Python程序设计作业20：crawler

[2019300993-艾碧纯]

from requests_html import HTMLSession


def crawler(books=[]):
    session = HTMLSession()
    url = 'https://www.qidian.com/rank/yuepiao/'
    r = session.get(url)

    names = {}
    j = 1
    for i in range(1, 21):
        xp = f'/html/body/div[1]/div[6]/div[2]/div[2]/div/div/ul/li[{i}]/div[2]/h2/a/text()'
        name = r.html.xpath(xp)

        if name[0] in books:
            names[name[0]] = j
            j += 1

    return names


print(crawler(['光阴之外', '夜的命名术', '明克街13号']))