Item 51: decorator isn't applied to `dict.__setitem__` method about effectivepython HOT 2 OPEN

>>> type(dict.__getitem__)
<class 'method_descriptor'>
>>> type(dict.__setitem__)
<class 'wrapper_descriptor'>

>>> isinstance(dict.__setitem__, types.WrapperDescriptorType)
True

import types

TRACE_TYPES = (
    types.MethodType,
    types.FunctionType,
    types.BuiltinFunctionType,
    types.BuiltinMethodType,
    types.MethodDescriptorType,
    types.ClassMethodDescriptorType,
    types.WrapperDescriptorType,
)

IGNORE_METHODS = (
    '__repr__',
    '__str__',
)

class TraceMeta(type):
    def __new__(meta, name, bases, class_dict):
        klass = super().__new__(meta, name, bases, class_dict)

        for key in dir(klass):
            if key in IGNORE_METHODS:
                continue

            value = getattr(klass, key)
            if not isinstance(value, TRACE_TYPES):
                continue

            wrapped = trace_func(value)
            setattr(klass, key, wrapped)

        return klass