Function _shadowed_dict

Lib/inspect.py:1737–1747

(klass)

def _shadowed_dict(klass):
    # gh-118013: the inner function here is decorated with lru_cache for
    # performance reasons, *but* make sure not to pass strong references
    # to the items in the mro. Doing so can lead to unexpected memory
    # consumption in cases where classes are dynamically created and
    # destroyed, and the dynamically created classes happen to be the only
    # objects that hold strong references to other objects that take up a
    # significant amount of memory.
    return _shadowed_dict_from_weakref_mro_tuple(
        *[make_weakref(entry) for entry in _static_getmro(klass)]
    )


def getattr_static(obj, attr, default=_sentinel):