sample.py 文件源码

def take_product(do_dict):
    '''
    this function takes some dictionary like:
        {key1:1, key2:[a,b], key3:[c,d]}
    and returns the dictionary:
        {key1:[1,1,1], key2[a,a,b,b,],key3[c,d,c,d]}
    computing the product of values
    '''
    values=[]
    for v in do_dict.values():
        if hasattr(v,'__iter__'):
            values.append(v)
        else:
            values.append([v])#allows scalar to be passed

    prod_values=np.vstack(product(*values))
    return {k:np.array(v) for k,v in zip(do_dict.keys(),zip(*prod_values))}