Create app.py

app.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
+# websocket-client
+import websocket
+
+## add
+import gradio as gr
+from gradio.components import Textbox
+
+
+messages = [{"role": "system","question":"question", "content": "You are a helpful and kind AI Assistant."},]
+
+
+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
+
+
+# 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, status_code, reason):
+    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, question=ws.question))
+    ws.send(data)
+
+
+# 收到websocket消息的处理
+def on_message(ws, 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"]
+        messages.append({"role": "assistant", "content": content})
+        #print(content, end='')
+        if status == 2:
+            ws.close()
+
+        
+        
+
+def gen_params(appid, 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": "general",
+                "random_threshold": 0.5,
+                "max_tokens": 2048,
+                "auditing": "default"
+            }
+        },
+        "payload": {
+            "message": {
+                "text": [
+                    {"role": "user", "content": question}
+                ]
+            }
+        }
+    }
+    return data
+
+
+def main(appid, api_key, api_secret, gpt_url, question):
+    wsParam = Ws_Param(appid, api_key, api_secret, gpt_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.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})
+    
+    
+def ChatGPT_Bot(input):
+    global messages
+    if input:
+        main(appid="28831c57",
+             api_secret="YzAwZTY0ZjRjMGExYTJjYzU3OWUyZTA1",
+             api_key="98dd35bacd2f3b92d00b9ee9d86d8450",
+             gpt_url="ws://spark-api.xf-yun.com/v1.1/chat",question="提取这段内容的摘要"+input)
+        
+        
+        result  =""
+        for m in messages[1:]:
+            if m["role"] == 'assistant':
+                result += m["content"]
+        if len(messages)>1:
+            messages= [{"role": "system","question":"question", "content": "You are a helpful and kind AI Assistant."},]
+        
+        return result
+        
+
+if __name__ == "__main__":
+    inputs = Textbox(lines=7, label="请输入你的问题,可以提取摘要了")
+    outputs = Textbox(lines=7, label="来自ChatGPT的回答")
+    gr.Interface(fn=ChatGPT_Bot, inputs=inputs, outputs=outputs, title="万家知识小助手",description="我是您的AI助理，您可以问任何你想知道的问题",theme=gr.themes.Default()).launch()