named_product.py

from itertools import product


def named_product(**kwargs):
    """
    Cartesian product of input iterables with keys.
    Due to how python handle kwargs, the order of the keys is not conserved.
    >>> dict(x=1, y='a') in list(named_product(x=[1, 2], y=['a', 'b']))
    True
    """
    yield from (dict(zip(kwargs.keys(), prod))
                for prod in product(*kwargs.values()))


if __name__ == '__main__':
    import doctest
    doctest.testmod()