137 lines
3.8 KiB
Python
137 lines
3.8 KiB
Python
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import _thread as thread
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import base64
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import datetime
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import hashlib
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import hmac
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import json
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from urllib.parse import urlparse
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import ssl
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from datetime import datetime
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from time import mktime
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from urllib.parse import urlencode
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from wsgiref.handlers import format_date_time
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import websocket # 使用websocket_client
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answer = ""
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class Ws_Param(object):
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# 初始化
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def __init__(self, APPID, APIKey, APISecret, Spark_url):
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self.APPID = APPID
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self.APIKey = APIKey
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self.APISecret = APISecret
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self.host = urlparse(Spark_url).netloc
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self.path = urlparse(Spark_url).path
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self.Spark_url = Spark_url
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# 生成url
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def create_url(self):
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# 生成RFC1123格式的时间戳
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now = datetime.now()
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date = format_date_time(mktime(now.timetuple()))
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# 拼接字符串
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signature_origin = "host: " + self.host + "\n"
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signature_origin += "date: " + date + "\n"
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signature_origin += "GET " + self.path + " HTTP/1.1"
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# 进行hmac-sha256进行加密
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signature_sha = hmac.new(self.APISecret.encode('utf-8'), signature_origin.encode('utf-8'),
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digestmod=hashlib.sha256).digest()
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signature_sha_base64 = base64.b64encode(signature_sha).decode(encoding='utf-8')
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authorization_origin = f'api_key="{self.APIKey}", algorithm="hmac-sha256", headers="host date request-line", signature="{signature_sha_base64}"'
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authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')
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# 将请求的鉴权参数组合为字典
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v = {
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"authorization": authorization,
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"date": date,
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"host": self.host
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}
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# 拼接鉴权参数，生成url
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url = self.Spark_url + '?' + urlencode(v)
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# 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
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return url
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# 收到websocket错误的处理
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def on_error(ws, error):
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print("### error:", error)
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# 收到websocket关闭的处理
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def on_close(ws,one,two):
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print(" ")
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# 收到websocket连接建立的处理
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def on_open(ws):
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thread.start_new_thread(run, (ws,))
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def run(ws, *args):
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data = json.dumps(gen_params(appid=ws.appid, domain= ws.domain,question=ws.question))
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ws.send(data)
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# 收到websocket消息的处理
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def on_message(ws, message):
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# print(message)
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data = json.loads(message)
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code = data['header']['code']
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if code != 0:
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print(f'请求错误: {code}, {data}')
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ws.close()
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else:
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choices = data["payload"]["choices"]
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status = choices["status"]
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content = choices["text"][0]["content"]
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print(content,end ="")
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global answer
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answer += content
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# print(1)
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if status == 2:
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ws.close()
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def gen_params(appid, domain,question):
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"""
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通过appid和用户的提问来生成请参数
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"""
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data = {
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"header": {
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"app_id": appid,
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"uid": "1234"
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},
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"parameter": {
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"chat": {
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"domain": domain,
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"temperature": 0.5,
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"max_tokens": 2048
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}
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},
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"payload": {
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"message": {
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"text": question
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}
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}
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}
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return data
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def main(appid, api_key, api_secret, Spark_url,domain, question):
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# print("星火:")
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wsParam = Ws_Param(appid, api_key, api_secret, Spark_url)
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websocket.enableTrace(False)
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wsUrl = wsParam.create_url()
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ws = websocket.WebSocketApp(wsUrl, on_message=on_message, on_error=on_error, on_close=on_close, on_open=on_open)
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ws.appid = appid
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ws.question = question
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ws.domain = domain
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ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})
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