Creating a decorators that belong to the class.

decorator_in_class.py

from functools import wraps

class _Decorator:
    """ Class Decorators"""

    @classmethod
    def func(cls, arg):
        def wrapper(fn):
            @wraps(fn)
            def wrap(self, *args, **kwargs):

                return fn(self, *args, **kwargs)
            return wrap
        return wrapper