Metaclasses are more fragile than many people realize.
元类比很多人认识到的更加脆弱。
On the plus side, all issues for inherited _metaclass_ hooks and for custom metaclasses are handled
从好的方面看，继承的 _metaclass_钩子和自定义元类的所有问题都被解决了
The metaclasses being extended by the stereotype are specified on the Extensions tab in the Properties view.
元类被原型所扩展，是在属性视图Extensions 标检页完成的。
Of course, the guilt of the authors is obvious here: our earlier installments on metaclasses in Python helped popularize their usage.
当然，作者的过错也很明显：我们的关于Python 中的元类的前几部分 助长了这种做法的流行。
You feel that a custom metaclasses is overkill for the simple job of class initialization, and you would rather use a simpler solution.
您觉得对于类初始化这类简单的工作使用自定义元类是杀鸡用牛刀，所以想要使用一种更为简单的解决方案。
Stereotype S1 has two attributes (a1: Integer, and a2 : Boolean), extends Class and Actor metaclasses, and has constraint profileCons1.
StereotypeS1有两个属性（a1:整型,以及a2 :布尔类形）,扩展类和动作元类, 并且存在约束profileCons1。
I have some ideas for doing some tricky stuff with metaclasses in future library versions, and I might even work in properties and slots.
对于未来库版本中的元类，我有几个技巧方面的想法，而且我甚至可能使用特性和插槽。
I have some ideas for doing some tricky stuff with metaclasses in future library versions, and I might even work in properties and slots.
对于未来库版本中的元类，我有几个技巧方面的想法，而且我甚至可能使用特性和插槽。
应用推荐