#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2020-02-16 11:41
# @Author  : Lemon
# @File    : netutil.py
# @Software: PyCharm

import requests


def _getip_text(url):
    try:
        r = requests.get(url, headers={"User-Agent": 'curl/7.54.0'}, timeout=1)
        if r.status_code == 200:
            return {"ip": r.text.strip()}
    except:
        pass
    return {}


def getip(source=-1):
    ip = None
    hosts = [
        'http://icanhazip.com/',
        'http://ip.sb/',
        'http://ip.3322.net',
        'http://myip.dnsomatic.com/',
        'http://whatismyip.akamai.com/',
    ]
    if source == -1:
        try:
            r = requests.head('https://www.163.com', timeout=1)
            ip = r.headers.get('cdn-user-ip', None)
        except:
            pass
        if ip:
            return ip
        else:
            return getip(source + 1)
    else:
        if source == len(hosts):
            return None
        ip = _getip_text(hosts[source]).get('ip', None)
        if ip:
            return ip
        else:
            return getip(source + 1)


if __name__ == '__main__':
    ip = lambda: getip()

    for _ in range(10):
        if callable(ip):
            ip = ip()
        print(ip)