def testSubsetAttributes(self):
req = QgsFeatureRequest()
self.assertFalse(req.subsetOfAttributes())
self.assertFalse(req.flags() & QgsFeatureRequest.SubsetOfAttributes)
req.setSubsetOfAttributes([1, 4])
self.assertEqual(req.subsetOfAttributes(), [1, 4])
self.assertTrue(req.flags() & QgsFeatureRequest.SubsetOfAttributes)
req.setNoAttributes()
self.assertEqual(req.subsetOfAttributes(), [])
self.assertTrue(req.flags() & QgsFeatureRequest.SubsetOfAttributes)
req.setSubsetOfAttributes([])
self.assertFalse(req.subsetOfAttributes())
self.assertTrue(req.flags() & QgsFeatureRequest.SubsetOfAttributes)
req.setFlags(QgsFeatureRequest.Flags())
f = QgsFields()
f.append(QgsField('a', QVariant.String))
f.append(QgsField('b', QVariant.String))
f.append(QgsField('c', QVariant.String))
req.setSubsetOfAttributes(['a', 'c'], f)
self.assertEqual(req.subsetOfAttributes(), [0, 2])
self.assertTrue(req.flags() & QgsFeatureRequest.SubsetOfAttributes)
def __init__(self, plugin):
"""Tool initialization"""
QgsMapTool.__init__(self, plugin.canvas)
self.canvas = plugin.canvas
self.plugin = plugin
self.featuresFound = []
self.ixFeature = 0
self.__pos = None
self.chooserDlg = None
self.request = QgsFeatureRequest()
self.request.setFlags(
QgsFeatureRequest.Flags(QgsFeatureRequest.NoGeometry
| QgsFeatureRequest.ExactIntersect))
