upai.py

import requests,bs4
from bs4 import BeautifulSoup

def gethtmltext(url):
    try:
        r = requests.get(url, timeout=30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ""



def fillunivlist(ulist,html):
    soup = BeautifulSoup(html,"html.parser")
    for tr in soup.find("tbody").children:
        if isinstance(tr,bs4.element.Tag):
            tds = tr("td")
            ulist.append([tds[0].string,tds[1].string,tds[2].string])



    pass



def printlist(ulist,num):
    tplt = "{0:^10}\t{1:{3}^10}\t{2:^10}"
    print(tplt.format("排名","学校名称","地区",chr(12288)))
    for i in range(num):
        u = ulist[i]
        print(tplt.format(u[0], u[1], u[2], chr(12288)))
    print("Suc" + str(num))


def main():
    uinfo = []
    url = "http://www.zuihaodaxue.com/zuihaodaxuepaiming2018.html"
    html = gethtmltext(url)
    fillunivlist(uinfo, html)
    printlist(uinfo, 20)
main()