compare_table_predicate.py 文件源码

def difference(a, b):
    """
    Equivalent to A-B or A\B in set theory. Difference/Relative Complement
    :param a: First list of dicts
    :param b: Second list of dicts
    :return: List of elements in a but not in b
    """
    return list(filterfalse(lambda x: x in b, a))