def testTakeLayer(self):
# test taking ownership of a layer from the project
l1 = createLayer('l1')
l2 = createLayer('l2')
p = QgsProject()
# add one layer to project
p.addMapLayer(l1)
self.assertEqual(p.mapLayers(), {l1.id(): l1})
self.assertEqual(l1.parent().parent(), p)
# try taking some layers which don't exist in project
self.assertFalse(p.takeMapLayer(None))
self.assertFalse(p.takeMapLayer(l2))
# but l2 should still exist..
self.assertTrue(l2.isValid())
# take layer from project
self.assertEqual(p.takeMapLayer(l1), l1)
self.assertFalse(p.mapLayers()) # no layers left
# but l1 should still exist
self.assertTrue(l1.isValid())
# layer should have no parent now
self.assertFalse(l1.parent())
# destroy project
p = None
self.assertTrue(l1.isValid())
def testSaveLoadProject(self):
schema_uri = encode_uri(self.ds_uri, 'qgis_test')
project_uri = encode_uri(self.ds_uri, 'qgis_test', 'abc')
self.dropProjectsTable() # make sure we have a clean start
prj = QgsProject()
uri = self.vl.source()
vl1 = QgsVectorLayer(uri, 'test', 'postgres')
self.assertEqual(vl1.isValid(), True)
prj.addMapLayer(vl1)
prj_storage = QgsApplication.projectStorageRegistry().projectStorageFromType("postgresql")
self.assertTrue(prj_storage)
lst0 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst0, [])
# try to save project in the database
prj.setFileName(project_uri)
res = prj.write()
self.assertTrue(res)
lst1 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst1, ["abc"])
# now try to load the project back
prj2 = QgsProject()
prj2.setFileName(project_uri)
res = prj2.read()
self.assertTrue(res)
self.assertEqual(len(prj2.mapLayers()), 1)
self.assertEqual(prj2.baseName(), "abc")
self.assertEqual(prj2.absoluteFilePath(), "") # path not supported for project storages
self.assertTrue(abs(prj2.lastModified().secsTo(QDateTime.currentDateTime())) < 10)
# try to see project's metadata
res, metadata = prj_storage.readProjectStorageMetadata(project_uri)
self.assertTrue(res)
self.assertEqual(metadata.name, "abc")
time_project = metadata.lastModified
time_now = QDateTime.currentDateTime()
time_diff = time_now.secsTo(time_project)
self.assertTrue(abs(time_diff) < 10)
# try to remove the project
res = prj_storage.removeProject(project_uri)
self.assertTrue(res)
lst2 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst2, [])
self.dropProjectsTable() # make sure we have a clean finish... "leave no trace"
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 testReadWriteXml(self):
p = QgsProject()
ptLayer = QgsVectorLayer("Point?crs=epsg:4326&field=country:string(20)&field=state:string(20)&field=town:string(20)", "points", "memory")
p.addMapLayer(ptLayer)
r = QgsReport(p)
r.setName('my report')
# add a header
r.setHeaderEnabled(True)
report_header = QgsLayout(p)
report_header.setUnits(QgsUnitTypes.LayoutInches)
r.setHeader(report_header)
# add a footer
r.setFooterEnabled(True)
report_footer = QgsLayout(p)
report_footer.setUnits(QgsUnitTypes.LayoutMeters)
r.setFooter(report_footer)
# add some subsections
child1 = QgsReportSectionLayout()
child1_body = QgsLayout(p)
child1_body.setUnits(QgsUnitTypes.LayoutPoints)
child1.setBody(child1_body)
child2 = QgsReportSectionLayout()
child2_body = QgsLayout(p)
child2_body.setUnits(QgsUnitTypes.LayoutPixels)
child2.setBody(child2_body)
child1.appendChild(child2)
child2a = QgsReportSectionFieldGroup()
child2a_body = QgsLayout(p)
child2a_body.setUnits(QgsUnitTypes.LayoutInches)
child2a.setBody(child2a_body)
child2a.setField('my field')
child2a.setLayer(ptLayer)
child1.appendChild(child2a)
r.appendChild(child1)
doc = QDomDocument("testdoc")
elem = r.writeLayoutXml(doc, QgsReadWriteContext())
r2 = QgsReport(p)
self.assertTrue(r2.readLayoutXml(elem, doc, QgsReadWriteContext()))
self.assertEqual(r2.name(), 'my report')
self.assertTrue(r2.headerEnabled())
self.assertEqual(r2.header().units(), QgsUnitTypes.LayoutInches)
self.assertTrue(r2.footerEnabled())
self.assertEqual(r2.footer().units(), QgsUnitTypes.LayoutMeters)
self.assertEqual(r2.childCount(), 1)
self.assertEqual(r2.childSection(0).body().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(r2.childSection(0).childCount(), 2)
self.assertEqual(r2.childSection(0).childSection(0).body().units(), QgsUnitTypes.LayoutPixels)
self.assertEqual(r2.childSection(0).childSection(1).body().units(), QgsUnitTypes.LayoutInches)
self.assertEqual(r2.childSection(0).childSection(1).field(), 'my field')
self.assertEqual(r2.childSection(0).childSection(1).layer(), ptLayer)
def testNameForPage(self):
p = QgsProject()
vectorFileInfo = QFileInfo(unitTestDataPath() + "/france_parts.shp")
vector_layer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")
self.assertTrue(vector_layer.isValid())
p.addMapLayer(vector_layer)
l = QgsPrintLayout(p)
atlas = l.atlas()
atlas.setEnabled(True)
atlas.setCoverageLayer(vector_layer)
atlas.setPageNameExpression("\"NAME_1\"")
self.assertTrue(atlas.beginRender())
self.assertEqual(atlas.nameForPage(0), 'Basse-Normandie')
self.assertEqual(atlas.nameForPage(1), 'Bretagne')
self.assertEqual(atlas.nameForPage(2), 'Pays de la Loire')
self.assertEqual(atlas.nameForPage(3), 'Centre')
def test_mapLayersByName(self):
""" test retrieving map layer by name """
p = QgsProject()
# test no crash with empty registry
self.assertEqual(p.mapLayersByName('bad'), [])
self.assertEqual(p.mapLayersByName(None), [])
l1 = createLayer('test')
l2 = createLayer('test2')
p.addMapLayers([l1, l2])
self.assertEqual(p.mapLayersByName('bad'), [])
self.assertEqual(p.mapLayersByName(None), [])
self.assertEqual(p.mapLayersByName('test'), [l1])
self.assertEqual(p.mapLayersByName('test2'), [l2])
#duplicate name
l3 = createLayer('test')
p.addMapLayer(l3)
self.assertEqual(set(p.mapLayersByName('test')), set([l1, l3]))
def testUpdateFeature(self):
p = QgsProject()
vectorFileInfo = QFileInfo(unitTestDataPath() + "/france_parts.shp")
vector_layer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")
self.assertTrue(vector_layer.isValid())
p.addMapLayer(vector_layer)
l = QgsPrintLayout(p)
atlas = l.atlas()
atlas.setEnabled(True)
atlas.setCoverageLayer(vector_layer)
self.assertTrue(atlas.beginRender())
self.assertTrue(atlas.first())
self.assertEqual(atlas.currentFeatureNumber(), 0)
self.assertEqual(l.reportContext().feature()[4], 'Basse-Normandie')
self.assertEqual(l.reportContext().layer(), vector_layer)
vector_layer.startEditing()
self.assertTrue(vector_layer.changeAttributeValue(l.reportContext().feature().id(), 4, 'Nah, Canberra mate!'))
self.assertEqual(l.reportContext().feature()[4], 'Basse-Normandie')
l.atlas().refreshCurrentFeature()
self.assertEqual(l.reportContext().feature()[4], 'Nah, Canberra mate!')
vector_layer.rollBack()
def testFileName(self):
p = QgsProject()
vectorFileInfo = QFileInfo(unitTestDataPath() + "/france_parts.shp")
vector_layer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")
self.assertTrue(vector_layer.isValid())
p.addMapLayer(vector_layer)
l = QgsPrintLayout(p)
atlas = l.atlas()
atlas.setEnabled(True)
atlas.setCoverageLayer(vector_layer)
atlas.setFilenameExpression("'output_' || \"NAME_1\"")
self.assertTrue(atlas.beginRender())
self.assertEqual(atlas.count(), 4)
atlas.first()
self.assertEqual(atlas.currentFilename(), 'output_Basse-Normandie')
self.assertEqual(atlas.filePath('/tmp/output/', 'png'), '/tmp/output/output_Basse-Normandie.png')
self.assertEqual(atlas.filePath('/tmp/output/', '.png'), '/tmp/output/output_Basse-Normandie.png')
self.assertEqual(atlas.filePath('/tmp/output/', 'svg'), '/tmp/output/output_Basse-Normandie.svg')
atlas.next()
self.assertEqual(atlas.currentFilename(), 'output_Bretagne')
self.assertEqual(atlas.filePath('/tmp/output/', 'png'), '/tmp/output/output_Bretagne.png')
atlas.next()
self.assertEqual(atlas.currentFilename(), 'output_Pays de la Loire')
self.assertEqual(atlas.filePath('/tmp/output/', 'png'), '/tmp/output/output_Pays de la Loire.png')
atlas.next()
self.assertEqual(atlas.currentFilename(), 'output_Centre')
self.assertEqual(atlas.filePath('/tmp/output/', 'png'), '/tmp/output/output_Centre.png')
# try changing expression, filename should be updated instantly
atlas.setFilenameExpression("'export_' || \"NAME_1\"")
self.assertEqual(atlas.currentFilename(), 'export_Centre')
atlas.endRender()
def testReadWriteXml(self):
p = QgsProject()
vectorFileInfo = QFileInfo(unitTestDataPath() + "/france_parts.shp")
vector_layer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")
self.assertTrue(vector_layer.isValid())
p.addMapLayer(vector_layer)
l = QgsPrintLayout(p)
atlas = l.atlas()
atlas.setEnabled(True)
atlas.setHideCoverage(True)
atlas.setFilenameExpression('filename exp')
atlas.setCoverageLayer(vector_layer)
atlas.setPageNameExpression('page name')
atlas.setSortFeatures(True)
atlas.setSortAscending(False)
atlas.setSortExpression('sort exp')
atlas.setFilterFeatures(True)
atlas.setFilterExpression('filter exp')
doc = QDomDocument("testdoc")
elem = l.writeXml(doc, QgsReadWriteContext())
l2 = QgsPrintLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
atlas2 = l2.atlas()
self.assertTrue(atlas2.enabled())
self.assertTrue(atlas2.hideCoverage())
self.assertEqual(atlas2.filenameExpression(), 'filename exp')
self.assertEqual(atlas2.coverageLayer(), vector_layer)
self.assertEqual(atlas2.pageNameExpression(), 'page name')
self.assertTrue(atlas2.sortFeatures())
self.assertFalse(atlas2.sortAscending())
self.assertEqual(atlas2.sortExpression(), 'sort exp')
self.assertTrue(atlas2.filterFeatures())
self.assertEqual(atlas2.filterExpression(), 'filter exp')
def testLabelMargin(self):
"""
Test rendering map item with a label margin set
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(QgsLayoutMeasurement(15, QgsUnitTypes.LayoutMillimeters))
checker = QgsLayoutChecker('composermap_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(QgsLayoutMeasurement(3, QgsUnitTypes.LayoutCentimeters))
checker = QgsLayoutChecker('composermap_label_cm_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setMapRotation(45)
map.zoomToExtent(vl.extent())
map.setScale(map.scale() * 1.2)
checker = QgsLayoutChecker('composermap_rotated_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# data defined
map.setMapRotation(0)
map.zoomToExtent(vl.extent())
map.dataDefinedProperties().setProperty(QgsLayoutObject.MapLabelMargin, QgsProperty.fromExpression('1+3'))
map.refresh()
checker = QgsLayoutChecker('composermap_dd_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testRasterDemProvider(self):
"""
Test QgsRasterDemTerrainProvider
"""
provider = QgsRasterDemTerrainProvider()
self.assertEqual(provider.type(), 'raster')
# without layer assigned
self.assertFalse(provider.crs().isValid())
self.assertTrue(math.isnan(provider.heightAt(1, 2)))
# add raster layer to project
p = QgsProject()
rl = QgsRasterLayer(os.path.join(unitTestDataPath(), 'float1-16.tif'),
'rl')
self.assertTrue(rl.isValid())
p.addMapLayer(rl)
provider.setLayer(rl)
self.assertEqual(provider.layer(), rl)
self.assertEqual(provider.crs().authid(), 'EPSG:4326')
self.assertEqual(provider.heightAt(106.4105, -6.6341), 11.0)
# outside of raster extent
self.assertTrue(math.isnan(provider.heightAt(1, 2)))
provider.setOffset(5)
self.assertEqual(provider.offset(), 5)
provider.setScale(3)
self.assertEqual(provider.scale(), 3)
self.assertEqual(provider.heightAt(106.4105, -6.6341), 11 * 3 + 5)
clone = provider.clone()
self.assertIsInstance(clone, QgsRasterDemTerrainProvider)
self.assertEqual(clone.layer(), rl)
self.assertEqual(clone.offset(), 5)
self.assertEqual(clone.scale(), 3)
# via xml
doc = QDomDocument("testdoc")
context = QgsReadWriteContext()
parent_elem = doc.createElement('test')
element = provider.writeXml(doc, context)
parent_elem.appendChild(element)
from_xml = QgsRasterDemTerrainProvider()
self.assertTrue(from_xml.readXml(parent_elem, context))
self.assertEqual(from_xml.offset(), 5)
self.assertEqual(from_xml.scale(), 3)
# layer won't be resolved till we resolve references from project
self.assertFalse(from_xml.layer())
from_xml.resolveReferences(p)
self.assertEqual(from_xml.layer(), rl)
# test equals
provider1 = QgsRasterDemTerrainProvider()
provider2 = QgsRasterDemTerrainProvider()
self.assertTrue(provider1.equals(provider2))
self.assertFalse(provider1.equals(QgsFlatTerrainProvider()))
provider1.setOffset(1)
self.assertFalse(provider1.equals(provider2))
provider2.setOffset(1)
self.assertTrue(provider1.equals(provider2))
provider1.setScale(11)
self.assertFalse(provider1.equals(provider2))
provider2.setScale(11)
self.assertTrue(provider1.equals(provider2))
provider1.setLayer(rl)
self.assertFalse(provider1.equals(provider2))
provider2.setLayer(rl)
self.assertTrue(provider1.equals(provider2))
def testIteration(self):
p = QgsProject()
vectorFileInfo = QFileInfo(unitTestDataPath() + "/france_parts.shp")
vector_layer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr")
self.assertTrue(vector_layer.isValid())
p.addMapLayer(vector_layer)
l = QgsPrintLayout(p)
atlas = l.atlas()
atlas.setEnabled(True)
atlas.setCoverageLayer(vector_layer)
atlas_feature_changed_spy = QSignalSpy(atlas.featureChanged)
context_changed_spy = QSignalSpy(l.reportContext().changed)
self.assertTrue(atlas.beginRender())
self.assertTrue(atlas.first())
self.assertEqual(len(atlas_feature_changed_spy), 1)
self.assertEqual(len(context_changed_spy), 1)
self.assertEqual(atlas.currentFeatureNumber(), 0)
self.assertEqual(l.reportContext().feature()[4], 'Basse-Normandie')
self.assertEqual(l.reportContext().layer(), vector_layer)
f1 = l.reportContext().feature()
self.assertTrue(atlas.next())
self.assertEqual(len(atlas_feature_changed_spy), 2)
self.assertEqual(len(context_changed_spy), 2)
self.assertEqual(atlas.currentFeatureNumber(), 1)
self.assertEqual(l.reportContext().feature()[4], 'Bretagne')
f2 = l.reportContext().feature()
self.assertTrue(atlas.next())
self.assertEqual(len(atlas_feature_changed_spy), 3)
self.assertEqual(len(context_changed_spy), 3)
self.assertEqual(atlas.currentFeatureNumber(), 2)
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
f3 = l.reportContext().feature()
self.assertTrue(atlas.next())
self.assertEqual(len(atlas_feature_changed_spy), 4)
self.assertEqual(len(context_changed_spy), 4)
self.assertEqual(atlas.currentFeatureNumber(), 3)
self.assertEqual(l.reportContext().feature()[4], 'Centre')
f4 = l.reportContext().feature()
self.assertFalse(atlas.next())
self.assertTrue(atlas.seekTo(2))
self.assertEqual(len(atlas_feature_changed_spy), 5)
self.assertEqual(len(context_changed_spy), 5)
self.assertEqual(atlas.currentFeatureNumber(), 2)
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
self.assertTrue(atlas.last())
self.assertEqual(len(atlas_feature_changed_spy), 6)
self.assertEqual(len(context_changed_spy), 6)
self.assertEqual(atlas.currentFeatureNumber(), 3)
self.assertEqual(l.reportContext().feature()[4], 'Centre')
self.assertTrue(atlas.previous())
self.assertEqual(len(atlas_feature_changed_spy), 7)
self.assertEqual(len(context_changed_spy), 7)
self.assertEqual(atlas.currentFeatureNumber(), 2)
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
self.assertTrue(atlas.previous())
self.assertTrue(atlas.previous())
self.assertEqual(len(atlas_feature_changed_spy), 9)
self.assertFalse(atlas.previous())
self.assertEqual(len(atlas_feature_changed_spy), 9)
self.assertTrue(atlas.endRender())
self.assertEqual(len(atlas_feature_changed_spy), 10)
self.assertTrue(atlas.seekTo(f1))
self.assertEqual(l.reportContext().feature()[4], 'Basse-Normandie')
self.assertTrue(atlas.seekTo(f4))
self.assertEqual(l.reportContext().feature()[4], 'Centre')
self.assertTrue(atlas.seekTo(f3))
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
self.assertTrue(atlas.seekTo(f2))
self.assertEqual(l.reportContext().feature()[4], 'Bretagne')
self.assertFalse(atlas.seekTo(QgsFeature(5)))
def testLabelMargin(self):
"""
Test rendering map item with a label margin set
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl",
"memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates,
False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly,
True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(
QgsLayoutMeasurement(15, QgsUnitTypes.LayoutMillimeters))
checker = QgsLayoutChecker('composermap_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(
QgsLayoutMeasurement(3, QgsUnitTypes.LayoutCentimeters))
checker = QgsLayoutChecker('composermap_label_cm_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setMapRotation(45)
map.zoomToExtent(vl.extent())
map.setScale(map.scale() * 1.2)
checker = QgsLayoutChecker('composermap_rotated_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# data defined
map.setMapRotation(0)
map.zoomToExtent(vl.extent())
map.dataDefinedProperties().setProperty(
QgsLayoutObject.MapLabelMargin, QgsProperty.fromExpression('1+3'))
map.refresh()
checker = QgsLayoutChecker('composermap_dd_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testMeshProvider(self):
"""
Test QgsMeshTerrainProvider
"""
provider = QgsMeshTerrainProvider()
self.assertEqual(provider.type(), 'mesh')
# without layer assigned
self.assertFalse(provider.crs().isValid())
self.assertTrue(math.isnan(provider.heightAt(1, 2)))
# add mesh layer to project
p = QgsProject()
mesh_layer = QgsMeshLayer(
os.path.join(unitTestDataPath(), '3d', 'elev_mesh.2dm'), 'mdal',
'mdal')
mesh_layer.setCrs(QgsCoordinateReferenceSystem('EPSG:27700'))
self.assertTrue(mesh_layer.isValid())
p.addMapLayer(mesh_layer)
provider.setLayer(mesh_layer)
self.assertEqual(provider.layer(), mesh_layer)
self.assertEqual(provider.crs().authid(), 'EPSG:27700')
self.assertTrue(math.isnan(provider.heightAt(1, 2)))
self.assertAlmostEqual(provider.heightAt(321695.2, 129990.5),
89.49743150684921, 5)
provider.setOffset(5)
self.assertEqual(provider.offset(), 5)
provider.setScale(3)
self.assertEqual(provider.scale(), 3)
clone = provider.clone()
self.assertIsInstance(clone, QgsMeshTerrainProvider)
self.assertEqual(clone.layer(), mesh_layer)
self.assertEqual(clone.offset(), 5)
self.assertEqual(clone.scale(), 3)
# via xml
doc = QDomDocument("testdoc")
context = QgsReadWriteContext()
parent_elem = doc.createElement('test')
element = provider.writeXml(doc, context)
parent_elem.appendChild(element)
from_xml = QgsMeshTerrainProvider()
self.assertTrue(from_xml.readXml(parent_elem, context))
self.assertEqual(from_xml.offset(), 5)
self.assertEqual(from_xml.scale(), 3)
# layer won't be resolved till we resolve references from project
self.assertFalse(from_xml.layer())
from_xml.resolveReferences(p)
self.assertEqual(from_xml.layer(), mesh_layer)
# test equals
provider1 = QgsMeshTerrainProvider()
provider2 = QgsMeshTerrainProvider()
self.assertTrue(provider1.equals(provider2))
self.assertFalse(provider1.equals(QgsFlatTerrainProvider()))
provider1.setOffset(1)
self.assertFalse(provider1.equals(provider2))
provider2.setOffset(1)
self.assertTrue(provider1.equals(provider2))
provider1.setScale(11)
self.assertFalse(provider1.equals(provider2))
provider2.setScale(11)
self.assertTrue(provider1.equals(provider2))
provider1.setLayer(mesh_layer)
self.assertFalse(provider1.equals(provider2))
provider2.setLayer(mesh_layer)
self.assertTrue(provider1.equals(provider2))
def testPartialLabels(self):
"""
Test rendering map item with a show partial labels flag
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
# default should always be to hide partial labels
self.assertFalse(map.mapFlags() & QgsLayoutItemMap.ShowPartialLabels)
# hiding partial labels (the default)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# showing partial labels
map.setMapFlags(QgsLayoutItemMap.ShowPartialLabels)
checker = QgsLayoutChecker('composermap_show_partial_labels', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testIteration(self):
p = QgsProject()
vectorFileInfo = QFileInfo(unitTestDataPath() + "/france_parts.shp")
vector_layer = QgsVectorLayer(vectorFileInfo.filePath(),
vectorFileInfo.completeBaseName(), "ogr")
self.assertTrue(vector_layer.isValid())
p.addMapLayer(vector_layer)
l = QgsPrintLayout(p)
atlas = l.atlas()
atlas.setEnabled(True)
atlas.setCoverageLayer(vector_layer)
atlas_feature_changed_spy = QSignalSpy(atlas.featureChanged)
context_changed_spy = QSignalSpy(l.reportContext().changed)
self.assertTrue(atlas.beginRender())
self.assertTrue(atlas.first())
self.assertEqual(len(atlas_feature_changed_spy), 1)
self.assertEqual(len(context_changed_spy), 1)
self.assertEqual(atlas.currentFeatureNumber(), 0)
self.assertEqual(l.reportContext().feature()[4], 'Basse-Normandie')
self.assertEqual(l.reportContext().layer(), vector_layer)
f1 = l.reportContext().feature()
self.assertTrue(atlas.next())
self.assertEqual(len(atlas_feature_changed_spy), 2)
self.assertEqual(len(context_changed_spy), 2)
self.assertEqual(atlas.currentFeatureNumber(), 1)
self.assertEqual(l.reportContext().feature()[4], 'Bretagne')
f2 = l.reportContext().feature()
self.assertTrue(atlas.next())
self.assertEqual(len(atlas_feature_changed_spy), 3)
self.assertEqual(len(context_changed_spy), 3)
self.assertEqual(atlas.currentFeatureNumber(), 2)
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
f3 = l.reportContext().feature()
self.assertTrue(atlas.next())
self.assertEqual(len(atlas_feature_changed_spy), 4)
self.assertEqual(len(context_changed_spy), 4)
self.assertEqual(atlas.currentFeatureNumber(), 3)
self.assertEqual(l.reportContext().feature()[4], 'Centre')
f4 = l.reportContext().feature()
self.assertFalse(atlas.next())
self.assertTrue(atlas.seekTo(2))
self.assertEqual(len(atlas_feature_changed_spy), 5)
self.assertEqual(len(context_changed_spy), 5)
self.assertEqual(atlas.currentFeatureNumber(), 2)
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
self.assertTrue(atlas.last())
self.assertEqual(len(atlas_feature_changed_spy), 6)
self.assertEqual(len(context_changed_spy), 6)
self.assertEqual(atlas.currentFeatureNumber(), 3)
self.assertEqual(l.reportContext().feature()[4], 'Centre')
self.assertTrue(atlas.previous())
self.assertEqual(len(atlas_feature_changed_spy), 7)
self.assertEqual(len(context_changed_spy), 7)
self.assertEqual(atlas.currentFeatureNumber(), 2)
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
self.assertTrue(atlas.previous())
self.assertTrue(atlas.previous())
self.assertEqual(len(atlas_feature_changed_spy), 9)
self.assertFalse(atlas.previous())
self.assertEqual(len(atlas_feature_changed_spy), 9)
self.assertTrue(atlas.endRender())
self.assertEqual(len(atlas_feature_changed_spy), 10)
self.assertTrue(atlas.seekTo(f1))
self.assertEqual(l.reportContext().feature()[4], 'Basse-Normandie')
self.assertTrue(atlas.seekTo(f4))
self.assertEqual(l.reportContext().feature()[4], 'Centre')
self.assertTrue(atlas.seekTo(f3))
self.assertEqual(l.reportContext().feature()[4], 'Pays de la Loire')
self.assertTrue(atlas.seekTo(f2))
self.assertEqual(l.reportContext().feature()[4], 'Bretagne')
self.assertFalse(atlas.seekTo(QgsFeature(5)))
def testSaveLoadProject(self):
schema_uri = encode_uri(self.ds_uri, 'qgis_test')
project_uri = encode_uri(self.ds_uri, 'qgis_test', 'abc')
self.dropProjectsTable() # make sure we have a clean start
prj = QgsProject()
uri = self.vl.source()
vl1 = QgsVectorLayer(uri, 'test', 'postgres')
self.assertEqual(vl1.isValid(), True)
prj.addMapLayer(vl1)
prj_storage = QgsApplication.projectStorageRegistry(
).projectStorageFromType("postgresql")
self.assertTrue(prj_storage)
lst0 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst0, [])
# try to save project in the database
prj.setFileName(project_uri)
res = prj.write()
self.assertTrue(res)
lst1 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst1, ["abc"])
# now try to load the project back
prj2 = QgsProject()
prj2.setFileName(project_uri)
res = prj2.read()
self.assertTrue(res)
self.assertEqual(len(prj2.mapLayers()), 1)
self.assertEqual(prj2.baseName(), "abc")
self.assertEqual(prj2.absoluteFilePath(),
"") # path not supported for project storages
self.assertTrue(
abs(prj2.lastModified().secsTo(QDateTime.currentDateTime())) < 10)
# try to see project's metadata
res, metadata = prj_storage.readProjectStorageMetadata(project_uri)
self.assertTrue(res)
self.assertEqual(metadata.name, "abc")
time_project = metadata.lastModified
time_now = QDateTime.currentDateTime()
time_diff = time_now.secsTo(time_project)
self.assertTrue(abs(time_diff) < 10)
# try to remove the project
res = prj_storage.removeProject(project_uri)
self.assertTrue(res)
lst2 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst2, [])
self.dropProjectsTable(
) # make sure we have a clean finish... "leave no trace"
def testBlockingItems(self):
"""
Test rendering map item with blocking items
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl",
"memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly,
True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
map.setId('map')
layout.addLayoutItem(map)
map2 = QgsLayoutItemMap(layout)
map2.attemptSetSceneRect(QRectF(0, 5, 50, 80))
map2.setFrameEnabled(True)
map2.setBackgroundEnabled(False)
map2.setId('map2')
layout.addLayoutItem(map2)
map3 = QgsLayoutItemMap(layout)
map3.attemptSetSceneRect(QRectF(150, 160, 50, 50))
map3.setFrameEnabled(True)
map3.setBackgroundEnabled(False)
map3.setId('map3')
layout.addLayoutItem(map3)
map.addLabelBlockingItem(map2)
map.addLabelBlockingItem(map3)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_blockers', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
doc = QDomDocument("testdoc")
elem = layout.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
map_restore = [
i for i in l2.items()
if isinstance(i, QgsLayoutItemMap) and i.id() == 'map'
][0]
map2_restore = [
i for i in l2.items()
if isinstance(i, QgsLayoutItemMap) and i.id() == 'map2'
][0]
map3_restore = [
i for i in l2.items()
if isinstance(i, QgsLayoutItemMap) and i.id() == 'map3'
][0]
self.assertTrue(map_restore.isLabelBlockingItem(map2_restore))
self.assertTrue(map_restore.isLabelBlockingItem(map3_restore))
def testPartialLabels(self):
"""
Test rendering map item with a show partial labels flag
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl",
"memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates,
False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly,
True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
# default should always be to hide partial labels
self.assertFalse(map.mapFlags() & QgsLayoutItemMap.ShowPartialLabels)
# hiding partial labels (the default)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# showing partial labels
map.setMapFlags(QgsLayoutItemMap.ShowPartialLabels)
checker = QgsLayoutChecker('composermap_show_partial_labels', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
def testBlockingItems(self):
"""
Test rendering map item with blocking items
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
map.setId('map')
layout.addLayoutItem(map)
map2 = QgsLayoutItemMap(layout)
map2.attemptSetSceneRect(QRectF(0, 5, 50, 80))
map2.setFrameEnabled(True)
map2.setBackgroundEnabled(False)
map2.setId('map2')
layout.addLayoutItem(map2)
map3 = QgsLayoutItemMap(layout)
map3.attemptSetSceneRect(QRectF(150, 160, 50, 50))
map3.setFrameEnabled(True)
map3.setBackgroundEnabled(False)
map3.setId('map3')
layout.addLayoutItem(map3)
map.addLabelBlockingItem(map2)
map.addLabelBlockingItem(map3)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_blockers', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
doc = QDomDocument("testdoc")
elem = layout.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
map_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map'][0]
map2_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map2'][0]
map3_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map3'][0]
self.assertTrue(map_restore.isLabelBlockingItem(map2_restore))
self.assertTrue(map_restore.isLabelBlockingItem(map3_restore))
def test_nested_groups(self):
"""
Test logic relating to nested groups with group layers
"""
p = QgsProject()
layer = QgsVectorLayer("Point?field=fldtxt:string", "layer1", "memory")
p.addMapLayer(layer, False)
layer2 = QgsVectorLayer("Point?field=fldtxt:string", "layer2",
"memory")
p.addMapLayer(layer2, False)
layer3 = QgsVectorLayer("Point?field=fldtxt:string", "layer3",
"memory")
p.addMapLayer(layer3, False)
layer4 = QgsVectorLayer("Point?field=fldtxt:string", "layer4",
"memory")
p.addMapLayer(layer4, False)
group_node = p.layerTreeRoot().addGroup('my group')
group_node.addLayer(layer)
group_node.addLayer(layer2)
child_group = group_node.addGroup('child')
layer3_node = child_group.addLayer(layer3)
grandchild_group = child_group.addGroup('grandchild')
layer4_node = grandchild_group.addLayer(layer4)
self.assertEqual(p.layerTreeRoot().layerOrder(),
[layer, layer2, layer3, layer4])
self.assertEqual(p.layerTreeRoot().checkedLayers(),
[layer, layer2, layer3, layer4])
spy = QSignalSpy(p.layerTreeRoot().layerOrderChanged)
options = QgsGroupLayer.LayerOptions(QgsCoordinateTransformContext())
group_layer = group_node.convertToGroupLayer(options)
p.addMapLayer(group_layer, False)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[layer4, layer3, layer2, layer])
spy_count = len(spy)
self.assertEqual(spy_count, 1)
grandchild_group_layer = grandchild_group.convertToGroupLayer(options)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[grandchild_group_layer, layer3, layer2, layer])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
layer4_node.setItemVisibilityChecked(False)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[grandchild_group_layer, layer3, layer2, layer])
self.assertEqual(grandchild_group_layer.childLayers(), [])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
layer4_node.setItemVisibilityChecked(True)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[grandchild_group_layer, layer3, layer2, layer])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
grandchild_group.setItemVisibilityChecked(False)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(), [layer3, layer2, layer])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
grandchild_group.setItemVisibilityChecked(True)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[grandchild_group_layer, layer3, layer2, layer])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
child_group_layer = child_group.convertToGroupLayer(options)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(),
[grandchild_group_layer, layer3])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
layer4_node.setItemVisibilityChecked(False)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(),
[grandchild_group_layer, layer3])
self.assertEqual(grandchild_group_layer.childLayers(), [])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
layer4_node.setItemVisibilityChecked(True)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(),
[grandchild_group_layer, layer3])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
grandchild_group.setItemVisibilityChecked(False)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(), [layer3])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
grandchild_group.setItemVisibilityChecked(True)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(),
[grandchild_group_layer, layer3])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
layer3_node.setItemVisibilityChecked(False)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(),
[grandchild_group_layer])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
layer3_node.setItemVisibilityChecked(True)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(),
[grandchild_group_layer, layer3])
self.assertEqual(grandchild_group_layer.childLayers(), [layer4])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
grandchild_group.setGroupLayer(None)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[child_group_layer, layer2, layer])
self.assertEqual(child_group_layer.childLayers(), [layer4, layer3])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
child_group.setGroupLayer(None)
self.assertEqual(p.layerTreeRoot().layerOrder(), [group_layer])
self.assertEqual(p.layerTreeRoot().checkedLayers(), [group_layer])
self.assertEqual(group_layer.childLayers(),
[layer4, layer3, layer2, layer])
self.assertGreater(len(spy), spy_count)
spy_count = len(spy)
group_node.setGroupLayer(None)
self.assertEqual(p.layerTreeRoot().layerOrder(),
[layer, layer2, layer3, layer4])
self.assertEqual(p.layerTreeRoot().checkedLayers(),
[layer, layer2, layer3, layer4])
self.assertGreater(len(spy), spy_count)
def processAlgorithm(self, parameters, context, feedback):
project = QgsProject()
project.setFileName(
os.path.join(parameters[self.FOLDER], "all-outputs-qgis.qgs"))
project.setCrs(QgsCoordinateReferenceSystem('EPSG:27700'))
def getMaxValue(layer, fieldname):
maxfound = float("-inf")
for f in layer.getFeatures():
attr = f.attribute(fieldname)
assert attr >= 0
if attr > maxfound:
maxfound = attr
return maxfound
with open(
os.path.join(parameters[self.FOLDER],
"all-town-metadata.json")) as f:
metadata = json.load(f)
classmethods = {
'quantile': QgsClassificationQuantile,
'jenks': QgsClassificationJenks,
'equal': QgsClassificationEqualInterval
}
html = ""
output = []
views_sorted_by_mode = sorted(metadata["views"],
key=lambda v: v["mode"])
for view in views_sorted_by_mode:
keysymbol = u'🔑'
viewname = view["label"]
keysign = ""
if viewname.find(keysymbol) != -1:
viewname = viewname.replace(keysymbol, '', 1)
keysign = "*** "
viewname = keysign + view["mode"] + " " + viewname
html += f"""
<h2>{viewname}</h2>
{view["description"]}
<ul>
"""
for layer in view["layers"]:
layername = viewname + " - " + layer["scalar_field_units"]
layerpath = os.path.join(parameters[self.FOLDER],
layer["file"])
vlayer = QgsVectorLayer(layerpath, layername, "ogr")
if not vlayer.isValid():
feedback.pushInfo("Layer failed to load: " + layerpath)
else:
context.temporaryLayerStore().addMapLayer(vlayer)
html += f"""<li><b>file:</b> {layer["file"]}"""
if "symbol_field" in layer:
html += f"""<ul>
<li><b>symbol field:</b> {layer["symbol_field"]}
</ul>
"""
categories = []
scalar_fieldname = layer["scalar_field"]
maxvalue = getMaxValue(vlayer, scalar_fieldname)
feedback.pushInfo("Max value for %s is %f" %
(scalar_fieldname, maxvalue))
for formality in ["I", "F"]:
for severity, colour in [(3, 'red'), (2, 'yellow'),
(1, 'green')]:
colour = {
("I", "red"): "#FF0000",
("I", "yellow"): "#FFFF00",
("I", "green"): "#00FF00",
("F", "red"): "#FF9999",
("F", "yellow"): "#FFFF66",
("F", "green"): "#99FF99",
}[(formality, colour)]
symbol_code = "%s%d" % (formality, severity)
if formality == "F":
symbol = QgsMarkerSymbol.createSimple({
'color':
colour,
'size':
'3',
'outline_color':
'#888888'
})
else:
assert (formality == "I")
symbol = QgsMarkerSymbol.createSimple({
'color':
colour,
'size':
'3',
'outline_color':
'#000000',
'name':
'star'
})
objTransf = QgsSizeScaleTransformer(
QgsSizeScaleTransformer.Flannery,
0, #minvalue
maxvalue, #maxvalue
3, #minsize
10, #maxsize
0, #nullsize
1) #exponent
objProp = QgsProperty()
objProp.setField(scalar_fieldname)
objProp.setTransformer(objTransf)
symbol.setDataDefinedSize(objProp)
label = {
"F": "Formal",
"I": "Informal"
}[formality] + " " + {
3: "Major",
2: "Secondary",
1: "Tertiary"
}[severity]
cat = QgsRendererCategory(
symbol_code, symbol, label, True)
categories.append(cat)
renderer = QgsCategorizedSymbolRenderer(
"Crossings", categories)
renderer.setClassAttribute(layer["symbol_field"])
vlayer.setRenderer(renderer)
else:
html += f"""<ul>
<li><b>field:</b> {layer["scalar_field"]}
<li><b>units:</b> {layer["scalar_field_units"]}
<li><b>recommended classification:</b> {layer["classes"]}
</ul>
"""
default_style = QgsStyle().defaultStyle()
color_ramp = default_style.colorRamp('bt')
renderer = QgsGraduatedSymbolRenderer()
renderer.setClassAttribute(layer["scalar_field"])
classmethod = classmethods[layer["classes"]]()
renderer.setClassificationMethod(classmethod)
renderer.updateClasses(vlayer, 5)
renderer.updateColorRamp(color_ramp)
vlayer.setRenderer(renderer)
project.addMapLayer(vlayer)
feedback.pushInfo("Loaded " + layerpath)
html += "</ul>"
project.write()
town = views_sorted_by_mode[0]["town"]
with open(os.path.join(parameters[self.FOLDER], "metadata.html"),
"w") as htmlfile:
htmlfile.write(
f"<html><head><title>{town} metadata</title></head><body><h1>{town}</h1>{html}</body></html>"
)
return {self.OUTPUT: output}
def testClippingHideClipSource(self):
"""
When an item is set to be the clip source, it shouldn't render anything itself
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(30)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'XXXX'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Polygon?crs=epsg:4326&field=id:integer", "vl",
"memory")
props = {
"color": "127,255,127",
'outline_style': 'solid',
'outline_width': '1',
'outline_color': '0,0,255'
}
fillSymbol = QgsFillSymbol.createSimple(props)
renderer = QgsSingleSymbolRenderer(fillSymbol)
vl.setRenderer(renderer)
f = QgsFeature(vl.fields(), 1)
for x in range(0, 15, 3):
for y in range(0, 15, 3):
f.setGeometry(QgsGeometry(QgsPoint(x, y)).buffer(1, 3))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(False)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
shape = QgsLayoutItemShape(layout)
layout.addLayoutItem(shape)
shape.setShapeType(QgsLayoutItemShape.Ellipse)
shape.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.itemClippingSettings().setEnabled(True)
map.itemClippingSettings().setSourceItem(shape)
map.itemClippingSettings().setForceLabelsInsideClipPath(False)
map.itemClippingSettings().setFeatureClippingType(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
checker = QgsLayoutChecker('composermap_itemclip_nodrawsource', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
TestQgsLayoutMap.report += checker.report()
self.assertTrue(result, message)