From 370120fd4154ce6c5f69d16a4a343a016cf2e816 Mon Sep 17 00:00:00 2001 From: zhaoqingang <zhaoqg0118@163.com> Date: 星期二, 04 三月 2025 09:53:17 +0800 Subject: [PATCH] 完善问题 --- app/service/v2/chat.py | 239 +++++++++++++++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 214 insertions(+), 25 deletions(-) diff --git a/app/service/v2/chat.py b/app/service/v2/chat.py index d2b8ff7..68a7cd3 100644 --- a/app/service/v2/chat.py +++ b/app/service/v2/chat.py @@ -1,8 +1,13 @@ +import asyncio +import io import json + +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_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 @@ -11,6 +16,8 @@ from app.service.v2.app_driver.chat_data import ChatBaseApply from app.service.v2.app_driver.chat_dialog import ChatDialog from app.service.v2.app_driver.chat_workflow import ChatWorkflow +from docx import Document +from dashscope import get_tokenizer # dashscope鐗堟湰 >= 1.14.0 async def update_session_log(db, session_id: str, message: dict, conversation_id: str): @@ -23,13 +30,13 @@ async def add_session_log(db, session_id: str, question: str, chat_id: str, user_id, event_type: str, - conversation_id: str): + conversation_id: str, agent_type): try: session = await ChatSessionDao(db).update_or_insert_by_id( session_id=session_id, name=question[:255], agent_id=chat_id, - agent_type=1, + agent_type=agent_type, tenant_id=user_id, message={"role": "user", "content": question}, conversation_id=conversation_id, @@ -83,7 +90,7 @@ 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) + session = await add_session_log(db, session_id, question, chat_id, user_id, mode, session_id, 1) if session: conversation_id = session.conversation_id message = {"role": "assistant", "answer": "", "reference": {}} @@ -124,26 +131,47 @@ except: ... finally: + 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") + elif isinstance(data, dict): + for k in list(data.keys()): + if isinstance(k, str) and "dify" in k: + new_k = k.replace("dify", "smart") + data[new_k] = await data_process(data[k]) + del data[k] + else: + data[k] = await data_process(data[k]) + return data + elif isinstance(data, list): + for i in range(len(data)): + data[i] = await data_process(data[i]) + return data + else: + return data async def service_chat_workflow(db, chat_id: str, chat_data: ChatData, session_id: str, user_id, mode: str): conversation_id = "" answer_event = "" answer_agent = "" + answer_workflow = "" + download_url = "" message_id = "" task_id = "" error = "" files = [] node_list = [] token = await get_chat_token(db, chat_id) - chat, url = await get_chat_object(mode) if hasattr(chat_data, "query"): query = chat_data.query else: query = "start new workflow" - session = await add_session_log(db, session_id, query, chat_id, user_id, mode, conversation_id) + session = await add_session_log(db, session_id,query if query else "start new conversation", chat_id, user_id, mode, conversation_id, 3) if session: conversation_id = session.conversation_id try: @@ -175,15 +203,24 @@ event = smart_message_file elif ans.get("event") in [workflow_started, node_started, node_finished]: data = ans.get("data", {}) - data["inputs"] = [] - data["outputs"] = [] + 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") + 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: @@ -205,7 +242,8 @@ except: ... finally: - await update_session_log(db, session_id, {"role": "assistant", "answer": answer_event or answer_agent, + 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) @@ -219,27 +257,178 @@ if not chat_info: return {} return chat_info.parameters - # if chat_info.dialog_type == RG_TYPE: - # return {"retriever_resource": - # { - # "enabled": True - # } - # } - # elif chat_info.dialog_type == BASIC_TYPE: - # ... - # elif chat_info.dialog_type == DF_TYPE: - # token = await get_chat_token(db, chat_id) - # if not token: - # return {} - # url = settings.dify_base_url + DF_CHAT_PARAMETERS - # chat = ChatBaseApply() - # return await chat.chat_get(url, {"user": str(user_id)}, await chat.get_headers(token)) - 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) chat = ChatDialog() return await chat.chat_sessions(url, {"name": name}, await chat.get_headers(token)) + + +async def service_chat_sessions_list(db, chat_id, current, page_size, user_id, keyword): + total, session_list = await ChatSessionDao(db).get_session_list( + user_id=user_id, + agent_id=chat_id, + keyword=keyword, + page=current, + page_size=page_size + ) + 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()) + + + +async def service_chat_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 "" + + +async def get_str_token(input_str): + # 鑾峰彇tokenizer瀵硅薄锛岀洰鍓嶅彧鏀寔閫氫箟鍗冮棶绯诲垪妯″瀷 + tokenizer = get_tokenizer('qwen-turbo') + # 灏嗗瓧绗︿覆鍒囧垎鎴恡oken骞惰浆鎹负token id + 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: + for page in pdf_document: + text += page.get_text() + return text + + +async def read_word(word_stream): + # 浣跨敤 python-docx 鎵撳紑 Word 鏂囦欢娴� + doc = Document(io.BytesIO(word_stream)) + + # 鎻愬彇姣忎釜娈佃惤鐨勬枃鏈� + text = "" + for para in doc.paragraphs: + text += para.text + + return text + +async def read_file(file, filename, content_type): + text = "" + if content_type == "application/pdf" or filename.endswith('.pdf'): + + # 鎻愬彇 PDF 鍐呭 + text = await read_pdf(file) + elif content_type == "application/vnd.openxmlformats-officedocument.wordprocessingml.document" or filename.endswith( + '.docx'): + 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 + } + 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 + } + except Exception: + payload = { + "question":query, + "dataset_ids":[knowledge_id], + "page_size": top_k, + "similarity_threshold": similarity_threshold + } + 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", []) + ] + 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 + + + +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()) \ No newline at end of file -- Gitblit v1.8.0