def __contains__(self, key):
if self.aliased_object is None:
raise weakref.ReferenceError("Proxy is no longer valid")
return self.aliased_object.__contains__(key)
def __len__(self):
if self.aliased_object is None:
raise weakref.ReferenceError("Proxy is no longer valid")
return self.aliased_object.__len__()
def __setitem__(self, key, value):
if self.aliased_object is None:
raise weakref.ReferenceError("Proxy is no longer valid")
return self.aliased_object.__setitem__(key, value)
def __ipow__(self, other):
if self.aliased_object is None:
raise weakref.ReferenceError("Proxy is no longer valid")
return self.aliased_object.__ipow__(other)
def __call__(self, *args, **kwargs):
func = Ref.__call__(self)
if func is None:
raise weakref.ReferenceError('reference object is dead')
else:
return func(*args, **kwargs)
