README.md

1.替换上你DNSPOD的Email，密码,就可以运行了 2.把/usr/bin/python /home/pi/pypod.py 放到/etc/rc.local中，开机即可自动运行 3.后台一直运行，每隔600秒检查一遍IP是否改变，如果修改了就更新IP。

我的树莓派搭建的动态DNS网站 http://pi.mithinking.com

pypod.py

#!/usr/bin/env python
#-*- coding:utf-8 -*-
# 2013/5/18 By fallenleaf
import httplib, urllib
import socket
import time
import json

params = dict(
    login_email="email", # replace with your email
    login_password="password",      # replace with your password,WDH
    format="json",
    domain_id=0,                        # auto get domain_id
    record_id=0,                        # auto get record_id
    domain_name="mithinking.com",       # replace with your domain name
    sub_domain="pi",                    # replace with your sub_domain
    record_type="A",                    # record type
    value = '',                         # auto get the IP
    record_line="默认"                  
)
current_ip = None

def get_domain_id():
    keys = ["login_email", "login_password","format"]
    domain_param = { k:v for k,v in params.iteritems() if k in keys }
    headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/json"}
    conn = httplib.HTTPSConnection("dnsapi.cn")
    conn.request("POST", "/Domain.List", urllib.urlencode(domain_param), headers)
    response = conn.getresponse()
    print response.status, response.reason
    data = json.loads(response.read())
    print data
    domain_id = 0
    for each in data['domains']:
        if each['name'].decode('ascii')==params['domain_name']:
           domain_id = each['id']
           break
    conn.close()
    return domain_id



def get_sub_domain_id():
    keys = ["login_email", "login_password","format","sub_domain","domain_id"]
    sub_domain_param = { k:v for k,v in params.iteritems() if k in keys }
    headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/json"}
    conn = httplib.HTTPSConnection("dnsapi.cn")
    conn.request("POST", "/Record.List", urllib.urlencode(sub_domain_param), headers)
    response = conn.getresponse()
    print response.status, response.reason
    data = json.loads(response.read())
    print data
    sub_domain_id = 0
    if data['status']['code'].decode('ascii') == '1':
        for each in data['records']:
            if each['name'].decode('ascii')==params['sub_domain']:
                sub_domain_id  = each['id']
                break
    conn.close()
    return sub_domain_id


def add_sub_domain():
    keys = ["login_email", "login_password","format","sub_domain","domain_id","record_type","record_line","value"]
    sub_domain_param = { k:v for k,v in params.iteritems() if k in keys }
    headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/json"}
    conn = httplib.HTTPSConnection("dnsapi.cn")
    conn.request("POST", "/Record.Create", urllib.urlencode(sub_domain_param), headers)
    response = conn.getresponse()
    print response.status, response.reason
    data = json.loads(response.read())
    print data
    conn.close()
    sub_domain_id = 0
    if data['status']['code'].decode('ascii') == '1':
        sub_domain_id  = data['record']['id'].decode('ascii')
    conn.close()
    return sub_domain_id


def ddns(ip):
    keys = ["login_email", "login_password","format","sub_domain","domain_id","record_line","value","record_id"]
    sub_domain_param = { k:v for k,v in params.iteritems() if k in keys }
    headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/json"}
    conn = httplib.HTTPSConnection("dnsapi.cn")
    conn.request("POST", "/Record.Ddns", urllib.urlencode(sub_domain_param), headers)
    response = conn.getresponse()
    print response.status, response.reason
    data = response.read()
    print data
    conn.close()
    return response.status == 200

def getip():
    sock = socket.create_connection(('ns1.dnspod.net', 6666))
    ip = sock.recv(16)
    sock.close()
    return ip

if __name__ == '__main__':
    params['value'] = getip()
    domain_id = get_domain_id();
    print params['domain_name']+"  domain ID: "+str(domain_id)
    if domain_id<>params['domain_id']:
        params['domain_id'] = domain_id
    record_id = get_sub_domain_id()
    print params['sub_domain']+"  record ID: "+str(record_id)
    if record_id ==0:
        record_id = add_sub_domain()
        print params['sub_domain']+" new record ID: "+str(record_id)
    params['record_id'] = record_id
    while True:
        try:
            ip = getip()
            if current_ip != ip:
                if ddns(ip):
                    current_ip = ip
                    print 'current IP is '+ current_ip 
        except Exception, e:
            print e
            pass
        time.sleep(600)