def cookies2dict(cookie):
    """从浏览器或者request headers中拿到cookie字符串，提取为字典格式的cookies"""
    cookies = dict([l.strip().split("=", 1) for l in cookie.split(";") if l])
    return cookies

if __name__ == "__main__":
    cookie = "__trackId=151539619154927; Hm_lvt_5a727f1b4acc5725516637e03b07d3d2=1514513175,1514945507; _ga=GA1.2.814216675.1514513179; __city=suzhou; Hm_lpvt_5a727f1b4acc5725516637e03b07d3d2=1514972628; __s=40lhpg0m0r2sm2541lvar3m9p3;"
    print cookies2dict(cookie)