Accessing python dict using nested key lookup string

Question

I am looking to create a simple nested \"lookup\" mechanism in python, and wanted to make sure there wasn\'t already something somewhere hidden in the vast libraries in pyth

Answer 1

Recursion still works.

def walk_into( dict, key ):
    head, _, tail = key.partition('.')
    if tail:
        return walk_into( dict[head], tail )
    return dict, key
d, k = walk_into( my_dict, "root.secondary.user2" )

d[k] can be used for getting or putting a new value.