utils.py 文件源码

def determine_boosts_weights(boosts=()):
    if not boosts:
        boosts = get_boosts()
    boosts = list(sorted(boosts, reverse=True))
    min_boost = boosts[-1]
    if len(boosts) <= WEIGHTS_COUNT:
        return list(zip_longest(boosts, WEIGHTS, fillvalue=min(min_boost, 0)))
    max_boost = boosts[0]
    boost_step = (max_boost - min_boost) / (WEIGHTS_COUNT - 1)
    return [(max_boost - (i * boost_step), weight)
            for i, weight in enumerate(WEIGHTS)]