def tesRegisterSameProviderTwice(self):
"""Test that a provider cannot be registered twice"""
r = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(PyProvider.providerKey(),
PyProvider.description(),
PyProvider.createProvider)
self.assertFalse(r.registerProvider(metadata))
def setUpClass(cls):
"""Run before all tests"""
# Register the provider
r = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(PyProvider.providerKey(), PyProvider.description(), PyProvider.createProvider)
assert r.registerProvider(metadata)
assert r.providerMetadata(PyProvider.providerKey()) == metadata
# Create test layer
cls.vl = cls.createLayer()
assert (cls.vl.isValid())
cls.source = cls.vl.dataProvider()
# poly layer
cls.poly_vl = QgsVectorLayer('Polygon?crs=epsg:4326&field=pk:integer&key=pk',
'test', 'pythonprovider')
assert (cls.poly_vl.isValid())
cls.poly_provider = cls.poly_vl.dataProvider()
f1 = QgsFeature()
f1.setAttributes([1])
f1.setGeometry(QgsGeometry.fromWkt('Polygon ((-69.03664108 81.35818902, -69.09237722 80.24346619, -73.718477 80.1319939, -73.718477 76.28620011, -74.88893598 76.34193625, -74.83319983 81.35818902, -69.03664108 81.35818902))'))
f2 = QgsFeature()
f2.setAttributes([2])
f2.setGeometry(QgsGeometry.fromWkt('Polygon ((-67.58750139 81.1909806, -66.30557012 81.24671674, -66.30557012 76.89929767, -67.58750139 76.89929767, -67.58750139 81.1909806))'))
f3 = QgsFeature()
f3.setAttributes([3])
f3.setGeometry(QgsGeometry.fromWkt('Polygon ((-68.36780737 75.78457483, -67.53176524 72.60761475, -68.64648808 73.66660144, -70.20710006 72.9420316, -68.36780737 75.78457483))'))
f4 = QgsFeature()
f4.setAttributes([4])
cls.poly_provider.addFeatures([f1, f2, f3, f4])
def register_data_provider():
metadata = QgsProviderMetadata(
EarthEngineRasterDateProvider.providerKey(),
EarthEngineRasterDateProvider.description(),
EarthEngineRasterDateProvider.createProvider)
registry = qgis.core.QgsProviderRegistry.instance()
registry.registerProvider(metadata)
QgsMessageLog.logMessage('EE provider registered')
def register_django_provider():
registry = QgsProviderRegistry.instance()
if registry.providerMetadata(DjangoProvider.providerKey()):
# already registered
return
metadata = QgsProviderMetadata(DjangoProvider.providerKey(),
DjangoProvider.description(),
DjangoProvider.createProvider)
if not registry.registerProvider(metadata) or registry.providerMetadata(
DjangoProvider.providerKey()) != metadata:
raise Exception('Cannot register Django provider')
def setUp(self):
model = Point
generate_data(model=model, count=5)
print('QGIS settings: %s' % QgsApplication.showSettings())
registry = QgsProviderRegistry.instance()
metadata = QgsProviderMetadata(DjangoProvider.providerKey(),
DjangoProvider.description(),
DjangoProvider.createProvider)
self.assertTrue(registry.registerProvider(metadata))
self.assertTrue(
registry.providerMetadata(DjangoProvider.providerKey()) ==
metadata)
def __init__(self, iface):
self.iface = iface
self.plugin_dir = os.path.dirname(__file__)
# Register all actions for cleanup on plugin unload.
self.actions = []
self.menu = 'QGIS-ROS'
self.toolbar = self.iface.addToolBar('QGIS-ROS')
self.toolbar.setObjectName('QGIS-ROS')
# Register the ROS vector data provider.
metadata = QgsProviderMetadata(ROSVectorProvider.providerKey(),
ROSVectorProvider.description(),
ROSVectorProvider.createProvider)
QgsProviderRegistry.instance().registerProvider(metadata)
# Eager init dialogs and preserve state when re-opened in the future.
self.bagFileDialog = BagfileDialog()
self.rosMasterDialog = ROSMasterDialog()