Recursive Dictionary Get

recursive_dict_get.py

def recursive_dict_get(d, *keys, default_none=False):
    """Recursive dict get. Can take an arbitrary number of keys and returns an empty
    dict if any key does not exist. https://stackoverflow.com/a/28225747"""
    ret = reduce(lambda c, k: c.get(k, {}), keys, d)
    if default_none and ret == {}:
        return None
    else:
        return ret