本文整理汇总了Python中qgis.gui.QgsEditorWidgetRegistry.initEditors方法的典型用法代码示例。如果您正苦于以下问题：Python QgsEditorWidgetRegistry.initEditors方法的具体用法？Python QgsEditorWidgetRegistry.initEditors怎么用？Python QgsEditorWidgetRegistry.initEditors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.gui.QgsEditorWidgetRegistry的用法示例。
在下文中一共展示了QgsEditorWidgetRegistry.initEditors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: setUpClass
# 需要导入模块: from qgis.gui import QgsEditorWidgetRegistry [as 别名]
# 或者: from qgis.gui.QgsEditorWidgetRegistry import initEditors [as 别名]
def setUpClass(cls):
"""
Setup the involved layers and relations for a n:m relation
:return:
"""
QgsEditorWidgetRegistry.initEditors()
cls.dbconn = u'dbname=\'qgis_test\' host=localhost port=5432 user=\'postgres\' password=\'postgres\''
if 'QGIS_PGTEST_DB' in os.environ:
cls.dbconn = os.environ['QGIS_PGTEST_DB']
# Create test layer
cls.vl_b = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."books" sql=', 'test', 'postgres')
cls.vl_a = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."authors" sql=', 'test', 'postgres')
cls.vl_link = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."books_authors" sql=', 'test', 'postgres')
QgsMapLayerRegistry.instance().addMapLayer(cls.vl_b)
QgsMapLayerRegistry.instance().addMapLayer(cls.vl_a)
QgsMapLayerRegistry.instance().addMapLayer(cls.vl_link)
relMgr = QgsProject.instance().relationManager()
cls.rel_a = QgsRelation()
cls.rel_a.setReferencingLayer(cls.vl_link.id())
cls.rel_a.setReferencedLayer(cls.vl_a.id())
cls.rel_a.addFieldPair('fk_author', 'pk')
cls.rel_a.setRelationId('rel_a')
assert(cls.rel_a.isValid())
relMgr.addRelation(cls.rel_a)
cls.rel_b = QgsRelation()
cls.rel_b.setReferencingLayer(cls.vl_link.id())
cls.rel_b.setReferencedLayer(cls.vl_b.id())
cls.rel_b.addFieldPair('fk_book', 'pk')
cls.rel_b.setRelationId('rel_b')
assert(cls.rel_b.isValid())
relMgr.addRelation(cls.rel_b)
# Our mock QgsVectorLayerTools, that allow injecting data where user input is expected
cls.vltools = VlTools()
assert(cls.vl_a.isValid())
assert(cls.vl_b.isValid())
assert(cls.vl_link.isValid())