API Demo

.gitignore

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+#.idea/

SparkApi.py

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+import _thread as thread
+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  # 使用websocket_client
+answer = ""
+
+class Ws_Param(object):
+    # 初始化
+    def __init__(self, APPID, APIKey, APISecret, Spark_url):
+        self.APPID = APPID
+        self.APIKey = APIKey
+        self.APISecret = APISecret
+        self.host = urlparse(Spark_url).netloc
+        self.path = urlparse(Spark_url).path
+        self.Spark_url = Spark_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.Spark_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
+
+
+# 收到websocket错误的处理
+def on_error(ws, error):
+    print("### error:", error)
+
+
+# 收到websocket关闭的处理
+def on_close(ws,one,two):
+    print(" ")
+
+
+# 收到websocket连接建立的处理
+def on_open(ws):
+    thread.start_new_thread(run, (ws,))
+
+
+def run(ws, *args):
+    data = json.dumps(gen_params(appid=ws.appid, domain= ws.domain,question=ws.question))
+    ws.send(data)
+
+
+# 收到websocket消息的处理
+def on_message(ws, message):
+    # print(message)
+    data = json.loads(message)
+    code = data['header']['code']
+    if code != 0:
+        print(f'请求错误: {code}, {data}')
+        ws.close()
+    else:
+        choices = data["payload"]["choices"]
+        status = choices["status"]
+        content = choices["text"][0]["content"]
+        print(content,end ="")
+        global answer
+        answer += content
+        # print(1)
+        if status == 2:
+            ws.close()
+
+
+def gen_params(appid, domain,question):
+    """
+    通过appid和用户的提问来生成请参数
+    """
+    data = {
+        "header": {
+            "app_id": appid,
+            "uid": "1234"
+        },
+        "parameter": {
+            "chat": {
+                "domain": domain,
+                "random_threshold": 0.5,
+                "max_tokens": 2048,
+                "auditing": "default"
+            }
+        },
+        "payload": {
+            "message": {
+                "text": question
+            }
+        }
+    }
+    return data
+
+
+def main(appid, api_key, api_secret, Spark_url,domain, question):
+    # print("星火:")
+    wsParam = Ws_Param(appid, api_key, api_secret, Spark_url)
+    websocket.enableTrace(False)
+    wsUrl = wsParam.create_url()
+    ws = websocket.WebSocketApp(wsUrl, on_message=on_message, on_error=on_error, on_close=on_close, on_open=on_open)
+    ws.appid = appid
+    ws.question = question
+    ws.domain = domain
+    ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})

test.py

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+from dotenv import load_dotenv
+import os
+import SparkApi
+
+# 加载 .env 文件
+load_dotenv()
+
+# 以下密钥信息从控制台获取
+# 从环境变量中读取密钥信息
+appid = os.getenv('APPID')  # 填写控制台中获取的 APPID 信息
+api_secret = os.getenv('API_SECRET')  # 填写控制台中获取的 APISecret 信息
+api_key = os.getenv('API_KEY')  # 填写控制台中获取的 APIKey 信息
+
+# 用于配置大模型版本，默认“general/generalv2”
+domain = "general"      # v1.5版本
+# domain = "generalv2"    # v2.0版本
+# 云端环境的服务地址
+Spark_url = "ws://spark-api.xf-yun.com/v1.1/chat"  # v1.5环境的地址
+# Spark_url = "ws://spark-api.xf-yun.com/v2.1/chat"  # v2.0环境的地址
+
+text = []
+
+# length = 0
+
+
+def getText(role, content):
+    jsoncon = {}
+    jsoncon["role"] = role
+    jsoncon["content"] = content
+    text.append(jsoncon)
+    return text
+
+
+def getlength(text):
+    length = 0
+    for content in text:
+        temp = content["content"]
+        leng = len(temp)
+        length += leng
+    return length
+
+
+def checklen(text):
+    while (getlength(text) > 8000):
+        del text[0]
+    return text
+
+
+if __name__ == '__main__':
+    text.clear()
+    while (1):
+        Input = input("\n" + "我:")
+        question = checklen(getText("user", Input))
+        SparkApi.answer = ""
+        print("星火:", end="")
+        SparkApi.main(appid, api_key, api_secret, Spark_url, domain, question)
+        getText("assistant", SparkApi.answer)
+        # print(str(text))