Accessing an attribute of a multiprocessing Proxy of a class

Question

I have a class that I want to share in a read-only fashion with children processes in a pool, so I prepared a proxy of a class but it didn\'t work. The following is a simpli

Answer 1

This is an example of passing parameters (example: __getitem__) or not (example: __len__):

class TestProxy(NamespaceProxy):
    _exposed_ = ('__getattribute__', '__setattr__', '__delattr__','__len__','__getitem__')

    def __len__(self):
        callmethod = object.__getattribute__(self, '_callmethod')
        return callmethod('__len__')
    def __getitem__(self,index):
        callmethod = object.__getattribute__(self, '_callmethod')
        return callmethod('__getitem__',(index,))