From 124bfc93ed2d3702cf9d9af9ff9b5985ec2b7b45 Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期二, 18 二月 2025 15:51:23 +0800
Subject: [PATCH] commit
---
app/service/v2/chat.py | 134 ++++++++++++++++++++++++++++++++++++++------
1 files changed, 114 insertions(+), 20 deletions(-)
diff --git a/app/service/v2/chat.py b/app/service/v2/chat.py
index ddd17a2..246b3f1 100644
--- a/app/service/v2/chat.py
+++ b/app/service/v2/chat.py
@@ -1,16 +1,21 @@
+import io
import json
+
+import fitz
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
from app.config.config import settings
from app.config.const import *
-from app.models import DialogModel, ApiTokenModel
+from app.models import DialogModel, ApiTokenModel, UserTokenModel
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
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):
@@ -40,12 +45,29 @@
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):
app_token = db.query(ApiTokenModel).filter_by(app_id=app_id).first()
if app_token:
return app_token.token
return ""
+
+
+async def add_chat_token(db, data):
+ try:
+ api_token = ApiTokenModel(**data)
+ db.add(api_token)
+ db.commit()
+ except Exception as e:
+ logger.error(e)
+
async def get_chat_info(db, chat_id: str):
@@ -102,7 +124,7 @@
logger.error(e)
try:
yield "data: " + json.dumps({"message": smart_message_error,
- "error": "**ERROR**: " + str(e), "status": http_500},
+ "error": "\n**ERROR**: " + str(e), "status": http_500},
ensure_ascii=False) + "\n\n"
except:
...
@@ -168,6 +190,7 @@
data = ans.get("data", {})
event = smart_workflow_finished
node_list.append(ans)
+
elif ans.get("event") == message_end:
event = smart_message_end
else:
@@ -182,7 +205,7 @@
logger.error(e)
try:
yield "data: " + json.dumps({"message": smart_message_error,
- "error": "**ERROR**: " + str(e), "status": http_500},
+ "error": "\n**ERROR**: " + str(e), "status": http_500},
ensure_ascii=False) + "\n\n"
except:
...
@@ -192,7 +215,7 @@
"error": error}, conversation_id)
-async def service_chat_basic(db, chat_id: str, question: str, session_id: str, user_id):
+async def service_chat_basic(db, chat_id: str, chat_data: ChatData, session_id: str, user_id, mode: str):
...
@@ -200,21 +223,22 @@
chat_info = db.query(DialogModel).filter_by(id=chat_id).first()
if not chat_info:
return {}
- 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))
+ 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):
@@ -224,3 +248,73 @@
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_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)
+ # print(f"缁忚繃鍒囧垎鍚庣殑token id涓猴細{tokens}銆�")
+ # # 缁忚繃鍒囧垎鍚庣殑token id涓猴細 [31935, 64559, 99320, 56007, 100629, 104795, 99788, 1773]
+ # print(f"缁忚繃鍒囧垎鍚庡叡鏈墈len(tokens)}涓猼oken")
+ # # 缁忚繃鍒囧垎鍚庡叡鏈�8涓猼oken
+ #
+ # # 灏唗oken id杞寲涓哄瓧绗︿覆骞舵墦鍗板嚭鏉�
+ # for i in range(len(tokens)):
+ # print(f"token id涓簕tokens[i]}瀵瑰簲鐨勫瓧绗︿覆涓猴細{tokenizer.decode(tokens[i])}")
+ 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)
--
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