闲暇之余，在家里自建了个服务器，因为用的小区宽带，ip位动态分配。域名解析就是个问题，我的域名一般停放在dnspod下。dnspod有提供修改的api，就用python简单的实现了一下动态解析。这样，就不用安装花生壳了。 废话不说，看代码：
#!/usr/bin/env python
#-*- coding:utf-8 -*-
import httplib, urllib, urllib2
import time
import sys,os
import re
import json
username = ‘xxxx’ #账号
password = ‘xxx’ #密码
format = ‘json’
domain = [u’www.youdomain.com’] #要解析的域名
def get_domain_info(domain):
domain_split = domain.split(‘.’)
domain_split_len = len(domain_split)
maindomain = domain_split[domain_split_len – 2] + ‘.’ + domain_split[domain_split_len – 1]
return maindomain,domain
params = {‘login_email’:username,’login_password’:password,’format’:format}
def request(action, params, method = ‘post’):
headers = {“content-type”: “application/x-www-form-urlencoded”, “accept”: “text/json”}
conn = httplib.httpsconnection(“dnsapi.cn”)
conn.request(method, ‘/’ + action, urllib.urlencode(params), headers)
response = conn.getresponse()
data = response.read()
conn.close()
if response.status == 200:
return data
else:
return none
def get_my_domain_id():
data = request(‘domain.list’,params)
data = json.loads(data)
domainlist = data.get(‘domains’)
domaninfo = {}
for d in domainlist:
domaninfo[d.get(‘name’)] = d.get(‘id’)
return domaninfo
def get_my_domain_record_id(domain_id):
params[‘domain_id’] = domain_id
data = request(‘record.list’,params)
data = json.loads(data)
if data.get(‘code’) == ’10’:
return none
domainname = data.get(‘domain’).get(‘name’)
record_list = data.get(‘records’)
record = {}
for r in record_list:
if r.get(‘type’) == ‘a’:
key = r.get(‘name’) != ‘@’ and r.get(‘name’) + ‘.’ + domainname or domainname
record[key] = {‘id’:r.get(‘id’),’value’:r.get(‘value’)}
return record
def changerecord(domain,domain_id,record_id,ip):
params[‘domain_id’] = domain_id
params[‘record_id’] = record_id
params[‘record_type’] = ‘a’
params[‘record_line’] = ‘默认’
params[‘sub_domain’] = domain
params[‘ttl’] = 600
params[‘value’] = ip
data = request(‘record.modify’,params)
def getip():
url = ‘http://iframe.ip138.com/ic.asp’
response = urllib2.urlopen(url)
text = response.read()
ip = re.findall(r’\d+.\d+.\d+.\d+’, text)
return ip[0] or none
def updatedomaininfo(domain):
m,sub_m = get_domain_info(domain)
domain_id = my_domain_id_list.get(m)
record_list = get_my_domain_record_id(domain_id)
if record_list == none:
return none
rocord_info = record_list.get(sub_m)
record_ip = rocord_info.get(‘value’)
record_id = rocord_info.get(‘id’)
return sub_m,record_ip,record_id,domain_id
if __name__ == ‘__main__’:
my_domain_id_list = get_my_domain_id()
try:
for dm in domain:
domaindata = updatedomaininfo(dm)
if domaindata == none:
continue
dnsdomain,dnsdmainip,record_id,domain_id = domaindata
domain_name = dnsdomain.split(‘.’)[0]
ip = getip()
if ip == dnsdmainip:
continue
else:
changerecord(domain_name,domain_id,record_id,ip)
except:
pass