.join(self.basetestpath, 'testGeopackageLargeFID.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPoint)
lyr.CreateField(ogr.FieldDefn('str_field', ogr.OFTString))
ds = None
vl = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + "test", 'test', u'ogr')
f = QgsFeature()
f.setAttributes([1234567890123, None])
self.assertTrue(vl.startEditing())
self.assertTrue(vl.dataProvider().addFeatures([f]))
self.assertTrue(vl.commitChanges())
got = [feat for feat in vl.getFeatures()][0]
self.assertEqual(got['fid'], 1234567890123)
self.assertTrue(vl.startEditing())
self.assertTrue(vl.changeGeometry(1234567890123, QgsGeometry.fromWkt('Point (3 50)')))
self.assertTrue(vl.changeAttributeValue(1234567890123, 1, 'foo'))
self.assertTrue(vl.commitChanges())
got = [feat for feat in vl.getFeatures()][0]
self.assertEqual(got['str_field'], 'foo')
got_geom = got.geometry()
self.assertIsNotNone(got_geom)
self.assertTrue(vl.startEditing())
self.assertTrue(vl.deleteFeature(1234567890123))
self.assertTrue(vl.commitChanges())
def test_AddFeatureNullFid(self):
"""Test gpkg feature with NULL fid can be added"""
tmpfile = os.path.join(self.basetestpath, 'testGeopackageSplitFeatures.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPolygon)
lyr.CreateField(ogr.FieldDefn('str_field', ogr.OFTString))
ds = None
layer = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + "test", 'test', u'ogr')
# Check that pk field has unique constraint
fields = layer.fields()
pkfield = fields.at(0)
self.assertTrue(pkfield.constraints().constraints() & QgsFieldConstraints.ConstraintUnique)
# Test add feature with default Fid (NULL)
layer.startEditing()
f = QgsFeature()
feat = QgsFeature(layer.fields())
feat.setGeometry(QgsGeometry.fromWkt('Polygon ((0 0, 0 1, 1 1, 1 0, 0 0))'))
feat.setAttribute(1, 'test_value')
layer.addFeature(feat)
self.assertTrue(layer.commitChanges())
self.assertEqual(layer.featureCount(), 1)
def test_SplitFeature(self):
"""Test gpkg feature can be split"""
tmpfile = os.path.join(self.basetestpath, 'testGeopackageSplitFeatures.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPolygon)
lyr.CreateField(ogr.FieldDefn('str_field', ogr.OFTString))
f = ogr.Feature(lyr.GetLayerDefn())
f.SetGeometry(ogr.CreateGeometryFromWkt('POLYGON ((0 0,0 1,1 1,1 0,0 0))'))
lyr.CreateFeature(f)
f = None
ds = None
# Split features
layer = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + "test", 'test', u'ogr')
self.assertTrue(layer.isValid())
self.assertTrue(layer.isSpatial())
self.assertEqual([f for f in layer.getFeatures()][0].geometry().asWkt(), 'Polygon ((0 0, 0 1, 1 1, 1 0, 0 0))')
layer.startEditing()
self.assertEqual(layer.splitFeatures([QgsPointXY(0.5, 0), QgsPointXY(0.5, 1)], 0), 0)
self.assertTrue(layer.commitChanges())
self.assertEqual(layer.featureCount(), 2)
layer = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + "test", 'test', u'ogr')
self.assertEqual(layer.featureCount(), 2)
self.assertEqual([f for f in layer.getFeatures()][0].geometry().asWkt(),
'Polygon ((0.5 0, 0.5 1, 1 1, 1 0, 0.5 0))')
self.assertEqual([f for f in layer.getFeatures()][1].geometry().asWkt(),
'Polygon ((0.5 1, 0.5 0, 0 0, 0 1, 0.5 1))')
def testCreateAttributeIndex(self):
tmpfile = os.path.join(self.basetestpath, 'testGeopackageAttributeIndex.gpkg')
ds = ogr.GetDriverByName('GPKG').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPolygon)
lyr.CreateField(ogr.FieldDefn('str_field', ogr.OFTString))
lyr.CreateField(ogr.FieldDefn('str_field2', ogr.OFTString))
f = None
ds = None
vl = QgsVectorLayer(u'{}'.format(tmpfile) + "|layername=" + "test", 'test', u'ogr')
self.assertTrue(vl.isValid())
self.assertTrue(vl.dataProvider().capabilities() & QgsVectorDataProvider.CreateAttributeIndex)
self.assertFalse(vl.dataProvider().createAttributeIndex(-1))
self.assertFalse(vl.dataProvider().createAttributeIndex(100))
# should not be allowed - there's already a index on the primary key
self.assertFalse(vl.dataProvider().createAttributeIndex(0))
self.assertTrue(vl.dataProvider().createAttributeIndex(1))
con = spatialite_connect(tmpfile, isolation_level=None)
cur = con.cursor()
rs = cur.execute("SELECT * FROM sqlite_master WHERE type='index' AND tbl_name='test'")
res = [row for row in rs]
self.assertEqual(len(res), 1)
index_name = res[0][1]
rs = cur.execute("PRAGMA index_info({})".format(index_name))
res = [row for row in rs]
self.assertEqual(len(res), 1)
self.assertEqual(res[0][2], 'str_field')
# second index
self.assertTrue(vl.dataProvider().createAttributeIndex(2))
rs = cur.execute("SELECT * FROM sqlite_master WHERE type='index' AND tbl_name='test'")
res = [row for row in rs]
self.assertEqual(len(res), 2)
indexed_columns = []
for row in res:
index_name = row[1]