【玩转腾讯云】【腾讯云机器翻译TMT】机器翻译入门

from tencentcloud.common import credential
from tencentcloud.common.profile.client_profile import ClientProfile
from tencentcloud.common.profile.http_profile import HttpProfile
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException 
from tencentcloud.tmt.v20180321 import tmt_client, models 
try: 
    cred = credential.Credential("你的SecretId", "你的SecretKey") 
    httpProfile = HttpProfile()
    httpProfile.endpoint = "tmt.tencentcloudapi.com"

    clientProfile = ClientProfile()
    clientProfile.httpProfile = httpProfile
    client = tmt_client.TmtClient(cred, "ap-beijing", clientProfile) 

    req = models.TextTranslateRequest()
    req.SourceText = "这里填写源文本"
    req.Source = "zh"
    req.Target = "en"
    req.ProjectId = 0

    resp = client.TextTranslate(req) 
    print(resp.to_json_string()) 

except TencentCloudSDKException as err: 
    print(err) 

import json
import time
from datetime import datetime
import hashlib
import hmac
import requests


def get_sign(host, timestamp, service, req_payload, secret_key, secret_id):
    service = service
    algorithm = "TC3-HMAC-SHA256"
    timestamp = int(timestamp)
    # timestamp = 1551113065
    date = datetime.utcfromtimestamp(timestamp).strftime("%Y-%m-%d")
    content_type = "application/json; charset=utf-8"
    signed_headers = "content-type;host"

    # ************* 步骤 1：拼接规范请求串 *************
    http_request_method = "POST"
    canonical_uri = "/"
    canonical_querystring = ""

    canonical_headers = "content-type:%s\nhost:%s\n" % (content_type, host)
    hashed_request_payload = hashlib.sha256(req_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)
    print(canonical_request)

    # ************* 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)
    print(string_to_sign)

    # ************* 步骤 3：计算签名 *************
    # 计算签名摘要函数
    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()
    print(signature)

    # ************* 步骤 4：拼接 Authorization *************
    authorization = (algorithm + " " +
                     "Credential=" + secret_id + "/" + credential_scope + ", " +
                     "SignedHeaders=" + signed_headers + ", " +
                     "Signature=" + signature)
    print("authorization:", authorization)
    return authorization


secret_id = "你的SecretId"
secret_key = "你的SecretKey"
host = "tmt.tencentcloudapi.com"
content_type = "application/json; charset=utf-8"
signed_headers = "content-type;host"

translate_url = "https://" + host

print("text translate url: %s" % translate_url)

Action = "TextTranslate"
Version = "2018-03-21"
Region = "ap-beijing"
Source = "zh"
Target = "en"
ProjectId = 0
q = "这里填写源文本"

post_data = {
    "Source": Source,
    "Target": Target,
    "ProjectId": ProjectId,
    "SourceText": q,
}

payload = json.dumps(post_data)
timestamp = time.time()
Authorization = get_sign(host, timestamp, "tmt", payload, secret_key, secret_id)
headers = {"X-TC-Action": Action,
           "X-TC-Region": Region,
           "X-TC-Timestamp": str(int(timestamp)),
           "X-TC-Version": Version,
           "Authorization": Authorization,
           "Content-Type": content_type,
           "host": host,
           "SignedHeaders": signed_headers}

r = requests.post(translate_url, headers=headers, verify=False, data=payload)
print(r)
print(r.content)