本文整理汇总了Python中qgis.core.QgsVectorLayer.pendingFeatureCount方法的典型用法代码示例。如果您正苦于以下问题：Python QgsVectorLayer.pendingFeatureCount方法的具体用法？Python QgsVectorLayer.pendingFeatureCount怎么用？Python QgsVectorLayer.pendingFeatureCount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsVectorLayer的用法示例。
在下文中一共展示了QgsVectorLayer.pendingFeatureCount方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testRepack
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import pendingFeatureCount [as 别名]
def testRepack(self):
vl = QgsVectorLayer(u'{}|layerid=0'.format(self.repackfile), u'test', u'ogr')
ids = [f.id() for f in vl.getFeatures(QgsFeatureRequest().setFilterExpression('pk=1'))]
vl.setSelectedFeatures(ids)
assert vl.selectedFeaturesIds() == ids, vl.selectedFeaturesIds()
assert vl.pendingFeatureCount() == 5, vl.pendingFeatureCount()
assert vl.startEditing()
assert vl.deleteFeature(3)
assert vl.commitChanges()
assert vl.selectedFeatureCount() == 0 or vl.selectedFeatures()[0]['pk'] == 1示例2: createLayerWithOnePoint
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import pendingFeatureCount [as 别名]
def createLayerWithOnePoint():
layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer", "addfeat", "memory")
pr = layer.dataProvider()
f = QgsFeature()
f.setAttributes([QVariant("test"), QVariant(123)])
f.setGeometry(QgsGeometry.fromPoint(QgsPoint(100,200)))
assert pr.addFeatures([f])
assert layer.pendingFeatureCount() == 1
return layer示例3: createJoinLayer
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import pendingFeatureCount [as 别名]
def createJoinLayer():
joinLayer = QgsVectorLayer("Point?field=x:string&field=y:integer&field=z:integer", "joinlayer", "memory")
pr = joinLayer.dataProvider()
f1 = QgsFeature()
f1.setAttributes([QVariant("foo"), QVariant(123), QVariant(321)])
f1.setGeometry(QgsGeometry.fromPoint(QgsPoint(1,1)))
f2 = QgsFeature()
f2.setAttributes([QVariant("bar"), QVariant(456), QVariant(654)])
f2.setGeometry(QgsGeometry.fromPoint(QgsPoint(2,2)))
assert pr.addFeatures([f1, f2])
assert joinLayer.pendingFeatureCount() == 2
return joinLayer示例4: TestQgsTextEditWidget
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import pendingFeatureCount [as 别名]
class TestQgsTextEditWidget(TestCase):
@classmethod
def setUpClass(cls):
QgsEditorWidgetRegistry.initEditors()
def createLayerWithOnePoint(self):
self.layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer",
"addfeat", "memory")
pr = self.layer.dataProvider()
f = QgsFeature()
f.setAttributes(["test", 123])
f.setGeometry(QgsGeometry.fromPoint(QgsPoint(100,200)))
assert pr.addFeatures([f])
assert self.layer.pendingFeatureCount() == 1
return self.layer
def doAttributeTest(self,idx,expected):
reg = QgsEditorWidgetRegistry.instance()
configWdg = reg.createConfigWidget('TextEdit', self.layer, idx, None)
config = configWdg.config()
editwidget = reg.create('TextEdit', self.layer, idx, config, None, None )
editwidget.setValue('value')
assert editwidget.value() == expected[0]
editwidget.setValue(123)
assert editwidget.value() == expected[1]
editwidget.setValue(None)
assert editwidget.value() == expected[2]
editwidget.setValue(NULL)
assert editwidget.value() == expected[3]
def test_SetValue(self):
self.createLayerWithOnePoint()
self.doAttributeTest(0, ['value','123',NULL, NULL])
self.doAttributeTest(1, [NULL,123,NULL, NULL])示例5: createEmptyLayer
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import pendingFeatureCount [as 别名]
def createEmptyLayer():
layer = QgsVectorLayer("Point", "addfeat", "memory")
assert layer.pendingFeatureCount() == 0
return layer示例6: TestQgsTextEditWidget
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import pendingFeatureCount [as 别名]
class TestQgsTextEditWidget(unittest.TestCase):
@classmethod
def setUpClass(cls):
QgsEditorWidgetRegistry.initEditors()
def createLayerWithOnePoint(self):
self.layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer",
"addfeat", "memory")
pr = self.layer.dataProvider()
f = QgsFeature()
f.setAttributes(["test", 123])
f.setGeometry(QgsGeometry.fromPoint(QgsPoint(100, 200)))
assert pr.addFeatures([f])
assert self.layer.pendingFeatureCount() == 1
return self.layer
def doAttributeTest(self, idx, expected):
reg = QgsEditorWidgetRegistry.instance()
configWdg = reg.createConfigWidget('TextEdit', self.layer, idx, None)
config = configWdg.config()
editwidget = reg.create('TextEdit', self.layer, idx, config, None, None)
editwidget.setValue('value')
assert editwidget.value() == expected[0]
editwidget.setValue(123)
assert editwidget.value() == expected[1]
editwidget.setValue(None)
assert editwidget.value() == expected[2]
editwidget.setValue(NULL)
assert editwidget.value() == expected[3]
def test_SetValue(self):
self.createLayerWithOnePoint()
self.doAttributeTest(0, ['value', '123', NULL, NULL])
self.doAttributeTest(1, [NULL, 123, NULL, NULL])
def test_ValueRelation_representValue(self):
first_layer = QgsVectorLayer("none?field=foreign_key:integer",
"first_layer", "memory")
assert first_layer.isValid()
second_layer = QgsVectorLayer("none?field=pkid:integer&field=decoded:string",
"second_layer", "memory")
assert second_layer.isValid()
QgsMapLayerRegistry.instance().addMapLayer(second_layer)
f = QgsFeature()
f.setAttributes([123])
assert first_layer.dataProvider().addFeatures([f])
f = QgsFeature()
f.setAttributes([123, 'decoded_val'])
assert second_layer.dataProvider().addFeatures([f])
reg = QgsEditorWidgetRegistry.instance()
factory = reg.factory("ValueRelation")
self.assertIsNotNone(factory)
# Everything valid
config = {'Layer': second_layer.id(), 'Key': 'pkid', 'Value': 'decoded'}
self.assertEqual(factory.representValue(first_layer, 0, config, None, '123'), 'decoded_val')
# Code not find match in foreign layer
config = {'Layer': second_layer.id(), 'Key': 'pkid', 'Value': 'decoded'}
self.assertEqual(factory.representValue(first_layer, 0, config, None, '456'), '(456)')
# Missing Layer
config = {'Key': 'pkid', 'Value': 'decoded'}
self.assertEqual(factory.representValue(first_layer, 0, config, None, '456'), '(456)')
# Invalid Layer
config = {'Layer': 'invalid', 'Key': 'pkid', 'Value': 'decoded'}
self.assertEqual(factory.representValue(first_layer, 0, config, None, '456'), '(456)')
# Invalid Key
config = {'Layer': second_layer.id(), 'Key': 'invalid', 'Value': 'decoded'}
self.assertEqual(factory.representValue(first_layer, 0, config, None, '456'), '(456)')
# Invalid Value
config = {'Layer': second_layer.id(), 'Key': 'pkid', 'Value': 'invalid'}
self.assertEqual(factory.representValue(first_layer, 0, config, None, '456'), '(456)')
QgsMapLayerRegistry.instance().removeMapLayer(second_layer.id())
def test_RelationReference_representValue(self):
first_layer = QgsVectorLayer("none?field=foreign_key:integer",
"first_layer", "memory")
assert first_layer.isValid()
second_layer = QgsVectorLayer("none?field=pkid:integer&field=decoded:string",
"second_layer", "memory")
assert second_layer.isValid()
QgsMapLayerRegistry.instance().addMapLayers([first_layer, second_layer])
f = QgsFeature()
f.setAttributes([123])
assert first_layer.dataProvider().addFeatures([f])
f = QgsFeature()
#.........这里部分代码省略.........