def testSublayerDetails(self):
ept_provider_metadata = QgsProviderRegistry.instance(
).providerMetadata('ept')
ogr_provider_metadata = QgsProviderRegistry.instance(
).providerMetadata('ogr')
if ept_provider_metadata is not None:
# test querying a uri which should be blocklisted
self.assertFalse(QgsProviderRegistry.instance().querySublayers(
unitTestDataPath() +
'/point_clouds/ept/sunshine-coast/ept-build.json'))
if ept_provider_metadata is not None and ogr_provider_metadata is not None:
# test querying a uri which is technically capable of being opened by two providers, but which one provider is preferred
# in this case we are testing a ept.json file, which should ALWAYS be treated as a ept point cloud layer even though
# the OGR provider CAN technically open json files
# when we directly query ogr provider metadata it should report sublayers for the json file...
self.assertEqual([
l.providerKey() for l in ogr_provider_metadata.querySublayers(
unitTestDataPath() +
'/point_clouds/ept/sunshine-coast/ept.json',
Qgis.SublayerQueryFlags(Qgis.SublayerQueryFlag.FastScan))
], ['ogr'])
# ...and when we query ept provider metadata directly it should also report sublayers for ept.json files...
self.assertEqual([
l.providerKey() for l in ept_provider_metadata.querySublayers(
unitTestDataPath() +
'/point_clouds/ept/sunshine-coast/ept.json',
Qgis.SublayerQueryFlags(Qgis.SublayerQueryFlag.FastScan))
], ['ept'])
# ... but when we query the provider registry itself, it should ONLY report the ept provider sublayers
self.assertEqual([
l.providerKey()
for l in QgsProviderRegistry.instance().querySublayers(
unitTestDataPath() +
'/point_clouds/ept/sunshine-coast/ept.json',
Qgis.SublayerQueryFlags(Qgis.SublayerQueryFlag.FastScan))
], ['ept'])
provider1 = TestProviderMetadata('p1')
provider2 = TestProviderMetadata('p2')
self.assertFalse(
QgsProviderRegistry.instance().querySublayers('test_uri'))
self.assertTrue(
QgsProviderRegistry.instance().registerProvider(provider1))
self.assertTrue(
QgsProviderRegistry.instance().registerProvider(provider2))
self.assertCountEqual([
p.providerKey()
for p in QgsProviderRegistry.instance().querySublayers('test_uri')
], ['p1', 'p2'])
def querySublayers(self,
uri: str,
flags=Qgis.SublayerQueryFlags(),
feedback=None):
res = QgsProviderSublayerDetails()
res.setProviderKey(self.key())
return [res]
def querySublayers(self,
uri: str,
flags=Qgis.SublayerQueryFlags(),
feedback=None):
res = QgsProviderSublayerDetails()
res.setProviderKey(self.key())
res.setUri(uri)
res.setName(QgsProviderUtils.suggestLayerNameFromFilePath(uri))
return [res]
