判断域名是http还是https

geturl.py

#!/usr/bin/python3
# coding: utf-8
# Author: EMo

import http.client,sys

def get_url(host):
    """ 将域名转换为URL（是否协议与WWW判断） """
    global datas
    conn = http.client.HTTPConnection(host,timeout=3)
    try:
        conn.request("HEAD",'')
    except Exception as TE:
        print(("1",host,TE))
        host = "www."+host
        conn = http.client.HTTPConnection(host,timeout=3)
        try:
            conn.request("HEAD",'')
        except Exception as TE:
            print(("2",host,TE))
    try:
        conn.getresponse()
        ret = "http://"+host
    except Exception as TE:
        print(("3",host,TE))
        ret = "https://"+host
    print(ret)
    return ret

if __name__ == "__main__":

    if len(sys.argv) > 1:
        host = sys.argv[1]
    else:
        host = "loveforkeeps.top"
    print(get_url(host))