from urllib.request import urlopen

from urllib.error import HTTPError

from bs4 import BeautifulSoup

import sys

def getLogo(url):

    try:

        html = urlopen(url)

    except HTTPError as e:

        print("url open exception:")

        print(e)

        return None

    try:

        bsObj = BeautifulSoup(html.read(), "html.parser")

        logo = bsObj.body.img

    except AttributeError as e:

        print("parse logo exception:")

        print(e)

        return None

    return logo

logo = getLogo("http://www.baidu2.com/nopage.html")

if logo == None:

    print("Logo could not be found")

else:

    print(logo)