Ai_Admin/MyApi/sparkAPI.py

# coding: utf-8
import _thread as thread
import os
import time
import base64

import base64
import datetime
import hashlib
import hmac
import json
from urllib.parse import urlparse
import ssl
from datetime import datetime
from time import mktime
from urllib.parse import urlencode
from wsgiref.handlers import format_date_time

import websocket

class Ws_Param(object):
    # 初始化
    def __init__(self, APPID, APIKey, APISecret, gpt_url):
        self.APPID = APPID
        self.APIKey = APIKey
        self.APISecret = APISecret
        self.host = urlparse(gpt_url).netloc
        self.path = urlparse(gpt_url).path
        self.gpt_url = gpt_url

    # 生成url
    def create_url(self):
        # 生成RFC1123格式的时间戳
        now = datetime.now()
        date = format_date_time(mktime(now.timetuple()))

        # 拼接字符串
        signature_origin = "host: " + self.host + "\n"
        signature_origin += "date: " + date + "\n"
        signature_origin += "GET " + self.path + " HTTP/1.1"

        # 进行hmac-sha256进行加密
        signature_sha = hmac.new(self.APISecret.encode('utf-8'), signature_origin.encode('utf-8'),
                                 digestmod=hashlib.sha256).digest()

        signature_sha_base64 = base64.b64encode(signature_sha).decode(encoding='utf-8')

        authorization_origin = f'api_key="{self.APIKey}", algorithm="hmac-sha256", headers="host date request-line", signature="{signature_sha_base64}"'

        authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')

        # 将请求的鉴权参数组合为字典
        v = {
            "authorization": authorization,
            "date": date,
            "host": self.host
        }
        # 拼接鉴权参数，生成url
        url = self.gpt_url + '?' + urlencode(v)
        # 此处打印出建立连接时候的url,参考本demo的时候可取消上方打印的注释，比对相同参数时生成的url与自己代码生成的url是否一致
        return url

# import openpyxl
# from concurrent.futures import ThreadPoolExecutor, as_completed
# import os


class SparkUtil(object):
    # 初始化
    def __init__(self):
        self.isClose = False
        self.data = ''

        appid = "cb0bb4de"
        api_secret = "MDI5MGNhOThlNTQxNTBhY2ZjODNkM2Fh"
        api_key = "dfd17a540cf52db34c98aac216a0473c"
        gpt_url = "wss://spark-api.xf-yun.com/v3.5/chat"
        domain = "generalv3.5"

        wsParam = Ws_Param(appid, api_key, api_secret, gpt_url)
        websocket.enableTrace(False)
        wsUrl = wsParam.create_url()

        self.ws = websocket.WebSocketApp(wsUrl, on_message=self.on_message, on_error=self.on_error,
                                         on_close=self.on_close,
                                         on_open=self.on_open)
        self.ws.appid = appid
        self.ws.domain = domain

    # 收到websocket错误的处理
    def on_error(self, ws, error):
        self.isClose = True
        print("###--- error:", error)

    # 收到websocket关闭的处理
    def on_close(self, ws,close_status_code, close_msg):
        self.isClose = True
        print("### closed ###------")

    # 获取数据
    def query_and_get_data(self, query):
        self.ws.query = query
        self.ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})
        while True:
            if self.isClose:
                self.isClose = False
                result = self.data
                self.data = ''
                return result

    # 收到websocket连接建立的处理
    def on_open(self, ws):
        thread.start_new_thread(self.run, (ws,))

    def run(self, ws, *args):
        data = json.dumps(self.gen_params(appid=ws.appid, query=ws.query, domain=ws.domain))
        ws.send(data)

    # 收到websocket消息的处理
    def on_message(self, ws, message):
        # print(message)
        data = json.loads(message)
        code = data['header']['code']
        if code != 0:
            print(f'请求错误: {code}, {data}')
            self.isClose = True
            ws.close()
        else:
            choices = data["payload"]["choices"]
            status = choices["status"]
            content = choices["text"][0]["content"]
            self.data += content
            print(content, end='')
            if status == 2:
                print("#### 关闭会话")
                self.isClose = True
                ws.close()


    def gen_params(self, appid, query, domain):
        """
        通过appid和用户的提问来生成请参数
        """

        data = {
            "header": {
                "app_id": appid,
                "uid": "文案助手",
                # "patch_id": []    #接入微调模型，对应服务发布后的resourceid
            },
            "parameter": {
                "chat": {
                    "domain": domain,
                    "temperature": 0.5,
                    "max_tokens": 4096,
                    "auditing": "default",
                }
            },
            "payload": {
                "message": {
                    "text": [{"role": "user", "content": query}]
                }
            }
        }
        return data


if __name__ == "__main__":
    data = SparkUtil().query_and_get_data("帮我写一篇一百字的作文")
    print(data)