import re,chardet,platform,subprocess,socket
def ping(host='', version=None):
    def sh(cmd='', timeout=None):
        try:
            result = subprocess.run(
                cmd, shell=True,
                stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, timeout=timeout)
            if result.stdout:
                return result.stdout.decode(chardet.detect(result.stdout)["encoding"] or 'UTF-8')
            return ''
        except:
            return ''
    match version:
        case 4 | 6:
            versionCh = ' -' + str(version)
        case _:
            versionCh = ''
    match platform.system():
        case 'Windows':
            result = sh('chcp 65001 && ping -n 1' + versionCh + ' ' + host, timeout=5)
        case _:
            result = sh('ping -c 1' + versionCh + ' ' + host, timeout=5)
    delayList = re.findall('([0-9.]+)[\s]?ms*',result)
    if len(delayList) == 0:
        return False
    else:
        return round(float(delayList[0]),1)

def resolve(host=''):
    try:
        addrLst = socket.getaddrinfo(host, None)
    except:
        addrLst = []
    inetLst = []
    for value in addrLst:
        match value[0]:
            case socket.AddressFamily.AF_INET6:
                t = 'IPv6'
            case _:
                t = 'IPv4'
        inetLst.append([t, value[4][0]])
    return inetLst

if __name__ == '__main__':
    # Example.
    print('PING:',ping('www.baidu.com'),'ms')
    # Example.
    print(resolve('dns.google'))