chat.py 30 KB

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  1. import asyncio
  2. import io
  3. import json
  4. import time
  5. import uuid
  6. import fitz
  7. from fastapi import HTTPException
  8. from sqlalchemy import or_
  9. from Log import logger
  10. from app.config.agent_base_url import RG_CHAT_DIALOG, DF_CHAT_AGENT, DF_CHAT_PARAMETERS, RG_CHAT_SESSIONS, \
  11. DF_CHAT_WORKFLOW, DF_UPLOAD_FILE, RG_ORIGINAL_URL
  12. from app.config.config import settings
  13. from app.config.const import *
  14. from app.models import DialogModel, ApiTokenModel, UserTokenModel, ComplexChatSessionDao, ChatDataRequest, \
  15. ComplexChatDao, KnowledgeModel, UserModel
  16. from app.models.v2.session_model import ChatSessionDao, ChatData
  17. from app.service.v2.app_driver.chat_agent import ChatAgent
  18. from app.service.v2.app_driver.chat_data import ChatBaseApply
  19. from app.service.v2.app_driver.chat_dialog import ChatDialog
  20. from app.service.v2.app_driver.chat_workflow import ChatWorkflow
  21. from docx import Document
  22. from dashscope import get_tokenizer # dashscope版本 >= 1.14.0
  23. async def update_session_log(db, session_id: str, message: dict, conversation_id: str):
  24. await ChatSessionDao(db).update_session_by_id(
  25. session_id=session_id,
  26. session=None,
  27. message=message,
  28. conversation_id=conversation_id
  29. )
  30. async def add_session_log(db, session_id: str, question: str, chat_id: str, user_id, event_type: str,
  31. conversation_id: str, agent_type):
  32. try:
  33. session = await ChatSessionDao(db).update_or_insert_by_id(
  34. session_id=session_id,
  35. name=question[:255],
  36. agent_id=chat_id,
  37. agent_type=agent_type,
  38. tenant_id=user_id,
  39. message={"role": "user", "content": question},
  40. conversation_id=conversation_id,
  41. event_type=event_type
  42. )
  43. return session
  44. except Exception as e:
  45. logger.error(e)
  46. return None
  47. async def get_app_token(db, app_id):
  48. app_token = db.query(UserTokenModel).filter_by(id=app_id).first()
  49. if app_token:
  50. return app_token.access_token
  51. return ""
  52. async def get_chat_token(db, app_id):
  53. app_token = db.query(ApiTokenModel).filter_by(app_id=app_id).first()
  54. if app_token:
  55. return app_token.token
  56. return ""
  57. async def add_chat_token(db, data):
  58. try:
  59. api_token = ApiTokenModel(**data)
  60. db.add(api_token)
  61. db.commit()
  62. except Exception as e:
  63. logger.error(e)
  64. async def get_chat_info(db, chat_id: str):
  65. return db.query(DialogModel).filter_by(id=chat_id, status=Dialog_STATSU_ON).first()
  66. async def get_chat_object(mode):
  67. if mode == workflow_chat:
  68. url = settings.dify_base_url + DF_CHAT_WORKFLOW
  69. return ChatWorkflow(), url
  70. else:
  71. url = settings.dify_base_url + DF_CHAT_AGENT
  72. return ChatAgent(), url
  73. async def get_user_kb(db, user_id: int, kb_ids: list) -> list:
  74. res = []
  75. user = db.query(UserModel).filter(UserModel.id == user_id).first()
  76. if user is None:
  77. return res
  78. query = db.query(KnowledgeModel)
  79. if user.permission != "admin":
  80. klg_list = [j.id for i in user.groups for j in i.knowledges]
  81. query = query.filter(or_(KnowledgeModel.id.in_(klg_list), KnowledgeModel.tenant_id == str(user_id)))
  82. kb_list= query.all()
  83. for kb in kb_list:
  84. if kb.id in kb_ids:
  85. if kb.permission == "team":
  86. res.append(kb.id)
  87. elif kb.tenant_id == str(user_id):
  88. res.append(kb.id)
  89. return res
  90. else:
  91. return kb_ids
  92. async def service_chat_dialog(db, chat_id: str, question: str, session_id: str, user_id: int, mode: str, kb_ids: list):
  93. conversation_id = ""
  94. token = await get_chat_token(db, rg_api_token)
  95. url = settings.fwr_base_url + RG_CHAT_DIALOG.format(chat_id)
  96. kb_id = await get_user_kb(db, user_id, kb_ids)
  97. if not kb_id:
  98. yield "data: " + json.dumps({"message": smart_message_error,
  99. "error": "\n**ERROR**: The agent has no knowledge base to work with!", "status": http_400},
  100. ensure_ascii=False) + "\n\n"
  101. return
  102. chat = ChatDialog()
  103. session = await add_session_log(db, session_id, question, chat_id, user_id, mode, session_id, RG_TYPE)
  104. if session:
  105. conversation_id = session.conversation_id
  106. message = {"role": "assistant", "answer": "", "reference": {}}
  107. try:
  108. async for ans in chat.chat_completions(url, await chat.complex_request_data(question, kb_id, conversation_id),
  109. await chat.get_headers(token)):
  110. data = {}
  111. error = ""
  112. status = http_200
  113. if ans.get("code", None) == 102:
  114. error = ans.get("message", "error!")
  115. status = http_400
  116. event = smart_message_error
  117. else:
  118. if isinstance(ans.get("data"), bool) and ans.get("data") is True:
  119. event = smart_message_end
  120. else:
  121. data = ans.get("data", {})
  122. # conversation_id = data.get("session_id", "")
  123. if "session_id" in data:
  124. del data["session_id"]
  125. message = data
  126. event = smart_message_cover
  127. message_str = "data: " + json.dumps(
  128. {"event": event, "data": data, "error": error, "status": status, "session_id": session_id},
  129. ensure_ascii=False) + "\n\n"
  130. for i in range(0, len(message_str), max_chunk_size):
  131. chunk = message_str[i:i + max_chunk_size]
  132. # print(chunk)
  133. yield chunk # 发送分块消息
  134. except Exception as e:
  135. logger.error(e)
  136. try:
  137. yield "data: " + json.dumps({"message": smart_message_error,
  138. "error": "\n**ERROR**: " + str(e), "status": http_500},
  139. ensure_ascii=False) + "\n\n"
  140. except:
  141. ...
  142. finally:
  143. message["role"] = "assistant"
  144. await update_session_log(db, session_id, message, conversation_id)
  145. async def data_process(data):
  146. if isinstance(data, str):
  147. return data.replace("dify", "smart")
  148. elif isinstance(data, dict):
  149. for k in list(data.keys()):
  150. if isinstance(k, str) and "dify" in k:
  151. new_k = k.replace("dify", "smart")
  152. data[new_k] = await data_process(data[k])
  153. del data[k]
  154. else:
  155. data[k] = await data_process(data[k])
  156. return data
  157. elif isinstance(data, list):
  158. for i in range(len(data)):
  159. data[i] = await data_process(data[i])
  160. return data
  161. else:
  162. return data
  163. async def service_chat_workflow(db, chat_id: str, chat_data: ChatData, session_id: str, user_id, mode: str):
  164. conversation_id = ""
  165. answer_event = ""
  166. answer_agent = ""
  167. answer_workflow = ""
  168. download_url = ""
  169. message_id = ""
  170. task_id = ""
  171. error = ""
  172. files = []
  173. node_list = []
  174. token = await get_chat_token(db, chat_id)
  175. chat, url = await get_chat_object(mode)
  176. if hasattr(chat_data, "query"):
  177. query = chat_data.query
  178. else:
  179. query = "start new conversation"
  180. session = await add_session_log(db, session_id, query if query else "start new conversation", chat_id, user_id,
  181. mode, conversation_id, DF_TYPE)
  182. if session:
  183. conversation_id = session.conversation_id
  184. try:
  185. async for ans in chat.chat_completions(url,
  186. await chat.request_data(query, conversation_id, str(user_id), chat_data),
  187. await chat.get_headers(token)):
  188. data = {}
  189. status = http_200
  190. conversation_id = ans.get("conversation_id")
  191. task_id = ans.get("task_id")
  192. if ans.get("event") == message_error:
  193. error = ans.get("message", "参数异常!")
  194. status = http_400
  195. event = smart_message_error
  196. elif ans.get("event") == message_agent:
  197. data = {"answer": ans.get("answer", ""), "id": ans.get("message_id", "")}
  198. answer_agent += ans.get("answer", "")
  199. message_id = ans.get("message_id", "")
  200. event = smart_message_stream
  201. elif ans.get("event") == message_event:
  202. data = {"answer": ans.get("answer", ""), "id": ans.get("message_id", "")}
  203. answer_event += ans.get("answer", "")
  204. message_id = ans.get("message_id", "")
  205. event = smart_message_stream
  206. elif ans.get("event") == message_file:
  207. data = {"url": ans.get("url", ""), "id": ans.get("id", ""),
  208. "type": ans.get("type", "")}
  209. files.append(data)
  210. event = smart_message_file
  211. elif ans.get("event") in [workflow_started, node_started, node_finished]:
  212. data = ans.get("data", {})
  213. data["inputs"] = await data_process(data.get("inputs", {}))
  214. data["outputs"] = await data_process(data.get("outputs", {}))
  215. data["files"] = await data_process(data.get("files", []))
  216. data["process_data"] = ""
  217. if data.get("status") == "failed":
  218. status = http_500
  219. error = data.get("error", "")
  220. node_list.append(ans)
  221. event = [smart_workflow_started, smart_node_started, smart_node_finished][
  222. [workflow_started, node_started, node_finished].index(ans.get("event"))]
  223. elif ans.get("event") == workflow_finished:
  224. data = ans.get("data", {})
  225. answer_workflow = data.get("outputs", {}).get("output", data.get("outputs", {}).get("answer"))
  226. download_url = data.get("outputs", {}).get("download_url")
  227. event = smart_workflow_finished
  228. if data.get("status") == "failed":
  229. status = http_500
  230. error = data.get("error", "")
  231. node_list.append(ans)
  232. elif ans.get("event") == message_end:
  233. event = smart_message_end
  234. else:
  235. continue
  236. yield "data: " + json.dumps(
  237. {"event": event, "data": data, "error": error, "status": status, "task_id": task_id,
  238. "session_id": session_id},
  239. ensure_ascii=False) + "\n\n"
  240. except Exception as e:
  241. logger.error(e)
  242. try:
  243. yield "data: " + json.dumps({"message": smart_message_error,
  244. "error": "\n**ERROR**: " + str(e), "status": http_500},
  245. ensure_ascii=False) + "\n\n"
  246. except:
  247. ...
  248. finally:
  249. await update_session_log(db, session_id, {"role": "assistant",
  250. "answer": answer_event or answer_agent or answer_workflow or error,
  251. "download_url": download_url,
  252. "node_list": node_list, "task_id": task_id, "id": message_id,
  253. "error": error}, conversation_id)
  254. async def service_chat_basic(db, chat_id: str, chat_data: ChatData, session_id: str, user_id, mode: str):
  255. if chat_id == basic_report_talk:
  256. complex_chat = await ComplexChatDao(db).get_complex_chat_by_mode(chat_data.report_mode)
  257. if complex_chat:
  258. ...
  259. async def service_chat_parameters(db, chat_id, user_id):
  260. chat_info = db.query(DialogModel).filter_by(id=chat_id).first()
  261. if not chat_info:
  262. return {}
  263. return chat_info.parameters
  264. async def service_chat_sessions(db, chat_id, name):
  265. token = await get_chat_token(db, rg_api_token)
  266. # print(token)
  267. if not token:
  268. return {}
  269. url = settings.fwr_base_url + RG_CHAT_SESSIONS.format(chat_id)
  270. chat = ChatDialog()
  271. return await chat.chat_sessions(url, {"name": name}, await chat.get_headers(token))
  272. async def service_chat_sessions_list(db, chat_id, current, page_size, user_id, keyword):
  273. total, session_list = await ChatSessionDao(db).get_session_list(
  274. user_id=user_id,
  275. agent_id=chat_id,
  276. keyword=keyword,
  277. page=current,
  278. page_size=page_size
  279. )
  280. return json.dumps({"total": total, "rows": [session.to_dict() for session in session_list]})
  281. async def service_chat_session_log(db, session_id):
  282. session_log = await ChatSessionDao(db).get_session_by_id(session_id)
  283. if not session_log:
  284. return {}
  285. log_info =session_log.log_to_json()
  286. if session_log.event_type == complex_chat:
  287. total, message_list = await ComplexChatSessionDao(db).get_session_list(session_id)
  288. log_info["message"] = [message.log_to_json() for message in message_list[::-1]]
  289. return json.dumps(log_info)
  290. async def service_chat_upload(db, chat_id, file, user_id):
  291. files = []
  292. token = await get_chat_token(db, chat_id)
  293. if not token:
  294. return files
  295. url = settings.dify_base_url + DF_UPLOAD_FILE
  296. chat = ChatBaseApply()
  297. for f in file:
  298. try:
  299. file_content = await f.read()
  300. file_upload = await chat.chat_upload(url, {"file": (f.filename, file_content)}, {"user": str(user_id)},
  301. {'Authorization': f'Bearer {token}'})
  302. try:
  303. tokens = await read_file(file_content, f.filename, f.content_type)
  304. file_upload["tokens"] = tokens
  305. except:
  306. ...
  307. files.append(file_upload)
  308. except Exception as e:
  309. logger.error(e)
  310. return json.dumps(files) if files else ""
  311. async def get_str_token(input_str):
  312. # 获取tokenizer对象,目前只支持通义千问系列模型
  313. tokenizer = get_tokenizer('qwen-turbo')
  314. # 将字符串切分成token并转换为token id
  315. tokens = tokenizer.encode(input_str)
  316. return len(tokens)
  317. async def read_pdf(pdf_stream):
  318. text = ""
  319. with fitz.open(stream=pdf_stream, filetype="pdf") as pdf_document:
  320. for page in pdf_document:
  321. text += page.get_text()
  322. return text
  323. async def read_word(word_stream):
  324. # 使用 python-docx 打开 Word 文件流
  325. doc = Document(io.BytesIO(word_stream))
  326. # 提取每个段落的文本
  327. text = ""
  328. for para in doc.paragraphs:
  329. text += para.text
  330. return text
  331. async def read_file(file, filename, content_type):
  332. text = ""
  333. if content_type == "application/pdf" or filename.endswith('.pdf'):
  334. # 提取 PDF 内容
  335. text = await read_pdf(file)
  336. elif content_type == "application/vnd.openxmlformats-officedocument.wordprocessingml.document" or filename.endswith(
  337. '.docx'):
  338. text = await read_word(file)
  339. return await get_str_token(text)
  340. async def service_chunk_retrieval(query, knowledge_id, top_k, similarity_threshold, api_key):
  341. # print(query)
  342. try:
  343. request_data = json.loads(query)
  344. payload = {
  345. "question": request_data.get("query", ""),
  346. "dataset_ids": request_data.get("dataset_ids", []),
  347. "page_size": top_k,
  348. "similarity_threshold": similarity_threshold if similarity_threshold else 0.2
  349. }
  350. except json.JSONDecodeError as e:
  351. fixed_json = query.replace("'", '"')
  352. try:
  353. request_data = json.loads(fixed_json)
  354. payload = {
  355. "question": request_data.get("query", ""),
  356. "dataset_ids": request_data.get("dataset_ids", []),
  357. "page_size": top_k,
  358. "similarity_threshold": similarity_threshold if similarity_threshold else 0.2
  359. }
  360. except Exception:
  361. payload = {
  362. "question": query,
  363. "dataset_ids": [knowledge_id],
  364. "page_size": top_k,
  365. "similarity_threshold": similarity_threshold if similarity_threshold else 0.2
  366. }
  367. # print(payload)
  368. url = settings.fwr_base_url + RG_ORIGINAL_URL
  369. chat = ChatBaseApply()
  370. response = await chat.chat_post(url, payload, await chat.get_headers(api_key))
  371. if not response:
  372. raise HTTPException(status_code=500, detail="服务异常!")
  373. records = [
  374. {
  375. "content": chunk["content"],
  376. "score": chunk["similarity"],
  377. "title": chunk.get("document_keyword", "Unknown Document"),
  378. "metadata": {"document_id": chunk["document_id"],
  379. "path": f"{settings.fwr_base_url}/document/{chunk['document_id']}?ext={chunk.get('document_keyword').split('.')[-1]}&prefix=document",
  380. 'highlight': chunk.get("highlight"), "image_id": chunk.get("image_id"),
  381. "positions": chunk.get("positions"), }
  382. }
  383. for chunk in response.get("data", {}).get("chunks", [])
  384. ]
  385. # print(len(records))
  386. # print(records)
  387. return records
  388. async def service_base_chunk_retrieval(query, knowledge_id, top_k, similarity_threshold, api_key):
  389. # request_data = json.loads(query)
  390. payload = {
  391. "question": query,
  392. "dataset_ids": [knowledge_id],
  393. "page_size": top_k,
  394. "similarity_threshold": similarity_threshold
  395. }
  396. url = settings.fwr_base_url + RG_ORIGINAL_URL
  397. # url = "http://192.168.20.116:11080/" + RG_ORIGINAL_URL
  398. chat = ChatBaseApply()
  399. response = await chat.chat_post(url, payload, await chat.get_headers(api_key))
  400. if not response:
  401. raise HTTPException(status_code=500, detail="服务异常!")
  402. records = [
  403. {
  404. "content": chunk["content"],
  405. "score": chunk["similarity"],
  406. "title": chunk.get("document_keyword", "Unknown Document"),
  407. "metadata": {"document_id": chunk["document_id"]}
  408. }
  409. for chunk in response.get("data", {}).get("chunks", [])
  410. ]
  411. return records
  412. 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):
  413. if not node_data:
  414. node_data = []
  415. if not query_data:
  416. query_data = {}
  417. # print(node_data)
  418. # print("--------------------------------------------------------")
  419. # print(query_data)
  420. try:
  421. complex_log = ComplexChatSessionDao(db)
  422. if not conversation_id:
  423. session = await complex_log.get_session_by_session_id(session_id, chat_id)
  424. if session:
  425. conversation_id = session.conversation_id
  426. await complex_log.create_session(message_id,
  427. chat_id=chat_id,
  428. session_id=session_id,
  429. chat_mode=chat_mode,
  430. message_type=message_type,
  431. content=query,
  432. event_type=mode,
  433. tenant_id=user_id,
  434. conversation_id=conversation_id,
  435. node_data=json.dumps(node_data),
  436. query=json.dumps(query_data),
  437. agent_type=agent_type)
  438. return conversation_id, True
  439. except Exception as e:
  440. logger.error(e)
  441. return conversation_id, False
  442. async def add_query_files(db, message_id):
  443. query = {}
  444. complex_log = await ComplexChatSessionDao(db).get_session_by_id(message_id)
  445. if complex_log:
  446. query = json.loads(complex_log.query)
  447. return query.get("files", [])
  448. async def service_complex_chat(db, chat_id, mode, user_id, chat_request: ChatDataRequest):
  449. answer_event = ""
  450. answer_agent = ""
  451. answer_dialog = ""
  452. answer_workflow = ""
  453. download_url = ""
  454. message_id = ""
  455. task_id = ""
  456. error = ""
  457. node_list = []
  458. reference= {}
  459. conversation_id = ""
  460. query_data = chat_request.to_dict()
  461. new_message_id = str(uuid.uuid4())
  462. inputs = {"is_deep": chat_request.isDeep}
  463. files = chat_request.files
  464. if chat_request.chatMode == complex_content_optimization_chat:
  465. inputs["type"] = chat_request.optimizeType
  466. elif chat_request.chatMode == complex_dialog_chat:
  467. if not files and chat_request.parentId:
  468. files = await add_query_files(db, chat_request.parentId)
  469. if chat_request.chatMode != complex_content_optimization_chat:
  470. await add_session_log(db, chat_request.sessionId, chat_request.query if chat_request.query else "未命名会话", chat_id, user_id,
  471. mode, "", DF_TYPE)
  472. 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)
  473. if not message:
  474. yield "data: " + json.dumps({"message": smart_message_error,
  475. "error": "\n**ERROR**: 创建会话失败!", "status": http_500},
  476. ensure_ascii=False) + "\n\n"
  477. return
  478. query_data["parentId"] = new_message_id
  479. try:
  480. if chat_request.chatMode == complex_knowledge_chat:
  481. if not conversation_id:
  482. session = await service_chat_sessions(db, chat_id, chat_request.query)
  483. # print(session)
  484. if not session or session.get("code") != 0:
  485. yield "data: " + json.dumps(
  486. {"message": smart_message_error, "error": "\n**ERROR**: chat agent error", "status": http_500})
  487. return
  488. conversation_id = session.get("data", {}).get("id")
  489. token = await get_chat_token(db, rg_api_token)
  490. url = settings.fwr_base_url + RG_CHAT_DIALOG.format(chat_id)
  491. chat = ChatDialog()
  492. try:
  493. async for ans in chat.chat_completions(url, await chat.complex_request_data(chat_request.query, chat_request.knowledgeId, conversation_id),
  494. await chat.get_headers(token)):
  495. data = {}
  496. error = ""
  497. status = http_200
  498. if ans.get("code", None) == 102:
  499. error = ans.get("message", "error!")
  500. status = http_400
  501. event = smart_message_error
  502. else:
  503. if isinstance(ans.get("data"), bool) and ans.get("data") is True:
  504. event = smart_message_end
  505. else:
  506. data = ans.get("data", {})
  507. # conversation_id = data.get("session_id", "")
  508. if "session_id" in data:
  509. del data["session_id"]
  510. data["prompt"] = ""
  511. if not message_id:
  512. message_id = data.get("id", "")
  513. answer_dialog = data.get("answer", "")
  514. reference = data.get("reference", {})
  515. event = smart_message_cover
  516. message_str = "data: " + json.dumps(
  517. {"event": event, "data": data, "error": error, "status": status, "message_id":message_id,
  518. "parent_id": new_message_id,
  519. "session_id": chat_request.sessionId},
  520. ensure_ascii=False) + "\n\n"
  521. for i in range(0, len(message_str), max_chunk_size):
  522. chunk = message_str[i:i + max_chunk_size]
  523. # print(chunk)
  524. yield chunk # 发送分块消息
  525. except Exception as e:
  526. logger.error(e)
  527. try:
  528. yield "data: " + json.dumps({"message": smart_message_error,
  529. "error": "\n**ERROR**: " + str(e), "status": http_500},
  530. ensure_ascii=False) + "\n\n"
  531. except:
  532. ...
  533. else:
  534. token = await get_chat_token(db, chat_id)
  535. chat, url = await get_chat_object(mode)
  536. async for ans in chat.chat_completions(url,
  537. await chat.complex_request_data(chat_request.query, conversation_id, str(user_id), files=files, inputs=inputs),
  538. await chat.get_headers(token)):
  539. # print(ans)
  540. data = {}
  541. status = http_200
  542. conversation_id = ans.get("conversation_id")
  543. task_id = ans.get("task_id")
  544. if ans.get("event") == message_error:
  545. error = ans.get("message", "参数异常!")
  546. status = http_400
  547. event = smart_message_error
  548. elif ans.get("event") == message_agent:
  549. data = {"answer": ans.get("answer", ""), "id": ans.get("message_id", "")}
  550. answer_agent += ans.get("answer", "")
  551. message_id = ans.get("message_id", "")
  552. event = smart_message_stream
  553. elif ans.get("event") == message_event:
  554. data = {"answer": ans.get("answer", ""), "id": ans.get("message_id", "")}
  555. answer_event += ans.get("answer", "")
  556. message_id = ans.get("message_id", "")
  557. event = smart_message_stream
  558. elif ans.get("event") == message_file:
  559. data = {"url": ans.get("url", ""), "id": ans.get("id", ""),
  560. "type": ans.get("type", "")}
  561. files.append(data)
  562. event = smart_message_file
  563. elif ans.get("event") in [workflow_started, node_started, node_finished]:
  564. data = ans.get("data", {})
  565. data["inputs"] = await data_process(data.get("inputs", {}))
  566. data["outputs"] = await data_process(data.get("outputs", {}))
  567. data["files"] = await data_process(data.get("files", []))
  568. data["process_data"] = ""
  569. if data.get("status") == "failed":
  570. status = http_500
  571. error = data.get("error", "")
  572. node_list.append(ans)
  573. event = [smart_workflow_started, smart_node_started, smart_node_finished][
  574. [workflow_started, node_started, node_finished].index(ans.get("event"))]
  575. elif ans.get("event") == workflow_finished:
  576. data = ans.get("data", {})
  577. answer_workflow = data.get("outputs", {}).get("output", data.get("outputs", {}).get("answer"))
  578. download_url = data.get("outputs", {}).get("download_url")
  579. event = smart_workflow_finished
  580. if data.get("status") == "failed":
  581. status = http_500
  582. error = data.get("error", "")
  583. node_list.append(ans)
  584. elif ans.get("event") == message_end:
  585. event = smart_message_end
  586. else:
  587. continue
  588. yield "data: " + json.dumps(
  589. {"event": event, "data": data, "error": error, "status": status, "task_id": task_id, "message_id":message_id,
  590. "parent_id": new_message_id,
  591. "session_id": chat_request.sessionId},
  592. ensure_ascii=False) + "\n\n"
  593. except Exception as e:
  594. logger.error(e)
  595. try:
  596. yield "data: " + json.dumps({"message": smart_message_error,
  597. "error": "\n**ERROR**: " + str(e), "status": http_500},
  598. ensure_ascii=False) + "\n\n"
  599. except:
  600. ...
  601. finally:
  602. # await update_session_log(db, session_id, {"role": "assistant",
  603. # "answer": answer_event or answer_agent or answer_workflow or error,
  604. # "download_url": download_url,
  605. # "node_list": node_list, "task_id": task_id, "id": message_id,
  606. # "error": error}, conversation_id)
  607. if message_id:
  608. 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)
  609. async def service_complex_upload(db, chat_id, file, user_id):
  610. files = []
  611. token = await get_chat_token(db, chat_id)
  612. if not token:
  613. return files
  614. url = settings.dify_base_url + DF_UPLOAD_FILE
  615. chat = ChatBaseApply()
  616. for f in file:
  617. try:
  618. file_content = await f.read()
  619. file_upload = await chat.chat_upload(url, {"file": (f.filename, file_content)}, {"user": str(user_id)},
  620. {'Authorization': f'Bearer {token}'})
  621. # try:
  622. # tokens = await read_file(file_content, f.filename, f.content_type)
  623. # file_upload["tokens"] = tokens
  624. # except:
  625. # ...
  626. files.append(file_upload)
  627. except Exception as e:
  628. logger.error(e)
  629. return json.dumps(files) if files else ""
  630. if __name__ == "__main__":
  631. q = json.dumps({"query": "设备", "dataset_ids": ["fc68db52f43111efb94a0242ac120004"]})
  632. top_k = 2
  633. similarity_threshold = 0.5
  634. api_key = "ragflow-Y4MGYwY2JlZjM2YjExZWY4ZWU5MDI0Mm"
  635. # a = service_chunk_retrieval(q, top_k, similarity_threshold, api_key)
  636. # print(a)
  637. async def a():
  638. b = await service_chunk_retrieval(q, top_k, similarity_threshold, api_key)
  639. print(b)
  640. asyncio.run(a())