本文整理汇总了Python中qgis.core.QgsRelationManager.relationsByName方法的典型用法代码示例。如果您正苦于以下问题：Python QgsRelationManager.relationsByName方法的具体用法？Python QgsRelationManager.relationsByName怎么用？Python QgsRelationManager.relationsByName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.QgsRelationManager的用法示例。
在下文中一共展示了QgsRelationManager.relationsByName方法的1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: test_relationByName
# 需要导入模块: from qgis.core import QgsRelationManager [as 别名]
# 或者: from qgis.core.QgsRelationManager import relationsByName [as 别名]
def test_relationByName(self):
""" test retrieving relations by name"""
manager = QgsRelationManager()
rels = manager.relationsByName('does not exist')
self.assertEqual(rels, [])
# add some relations
rel = self.createRelation()
rel.setId('rel1')
rel.setName('my relation')
assert rel.isValid()
manager.addRelation(rel)
rel = self.createRelation()
rel.setId('rel2')
rel.setName('dupe name')
assert rel.isValid()
manager.addRelation(rel)
rel = self.createRelation()
rel.setId('rel3')
rel.setName('dupe name')
assert rel.isValid()
manager.addRelation(rel)
rels = manager.relationsByName('does not exist')
self.assertEqual(rels, [])
rels = manager.relationsByName('my relation')
ids = [r.id() for r in rels]
self.assertEqual(set(ids), set(['rel1']))
# case insensitive
rels = manager.relationsByName('My RelAtion')
ids = [r.id() for r in rels]
self.assertEqual(set(ids), set(['rel1']))
# multiple results
rels = manager.relationsByName('dupe name')
ids = [r.id() for r in rels]
self.assertEqual(set(ids), set(['rel2', 'rel3']))