update_noip_ipv6.py

#pip install requests splinter
# TODO: add argparse
import shlex
import subprocess

import requests
import splinter


def get_ips(device):
    for line in subprocess.check_output(shlex.split('ip address show dev wlp2s0')).decode().splitlines():
        line = line.strip()
        if line.startswith('inet '):
            ipv4 = line.split()[1].split('/')[0]
        elif line.startswith('inet6 ') and 'global' in line:
            ipv6 = line.split()[1].split('/')[0]
    response = requests.get('https://api.ipify.org')
    return response.text, ipv6


username = 'XXX'
password = 'YYY'
subdomain = 'xxx.ddns.net'
new_ipv4, new_ipv6 = get_ips('eth0')

browser = splinter.Browser()
browser.visit('https://www.no-ip.com/login')
browser.fill('username', username)
browser.fill('password', password)
browser.find_by_name('Login').click()
browser.find_by_text('Active')[0].click()
browser.find_by_text(subdomain)[0].click()
browser.find_by_name('target')[-1].fill(new_ipv4)
browser.find_by_name('ipv6')[-1].fill(new_ipv6)
browser.find_by_xpath('//button[contains(@class, "btn-success")]')[-1].click()
browser.quit()