如何自动绑定二级域名

import requests
import json

# 腾讯云DNS API配置
secret_id = 'your_secret_id'
secret_key = 'your_secret_key'
domain = 'example.com'
subdomain = 'blog'

# 获取临时密钥
def get_temp_key():
    url = 'https://sts.tencentcloudapi.com/'
    payload = {
        "DurationSeconds": 1800,
        "Policy": "{\"version\":\"2.0\",\"statement\":[{\"action\":[\"cvm:DescribeInstances\"],\"effect\":\"allow\",\"resource\":[\"*\"]}]}",
        "Region": "ap-guangzhou"
    }
    headers = {
        'Content-Type': 'application/json',
        'Authorization': 'TC3-HMAC-SHA256 Credential=' + secret_id + '/2019-01-01/cvm/tc3_request, SignedHeaders=content-type;host;x-tc-action;x-tc-timestamp, Signature=xxxx'
    }
    response = requests.post(url, headers=headers, data=json.dumps(payload))
    return json.loads(response.text)['Credentials']

# 绑定二级域名
def bind_subdomain():
    temp_key = get_temp_key()
    url = 'https://dns.tencentcloudapi.com/'
    payload = {
        "Action": "CreateRecord",
        "Version": "2018-03-10",
        "Region": "ap-guangzhou",
        "SubDomain": subdomain + '.' + domain,
        "RecordType": "CNAME",
        "Value": "example.com.w.alikunlunlcdn.com",
        "TTL": 600
    }
    headers = {
        'Content-Type': 'application/json',
        'Authorization': 'TC3-HMAC-SHA256 Credential=' + temp_key['SessionToken'] + '/2018-03-10/dns/tc3_request, SignedHeaders=content-type;host;x-tc-action;x-tc-timestamp, Signature=xxxx'
    }
    response = requests.post(url, headers=headers, data=json.dumps(payload))
    return response.json()

# 执行绑定操作
result = bind_subdomain()
print(result)