"""
@author: luojunhui
"""


def title_sim_v2(title_a, title_b, thredhold=0.8):
    if len(title_a) < 1 or len(title_b) < 1:
        return False
    set_a = set(title_a)
    set_b = set(title_b)
    set_cross = set_a & set_b
    set_union = set_a | set_b
    if not set_union:
        return False
    min_len = max(min(len(set_a), len(set_b)), 1)
    rate = len(set_cross) / min_len
    if rate >= thredhold:
        return True
    else:
        return False


def title_sim_v2_by_list(title_target, title_list):
    for title in title_list:
        sim_score = title_sim_v2(title_target, title)
        if sim_score:
            return True
    return False