def get_ip_address():

  #先獲取所有網(wǎng)絡(luò)接口
  SIOCGIFCONF = 0x8912
  SIOCGIFADDR = 0x8915
  BYTES = 4096     
  sck = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  names = array.array('B',b'\0' * BYTES)
  bytelen = struct.unpack('iL', fcntl.ioctl(sck.fileno(), SIOCGIFCONF, struct.pack('iL', BYTES, names.buffer_info()[0])))[0]
  namestr = names.tostring()
  ifaces = [namestr[i:i+32].split('\0', 1)[0] for i in range(0, bytelen, 32)]

  #再獲取每個(gè)接口的IP地址
  iplist = []
  for ifname in ifaces:
    ip = socket.inet_ntoa(fcntl.ioctl(sck.fileno(),SIOCGIFADDR,struct.pack('256s',ifname[:15]))[20:24])
    iplist.append(ifname+':'+ip)
  return iplist

def ip_send_mail(iptxt):

  #設(shè)置收件郵箱
  toaddrs = 'to@mail.com'
  #設(shè)置發(fā)送郵箱
  fromaddr = 'send@mail.com'

  #設(shè)置發(fā)送郵箱的賬號(hào)密碼
  username = 'your_sendmail@mail.com' 
  password = 'your_pass'

  #設(shè)置SMTP服務(wù)器、端口，根據(jù)你的郵箱設(shè)置，
  server = smtplib.SMTP('smtp.mail.com:25')
  #設(shè)置郵件正文，get_ip_address()返回的是list，要轉(zhuǎn)換成str
  ip = '\r\n'.join(iptxt)

  #設(shè)置郵件標(biāo)題和正文
  msg = MIMEText(ip,'plain', 'utf-8')
  msg['Subject'] = 'IP For RaspberryPi'
  msg['From'] = fromaddr
  msg['To'] = toaddrs

  #啟動(dòng)SMTP發(fā)送郵件
  server.ehlo()
  server.starttls()
  server.login(username,password)
  server.sendmail(fromaddr, toaddrs, msg.as_string())
  server.quit()

if __name__ == '__main__':

  #獲取IP
  iptxt = get_ip_address()
  #將IP存入文件，如果直接發(fā)送郵件，這步可以省略。
  ip_save_file(iptxt)  
  #將IP地址發(fā)送到指定郵箱
  ip_send_mail(iptxt)