腾讯云-联网搜索API-调用Demo

import hashlib
import hmac
import json
import os
import time
from datetime import datetime, timezone

def get_tencent_authorization(secret_id, secret_key, service, host, action, timestamp, params):
    algorithm = "TC3-HMAC-SHA256"
    date = datetime.fromtimestamp(timestamp, tz=timezone.utc).strftime("%Y-%m-%d")
    # ************* 步骤 1：拼接规范请求串 *************
    http_request_method = "POST"
    canonical_uri = "/"
    canonical_querystring = ""
    ct = "application/json; charset=utf-8"
    payload = json.dumps(params)
    canonical_headers = "content-type:%s\nhost:%s\nx-tc-action:%s\n" % (ct, host, action.lower())
    signed_headers = "content-type;host;x-tc-action"
    hashed_request_payload = hashlib.sha256(payload.encode("utf-8")).hexdigest()
    canonical_request = (http_request_method + "\n" +
                         canonical_uri + "\n" +
                         canonical_querystring + "\n" +
                         canonical_headers + "\n" +
                         signed_headers + "\n" +
                         hashed_request_payload)
    # ************* 步骤 2：拼接待签名字符串 *************
    credential_scope = date + "/" + service + "/" + "tc3_request"
    hashed_canonical_request = hashlib.sha256(canonical_request.encode("utf-8")).hexdigest()
    string_to_sign = (algorithm + "\n" +
                      str(timestamp) + "\n" +
                      credential_scope + "\n" +
                      hashed_canonical_request)
    # ************* 步骤 3：计算签名 *************
    def sign(key, msg):
        return hmac.new(key, msg.encode("utf-8"), hashlib.sha256).digest()
    secret_date = sign(("TC3" + secret_key).encode("utf-8"), date)
    secret_service = sign(secret_date, service)
    secret_signing = sign(secret_service, "tc3_request")
    signature = hmac.new(secret_signing, string_to_sign.encode("utf-8"), hashlib.sha256).hexdigest()
    # ************* 步骤 4：拼接 Authorization *************
    authorization = (algorithm + " " +
                     "Credential=" + secret_id + "/" + credential_scope + ", " +
                     "SignedHeaders=" + signed_headers + ", " +
                     "Signature=" + signature)
    return authorization

if __name__ == "__main__":
    """"""
    secret_id = os.environ.get("TENCENTCLOUD_SECRET_ID")
    secret_key = os.environ.get("TENCENTCLOUD_SECRET_KEY")
    service = "wsa"
    host = "wsa.ap-chongqing.tencentcloudapi.com"
    endpoint = "https://" + host
    # region = "ap-chongqing"
    action = "SearchPro"
    timestamp = int(time.time())
    version = "2025-05-08"
    params = {"Query": "成龙最近有什么新电影"}
    authorization = get_tencent_authorization(
        secret_id,
        secret_key,
        service,
        host,
        action,
        timestamp,
        params
    )
    print(authorization)

import os
import time
import requests
from TencentcloudSignHelper import get_tencent_authorization

secret_id = os.environ.get("TENCENTCLOUD_SECRET_ID")
secret_key = os.environ.get("TENCENTCLOUD_SECRET_KEY")
service = "wsa"
host = "wsa.ap-chongqing.tencentcloudapi.com"
endpoint = "https://" + host
# region = "ap-chongqing"
action = "SearchPro"
timestamp = int(time.time())
version = "2025-05-08"
params = {"Query": "成龙最近有什么新电影"}

authorization = get_tencent_authorization(
        secret_id,
        secret_key,
        service,
        host,
        action,
        timestamp,
        params)
print("Authorization: ", authorization)
headers = {
    "X-TC-Action": action,
    "X-TC-Version": version,
    # "X-TC-Region": region,
    "X-TC-Timestamp": str(timestamp),
    "Authorization": authorization,
    "Content-Type": "application/json; charset=utf-8"
}
response = requests.post(url=endpoint, json=params, headers=headers)
print(response.text)