def nested_reduce()

in summarize_from_feedback/utils/nested.py [0:0]

• 14 lines of code
• 5 McCabe index (conditional complexity)

def nested_reduce(list_of_nested, reducers):
    """Given list of nested dicts, returns a nested dict of reduced values

    f should be either a reducer function, or a nested dict, with values being reducer functions.
    """
    new_nested = {}
    for k in list_of_nested[0].keys():
        vals = [d[k] for d in list_of_nested]
        if isinstance(reducers, collections.abc.Callable):
            reducer = reducers
        else:
            assert isinstance(reducers, dict)
            reducer = reducers[k]
        if isinstance(list_of_nested[0][k], dict):
            new_nested[k] = nested_reduce(vals, reducer)
        else:
            new_nested[k] = reducer(vals)
    return new_nested