对话兼容报错没data前缀，ragflow会话历史传空时创建会话

zhangqian

2024-10-16 ed7ba0230d7c3e1d25304ae199d8f40e0449c99d

对话兼容报错没data前缀，ragflow会话历史传空时创建会话

 app/api/chat.py

@@ -43,10 +43,23 @@
                while True:
                    message = await websocket.receive_json()
                    print(f"Received from client {chat_id}: {message}")
                    async for rag_response in ragflow_service.chat(token, chat_id, message["chatHistory"]):
                    chat_history = message.get('chatHistory', [])
                    if len(chat_history) == 0:

                        chat_history = await ragflow_service.set_session(token, agent_id, message["message"], chat_id, True)
                        if len(chat_history) == 0:
                            result = {"message": "内部错误：创建会话失败", "type": "close"}
                            await websocket.send_json(result)
                            continue
                    async for rag_response in ragflow_service.chat(token, chat_id, chat_history):
                        try:
                            print(f"Received from ragflow: {rag_response}")
                            json_str = rag_response[5:].strip()
                            if rag_response[:5] == "data:":
                                # 如果是，则截取掉前5个字符，并去除首尾空白符
                                json_str = rag_response[5:].strip()
                            else:
                                # 否则，保持原样
                                json_str = rag_response
                            json_data = json.loads(json_str)
                            data = json_data.get("data")
                            if data is True:  # 完成输出
@@ -55,7 +68,7 @@
                                answer = json_data.get("retmsg", json_data.get("retcode"))
                                result = {"message": "内部错误：" + answer, "type": "stream"}
                            else:  # 正常输出
                                answer = json_data.get("data", {}).get("answer", "")
                                answer = data.get("answer", "")
                                result = {"message": answer, "type": "stream"}
                            await websocket.send_json(result)
                            print(f"Forwarded to client {chat_id}: {result}")

 app/service/ragflow.py

@@ -81,7 +81,7 @@
            ]
            return result

    async def set_session(self, token: str, dialog_id: str, name: str, chat_id: str, is_new: bool) -> bool:
    async def set_session(self, token: str, dialog_id: str, name: str, chat_id: str, is_new: bool) -> list:
        url = f"{self.base_url}/v1/conversation/set?dialog_id={dialog_id}"
        headers = {
            "Authorization": token
@@ -96,6 +96,13 @@
        async with httpx.AsyncClient() as client:
            response = await client.post(url, headers=headers, json=data)
            if response.status_code != 200:
                return False
            return True

                return []
            return [{
                "content": "你好！ 我是你的助理，有什么可以帮到你的吗？",
                "role": "assistant"
            },
                {
                    "content": name,
                    "doc_ids": [],
                    "role": "user"
                }]