The application of metaclasses
In this section, we will look at an example where we will create a metaclass that can automatically modify the user-defined method attributes of any branch class that is newly created. To test this, let us follow these steps:
- Create a metaclass with the name
BranchMetaclass
:class BranchMetaclass(type):
- Create a
__new__
method with class instance, class name, base classes, and attributes as its arguments. In the__new__
method, import theinspect
library, which can help inspect the input attributes:def __new__(classitself, classname, baseclasses, attributes): import inspect
- Create a new dictionary,
newattributes
:newattributes = {}
Iterate over the class attributes, check that the attributes...