Python importing class attributes into method local namespace

Question

I have been wondering for a while if there is easier way to assign class attributes to method local namespace. For example, in dosomething method, I explicitly make

Answer 1

You can easily solve this problem with a tradeoff, by storing the variables in a dictionary.

data = {}
copy_to_local_variables = ["a", "b", "c", "d"]
for var_name in copy_to_local_variables:
    data[var_name] = getattr(self, var_name)

(Though I am unable to understand why you need to copy class attributes to method local namespace)