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#
# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from copy import deepcopy
from flask import request, Response
from flask_login import login_required,current_user
from api.db.services.dialog_service import DialogService, ConversationService, chat
from api.db.services.llm_service import LLMBundle, TenantService
from api.db import LLMType
from api.utils.api_utils import server_error_response, get_data_error_result, validate_request
from api.utils import get_uuid
from api.utils.api_utils import get_json_result
import json
@manager.route('/set', methods=['POST'])
@login_required
def set_conversation():
req = request.json
conv_id = req.get("conversation_id")
if conv_id:
del req["conversation_id"]
try:
if not ConversationService.update_by_id(conv_id, req):
return get_data_error_result(retmsg="Conversation not found!")
e, conv = ConversationService.get_by_id(conv_id)
if not e:
return get_data_error_result(
retmsg="Fail to update a conversation!")
conv = conv.to_dict()
return get_json_result(data=conv)
except Exception as e:
return server_error_response(e)
try:
e, dia = DialogService.get_by_id(req["dialog_id"])
if not e:
return get_data_error_result(retmsg="Dialog not found")
conv = {
"id": get_uuid(),
"dialog_id": req["dialog_id"],
"name": req.get("name", "New conversation"),
"message": [{"role": "assistant", "content": dia.prompt_config["prologue"]}]
}
ConversationService.save(**conv)
e, conv = ConversationService.get_by_id(conv["id"])
if not e:
return get_data_error_result(retmsg="Fail to new a conversation!")
conv = conv.to_dict()
return get_json_result(data=conv)
except Exception as e:
return server_error_response(e)
@manager.route('/get', methods=['GET'])
@login_required
def get():
conv_id = request.args["conversation_id"]
try:
e, conv = ConversationService.get_by_id(conv_id)
if not e:
return get_data_error_result(retmsg="Conversation not found!")
conv = conv.to_dict()
return get_json_result(data=conv)
except Exception as e:
return server_error_response(e)
@manager.route('/rm', methods=['POST'])
@login_required
def rm():
conv_ids = request.json["conversation_ids"]
try:
for cid in conv_ids:
ConversationService.delete_by_id(cid)
return get_json_result(data=True)
except Exception as e:
return server_error_response(e)
@manager.route('/list', methods=['GET'])
@login_required
def list_convsersation():
dialog_id = request.args["dialog_id"]
try:
convs = ConversationService.query(
dialog_id=dialog_id,
order_by=ConversationService.model.create_time,
reverse=True)
convs = [d.to_dict() for d in convs]
return get_json_result(data=convs)
except Exception as e:
return server_error_response(e)
@manager.route('/completion', methods=['POST'])
@login_required
#@validate_request("conversation_id", "messages")
def completion():
req = request.json
#req = {"conversation_id": "9aaaca4c11d311efa461fa163e197198", "messages": [
# {"role": "user", "content": "上海有吗？"}
#]}
msg = []
for m in req["messages"]:
if m["role"] == "system":
continue
if m["role"] == "assistant" and not msg:
continue
msg.append(m)
message_id = msg[-1].get("id")
try:
e, conv = ConversationService.get_by_id(req["conversation_id"])
if not e:
return get_data_error_result(retmsg="Conversation not found!")
conv.message.append(deepcopy(msg[-1]))
e, dia = DialogService.get_by_id(conv.dialog_id)
if not e:
return get_data_error_result(retmsg="Dialog not found!")
del req["conversation_id"]
del req["messages"]
if not conv.reference:
conv.reference = []
conv.message.append({"role": "assistant", "content": "", "id": message_id})
conv.reference.append({"chunks": [], "doc_aggs": []})
def fillin_conv(ans):
nonlocal conv, message_id
if not conv.reference:
conv.reference.append(ans["reference"])
else: conv.reference[-1] = ans["reference"]
conv.message[-1] = {"role": "assistant", "content": ans["answer"],
"id": message_id, "prompt": ans.get("prompt", "")}
def stream():
nonlocal dia, msg, req, conv
try:
for ans in chat(dia, msg, True, **req):
fillin_conv(ans)
yield "data:"+json.dumps({"retcode": 0, "retmsg": "", "data": ans}, ensure_ascii=False) + "\n\n"
ConversationService.update_by_id(conv.id, conv.to_dict())
except Exception as e:
yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
"data": {"answer": "**ERROR**: "+str(e), "reference": []}},
ensure_ascii=False) + "\n\n"
yield "data:"+json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
if req.get("stream", True):
resp = Response(stream(), mimetype="text/event-stream")
resp.headers.add_header("Cache-control", "no-cache")
resp.headers.add_header("Connection", "keep-alive")
resp.headers.add_header("X-Accel-Buffering", "no")
resp.headers.add_header("Content-Type", "text/event-stream; charset=utf-8")
return resp
else:
answer = None
for ans in chat(dia, msg, **req):
answer = ans
fillin_conv(ans)
ConversationService.update_by_id(conv.id, conv.to_dict())
break
return get_json_result(data=answer)
except Exception as e:
return server_error_response(e)
@manager.route('/tts', methods=['POST'])
@login_required
def tts():
req = request.json
text = req["text"]
tenants = TenantService.get_by_user_id(current_user.id)
if not tenants:
return get_data_error_result(retmsg="Tenant not found!")
tts_id = tenants[0]["tts_id"]
if not tts_id:
return get_data_error_result(retmsg="No default TTS model is set")
tts_mdl = LLMBundle(tenants[0]["tenant_id"], LLMType.TTS, tts_id)
def stream_audio():
try:
for chunk in tts_mdl(text):
yield chunk
except Exception as e:
yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
"data": {"answer": "**ERROR**: "+str(e)}},
ensure_ascii=False).encode('utf-8')
resp = Response(stream_audio(), mimetype="audio/mpeg")
resp.headers.add_header("Cache-Control", "no-cache")
resp.headers.add_header("Connection", "keep-alive")
resp.headers.add_header("X-Accel-Buffering", "no")
return resp
@manager.route('/delete_msg', methods=['POST'])
@login_required
@validate_request("conversation_id", "message_id")
def delete_msg():
req = request.json
e, conv = ConversationService.get_by_id(req["conversation_id"])
if not e:
return get_data_error_result(retmsg="Conversation not found!")
conv = conv.to_dict()
for i, msg in enumerate(conv["message"]):
if req["message_id"] != msg.get("id", ""):
continue
assert conv["message"][i+1]["id"] == req["message_id"]
conv["message"].pop(i)
conv["message"].pop(i)
conv["reference"].pop(i)
break
ConversationService.update_by_id(conv["id"], conv)
return get_json_result(data=conv)
@manager.route('/thumbup', methods=['POST'])
@login_required
@validate_request("conversation_id", "message_id")
def thumbup():
req = request.json
e, conv = ConversationService.get_by_id(req["conversation_id"])
if not e:
return get_data_error_result(retmsg="Conversation not found!")
up_down = req.get("set")
feedback = req.get("feedback", "")
conv = conv.to_dict()
for i, msg in enumerate(conv["message"]):
if req["message_id"] == msg.get("id", "") and msg.get("role", "") == "assistant":
if up_down:
msg["thumbup"] = True
if "feedback" in msg: del msg["feedback"]
else:
msg["thumbup"] = False
if feedback: msg["feedback"] = feedback
break
ConversationService.update_by_id(conv["id"], conv)
return get_json_result(data=conv)
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