import hashlib
import codecs
from bs4 import BeautifulSoup
import re

def getHtmlText(sourceHtml):
    _text = BeautifulSoup(sourceHtml,"lxml").get_text()
    _text = re.sub("\s*",'',_text)
    if len(_text)==0:
        _text = sourceHtml
    return _text

def getMD5(sourceHtml):
    if sourceHtml is not None and len(sourceHtml)>0:
        _text = getHtmlText(sourceHtml)
        if isinstance(_text,str):
            bs = _text.encode()
        elif isinstance(_text,bytes):
            bs = _text
        else:
            return ""
        md5 = hashlib.md5()
        md5.update(bs)
        return md5.hexdigest()
    return ""

def getFingerprint(sourceHtml):
    md5 = getMD5(sourceHtml)
    if md5!="":
        _fingerprint = "md5=%s"%(md5)
    else:
        _fingerprint = ""
    return _fingerprint

if __name__=="__main__":
    sourceHtml = codecs.open("C:\\Users\\User\\Desktop\\2.html","rb",encoding="utf8").read()
    # sourceHtml = "abcddafafffffffffffffffffffffffff你"
    print(getFingerprint(sourceHtml))