From 6bac1630e5af5890a6922bdc624e591eb19a12eb Mon Sep 17 00:00:00 2001 From: zhaoqingang <zhaoqg0118@163.com> Date: 星期四, 13 三月 2025 18:36:07 +0800 Subject: [PATCH] 知识库对接rg --- app/service/v2/chat.py | 374 +++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 360 insertions(+), 14 deletions(-) diff --git a/app/service/v2/chat.py b/app/service/v2/chat.py index a24f88d..38683a8 100644 --- a/app/service/v2/chat.py +++ b/app/service/v2/chat.py @@ -1,14 +1,19 @@ +import asyncio import io import json +import time +import uuid import fitz +from fastapi import HTTPException from Log import logger from app.config.agent_base_url import RG_CHAT_DIALOG, DF_CHAT_AGENT, DF_CHAT_PARAMETERS, RG_CHAT_SESSIONS, \ - DF_CHAT_WORKFLOW, DF_UPLOAD_FILE + DF_CHAT_WORKFLOW, DF_UPLOAD_FILE, RG_ORIGINAL_URL from app.config.config import settings from app.config.const import * -from app.models import DialogModel, ApiTokenModel, UserTokenModel +from app.models import DialogModel, ApiTokenModel, UserTokenModel, ComplexChatSessionDao, ChatDataRequest, \ + ComplexChatDao from app.models.v2.session_model import ChatSessionDao, ChatData from app.service.v2.app_driver.chat_agent import ChatAgent from app.service.v2.app_driver.chat_data import ChatBaseApply @@ -45,12 +50,12 @@ logger.error(e) return None + async def get_app_token(db, app_id): app_token = db.query(UserTokenModel).filter_by(id=app_id).first() if app_token: return app_token.access_token return "" - async def get_chat_token(db, app_id): @@ -67,7 +72,6 @@ db.commit() except Exception as e: logger.error(e) - async def get_chat_info(db, chat_id: str): @@ -88,7 +92,7 @@ token = await get_chat_token(db, rg_api_token) url = settings.fwr_base_url + RG_CHAT_DIALOG.format(chat_id) chat = ChatDialog() - session = await add_session_log(db, session_id, question, chat_id, user_id, mode, session_id, 1) + session = await add_session_log(db, session_id, question, chat_id, user_id, mode, session_id, RG_TYPE) if session: conversation_id = session.conversation_id message = {"role": "assistant", "answer": "", "reference": {}} @@ -132,6 +136,7 @@ message["role"] = "assistant" await update_session_log(db, session_id, message, conversation_id) + async def data_process(data): if isinstance(data, str): return data.replace("dify", "smart") @@ -168,8 +173,9 @@ if hasattr(chat_data, "query"): query = chat_data.query else: - query = "start new workflow" - session = await add_session_log(db, session_id,query if query else "start new conversation", chat_id, user_id, mode, conversation_id, 3) + query = "start new conversation" + session = await add_session_log(db, session_id, query if query else "start new conversation", chat_id, user_id, + mode, conversation_id, DF_TYPE) if session: conversation_id = session.conversation_id try: @@ -213,7 +219,7 @@ [workflow_started, node_started, node_finished].index(ans.get("event"))] elif ans.get("event") == workflow_finished: data = ans.get("data", {}) - answer_workflow = data.get("outputs", {}).get("output") + answer_workflow = data.get("outputs", {}).get("output", data.get("outputs", {}).get("answer")) download_url = data.get("outputs", {}).get("download_url") event = smart_workflow_finished if data.get("status") == "failed": @@ -240,14 +246,22 @@ except: ... finally: - await update_session_log(db, session_id, {"role": "assistant", "answer": answer_event or answer_agent or answer_workflow or error, - "download_url":download_url, + await update_session_log(db, session_id, {"role": "assistant", + "answer": answer_event or answer_agent or answer_workflow or error, + "download_url": download_url, "node_list": node_list, "task_id": task_id, "id": message_id, "error": error}, conversation_id) + + async def service_chat_basic(db, chat_id: str, chat_data: ChatData, session_id: str, user_id, mode: str): - ... + + if chat_id == basic_report_talk: + complex_chat = await ComplexChatDao(db).get_complex_chat_by_mode(chat_data.report_mode) + if complex_chat: + ... + async def service_chat_parameters(db, chat_id, user_id): @@ -256,8 +270,10 @@ return {} return chat_info.parameters + async def service_chat_sessions(db, chat_id, name): token = await get_chat_token(db, rg_api_token) + # print(token) if not token: return {} url = settings.fwr_base_url + RG_CHAT_SESSIONS.format(chat_id) @@ -273,14 +289,20 @@ page=current, page_size=page_size ) - return json.dumps({"total":total, "rows": [session.to_dict() for session in session_list]}) - + return json.dumps({"total": total, "rows": [session.to_dict() for session in session_list]}) async def service_chat_session_log(db, session_id): session_log = await ChatSessionDao(db).get_session_by_id(session_id) - return json.dumps(session_log.log_to_json()) + if not session_log: + return {} + log_info =session_log.log_to_json() + if session_log.event_type == complex_chat: + total, message_list = await ComplexChatSessionDao(db).get_session_list(session_id) + log_info["message"] = [message.log_to_json() for message in message_list[::-1]] + + return json.dumps(log_info) async def service_chat_upload(db, chat_id, file, user_id): @@ -313,6 +335,7 @@ tokens = tokenizer.encode(input_str) return len(tokens) + async def read_pdf(pdf_stream): text = "" with fitz.open(stream=pdf_stream, filetype="pdf") as pdf_document: @@ -332,6 +355,7 @@ return text + async def read_file(file, filename, content_type): text = "" if content_type == "application/pdf" or filename.endswith('.pdf'): @@ -343,3 +367,325 @@ text = await read_word(file) return await get_str_token(text) + + +async def service_chunk_retrieval(query, knowledge_id, top_k, similarity_threshold, api_key): + # print(query) + + try: + request_data = json.loads(query) + payload = { + "question": request_data.get("query", ""), + "dataset_ids": request_data.get("dataset_ids", []), + "page_size": top_k, + "similarity_threshold": similarity_threshold if similarity_threshold else 0.2 + } + except json.JSONDecodeError as e: + fixed_json = query.replace("'", '"') + try: + request_data = json.loads(fixed_json) + payload = { + "question": request_data.get("query", ""), + "dataset_ids": request_data.get("dataset_ids", []), + "page_size": top_k, + "similarity_threshold": similarity_threshold if similarity_threshold else 0.2 + } + except Exception: + payload = { + "question": query, + "dataset_ids": [knowledge_id], + "page_size": top_k, + "similarity_threshold": similarity_threshold if similarity_threshold else 0.2 + } + # print(payload) + url = settings.fwr_base_url + RG_ORIGINAL_URL + chat = ChatBaseApply() + response = await chat.chat_post(url, payload, await chat.get_headers(api_key)) + if not response: + raise HTTPException(status_code=500, detail="鏈嶅姟寮傚父锛�") + records = [ + { + "content": chunk["content"], + "score": chunk["similarity"], + "title": chunk.get("document_keyword", "Unknown Document"), + "metadata": {"document_id": chunk["document_id"], + "path": f"{settings.fwr_base_url}/document/{chunk['document_id']}?ext={chunk.get('document_keyword').split('.')[-1]}&prefix=document", + 'highlight': chunk.get("highlight"), "image_id": chunk.get("image_id"), + "positions": chunk.get("positions"), } + } + for chunk in response.get("data", {}).get("chunks", []) + ] + # print(len(records)) + # print(records) + return records + + +async def service_base_chunk_retrieval(query, knowledge_id, top_k, similarity_threshold, api_key): + # request_data = json.loads(query) + payload = { + "question": query, + "dataset_ids": [knowledge_id], + "page_size": top_k, + "similarity_threshold": similarity_threshold + } + url = settings.fwr_base_url + RG_ORIGINAL_URL + # url = "http://192.168.20.116:11080/" + RG_ORIGINAL_URL + chat = ChatBaseApply() + response = await chat.chat_post(url, payload, await chat.get_headers(api_key)) + if not response: + raise HTTPException(status_code=500, detail="鏈嶅姟寮傚父锛�") + records = [ + { + "content": chunk["content"], + "score": chunk["similarity"], + "title": chunk.get("document_keyword", "Unknown Document"), + "metadata": {"document_id": chunk["document_id"]} + } + for chunk in response.get("data", {}).get("chunks", []) + ] + return records + + +async def add_complex_log(db, message_id, chat_id, session_id, chat_mode, query, user_id, mode, agent_type, message_type, conversation_id="", node_data=None, query_data=None): + if not node_data: + node_data = [] + if not query_data: + query_data = {} + # print(node_data) + # print("--------------------------------------------------------") + # print(query_data) + try: + complex_log = ComplexChatSessionDao(db) + if not conversation_id: + session = await complex_log.get_session_by_session_id(session_id, chat_id) + if session: + conversation_id = session.conversation_id + await complex_log.create_session(message_id, + chat_id=chat_id, + session_id=session_id, + chat_mode=chat_mode, + message_type=message_type, + content=query, + event_type=mode, + tenant_id=user_id, + conversation_id=conversation_id, + node_data=json.dumps(node_data), + query=json.dumps(query_data), + agent_type=agent_type) + return conversation_id, True + + except Exception as e: + logger.error(e) + return conversation_id, False + +async def add_query_files(db, message_id): + query = {} + complex_log = await ComplexChatSessionDao(db).get_session_by_id(message_id) + if complex_log: + query = json.loads(complex_log.query) + return query.get("files", []) + +async def service_complex_chat(db, chat_id, mode, user_id, chat_request: ChatDataRequest): + answer_event = "" + answer_agent = "" + answer_dialog = "" + answer_workflow = "" + download_url = "" + message_id = "" + task_id = "" + error = "" + node_list = [] + reference= {} + conversation_id = "" + query_data = chat_request.to_dict() + new_message_id = str(uuid.uuid4()) + inputs = {"is_deep": chat_request.isDeep} + files = chat_request.files + if chat_request.chatMode == complex_content_optimization_chat: + inputs["type"] = chat_request.optimizeType + elif chat_request.chatMode == complex_dialog_chat: + if not files and chat_request.parentId: + files = await add_query_files(db, chat_request.parentId) + if chat_request.chatMode != complex_content_optimization_chat: + await add_session_log(db, chat_request.sessionId, chat_request.query if chat_request.query else "鏈懡鍚嶄細璇�", chat_id, user_id, + mode, "", DF_TYPE) + conversation_id, message = await add_complex_log(db, new_message_id, chat_id, chat_request.sessionId, chat_request.chatMode, chat_request.query, user_id, mode, DF_TYPE, 1, query_data=query_data) + if not message: + yield "data: " + json.dumps({"message": smart_message_error, + "error": "\n**ERROR**: 鍒涘缓浼氳瘽澶辫触锛�", "status": http_500}, + ensure_ascii=False) + "\n\n" + return + + query_data["parentId"] = new_message_id + try: + if chat_request.chatMode == complex_knowledge_chat: + if not conversation_id: + session = await service_chat_sessions(db, chat_id, chat_request.query) + # print(session) + if not session or session.get("code") != 0: + yield "data: " + json.dumps( + {"message": smart_message_error, "error": "\n**ERROR**: chat agent error", "status": http_500}) + return + conversation_id = session.get("data", {}).get("id") + token = await get_chat_token(db, rg_api_token) + url = settings.fwr_base_url + RG_CHAT_DIALOG.format(chat_id) + chat = ChatDialog() + try: + async for ans in chat.chat_completions(url, await chat.complex_request_data(chat_request.query, chat_request.knowledgeId, conversation_id), + await chat.get_headers(token)): + data = {} + error = "" + status = http_200 + if ans.get("code", None) == 102: + error = ans.get("message", "error锛�") + status = http_400 + event = smart_message_error + else: + if isinstance(ans.get("data"), bool) and ans.get("data") is True: + event = smart_message_end + else: + data = ans.get("data", {}) + # conversation_id = data.get("session_id", "") + if "session_id" in data: + del data["session_id"] + data["prompt"] = "" + if not message_id: + message_id = data.get("id", "") + answer_dialog = data.get("answer", "") + reference = data.get("reference", {}) + event = smart_message_cover + message_str = "data: " + json.dumps( + {"event": event, "data": data, "error": error, "status": status, "message_id":message_id, + "parent_id": new_message_id, + "session_id": chat_request.sessionId}, + ensure_ascii=False) + "\n\n" + for i in range(0, len(message_str), max_chunk_size): + chunk = message_str[i:i + max_chunk_size] + # print(chunk) + yield chunk # 鍙戦�佸垎鍧楁秷鎭� + except Exception as e: + + logger.error(e) + try: + yield "data: " + json.dumps({"message": smart_message_error, + "error": "\n**ERROR**: " + str(e), "status": http_500}, + ensure_ascii=False) + "\n\n" + except: + ... + else: + token = await get_chat_token(db, chat_id) + chat, url = await get_chat_object(mode) + async for ans in chat.chat_completions(url, + await chat.complex_request_data(chat_request.query, conversation_id, str(user_id), files=files, inputs=inputs), + await chat.get_headers(token)): + # print(ans) + data = {} + status = http_200 + conversation_id = ans.get("conversation_id") + task_id = ans.get("task_id") + if ans.get("event") == message_error: + error = ans.get("message", "鍙傛暟寮傚父锛�") + status = http_400 + event = smart_message_error + elif ans.get("event") == message_agent: + data = {"answer": ans.get("answer", ""), "id": ans.get("message_id", "")} + answer_agent += ans.get("answer", "") + message_id = ans.get("message_id", "") + event = smart_message_stream + elif ans.get("event") == message_event: + data = {"answer": ans.get("answer", ""), "id": ans.get("message_id", "")} + answer_event += ans.get("answer", "") + message_id = ans.get("message_id", "") + event = smart_message_stream + elif ans.get("event") == message_file: + data = {"url": ans.get("url", ""), "id": ans.get("id", ""), + "type": ans.get("type", "")} + files.append(data) + event = smart_message_file + elif ans.get("event") in [workflow_started, node_started, node_finished]: + data = ans.get("data", {}) + data["inputs"] = await data_process(data.get("inputs", {})) + data["outputs"] = await data_process(data.get("outputs", {})) + data["files"] = await data_process(data.get("files", [])) + data["process_data"] = "" + if data.get("status") == "failed": + status = http_500 + error = data.get("error", "") + node_list.append(ans) + event = [smart_workflow_started, smart_node_started, smart_node_finished][ + [workflow_started, node_started, node_finished].index(ans.get("event"))] + elif ans.get("event") == workflow_finished: + data = ans.get("data", {}) + answer_workflow = data.get("outputs", {}).get("output", data.get("outputs", {}).get("answer")) + download_url = data.get("outputs", {}).get("download_url") + event = smart_workflow_finished + if data.get("status") == "failed": + status = http_500 + error = data.get("error", "") + node_list.append(ans) + + elif ans.get("event") == message_end: + event = smart_message_end + else: + continue + + yield "data: " + json.dumps( + {"event": event, "data": data, "error": error, "status": status, "task_id": task_id, "message_id":message_id, + "parent_id": new_message_id, + "session_id": chat_request.sessionId}, + ensure_ascii=False) + "\n\n" + + except Exception as e: + logger.error(e) + try: + yield "data: " + json.dumps({"message": smart_message_error, + "error": "\n**ERROR**: " + str(e), "status": http_500}, + ensure_ascii=False) + "\n\n" + except: + ... + finally: + # await update_session_log(db, session_id, {"role": "assistant", + # "answer": answer_event or answer_agent or answer_workflow or error, + # "download_url": download_url, + # "node_list": node_list, "task_id": task_id, "id": message_id, + # "error": error}, conversation_id) + if message_id: + await add_complex_log(db, message_id, chat_id, chat_request.sessionId, chat_request.chatMode, answer_event or answer_agent or answer_workflow or answer_dialog or error, user_id, mode, DF_TYPE, 2, conversation_id, node_data=node_list or reference, query_data=query_data) + +async def service_complex_upload(db, chat_id, file, user_id): + files = [] + token = await get_chat_token(db, chat_id) + if not token: + return files + url = settings.dify_base_url + DF_UPLOAD_FILE + chat = ChatBaseApply() + for f in file: + try: + file_content = await f.read() + file_upload = await chat.chat_upload(url, {"file": (f.filename, file_content)}, {"user": str(user_id)}, + {'Authorization': f'Bearer {token}'}) + # try: + # tokens = await read_file(file_content, f.filename, f.content_type) + # file_upload["tokens"] = tokens + # except: + # ... + files.append(file_upload) + except Exception as e: + logger.error(e) + return json.dumps(files) if files else "" + +if __name__ == "__main__": + q = json.dumps({"query": "璁惧", "dataset_ids": ["fc68db52f43111efb94a0242ac120004"]}) + top_k = 2 + similarity_threshold = 0.5 + api_key = "ragflow-Y4MGYwY2JlZjM2YjExZWY4ZWU5MDI0Mm" + + + # a = service_chunk_retrieval(q, top_k, similarity_threshold, api_key) + # print(a) + async def a(): + b = await service_chunk_retrieval(q, top_k, similarity_threshold, api_key) + print(b) + + + asyncio.run(a()) -- Gitblit v1.8.0