本文整理汇总了Python中Engine.Engine.parts方法的典型用法代码示例。如果您正苦于以下问题：Python Engine.parts方法的具体用法？Python Engine.parts怎么用？Python Engine.parts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Engine.Engine的用法示例。
在下文中一共展示了Engine.parts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: testCascadeWithRequiredBackRef
# 需要导入模块: from Engine import Engine [as 别名]
# 或者: from Engine.Engine import parts [as 别名]
def testCascadeWithRequiredBackRef(store):
"""See also: Classes.csv Engine & Engine Part
The deal is that deleting an Engine should delete all its EngineParts
via the cascade set on the parts list attribute. Previously, there was
a bug with this if the back ref attr (EnginePart.engine in this case)
was required (isRequired=True).
"""
from Engine import Engine
from EnginePart import EnginePart
e = Engine()
store.addObject(e)
store.saveChanges()
e.addToParts(EnginePart())
e.addToParts(EnginePart())
e.addToParts(EnginePart())
store.saveChanges()
assert e.parts()
store._verboseDelete = 1
store.deleteObject(e)
store.saveChanges()