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### What problem does this PR solve? SDK for session #1102 ### Type of change - [x] New Feature (non-breaking change which adds functionality) --------- Co-authored-by: Feiue <[email protected]> Co-authored-by: Kevin Hu <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| # | ||
| # 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. | ||
| # | ||
| import json | ||
| from copy import deepcopy | ||
| from uuid import uuid4 | ||
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|
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| from flask import request, Response | ||
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|
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| from api.db import StatusEnum | ||
| from api.db.services.dialog_service import DialogService, ConversationService, chat | ||
| from api.utils import get_uuid | ||
| from api.utils.api_utils import get_data_error_result | ||
| from api.utils.api_utils import get_json_result, token_required | ||
|
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| @manager.route('/save', methods=['POST']) | ||
| @token_required | ||
| def set_conversation(tenant_id): | ||
| req = request.json | ||
| conv_id = req.get("id") | ||
| if "messages" in req: | ||
| req["message"] = req.pop("messages") | ||
| if req["message"]: | ||
| for message in req["message"]: | ||
| if "reference" in message: | ||
| req["reference"] = message.pop("reference") | ||
| if "assistant_id" in req: | ||
| req["dialog_id"] = req.pop("assistant_id") | ||
| if "id" in req: | ||
| del req["id"] | ||
| conv = ConversationService.query(id=conv_id) | ||
| if not conv: | ||
| return get_data_error_result(retmsg="Session does not exist") | ||
| if not DialogService.query(id=conv[0].dialog_id, tenant_id=tenant_id, status=StatusEnum.VALID.value): | ||
| return get_data_error_result(retmsg="You do not own the session") | ||
| if req.get("dialog_id"): | ||
| dia = DialogService.query(tenant_id=tenant_id, id=req["dialog_id"], status=StatusEnum.VALID.value) | ||
| if not dia: | ||
| return get_data_error_result(retmsg="You do not own the assistant") | ||
| if "dialog_id" in req and not req.get("dialog_id"): | ||
| return get_data_error_result(retmsg="assistant_id can not be empty.") | ||
| if "name" in req and not req.get("name"): | ||
| return get_data_error_result(retmsg="name can not be empty.") | ||
| if "message" in req and not req.get("message"): | ||
| return get_data_error_result(retmsg="messages can not be empty") | ||
| if not ConversationService.update_by_id(conv_id, req): | ||
| return get_data_error_result(retmsg="Session updates error") | ||
| return get_json_result(data=True) | ||
|
|
||
| if not req.get("dialog_id"): | ||
| return get_data_error_result(retmsg="assistant_id is required.") | ||
| dia = DialogService.query(tenant_id=tenant_id, id=req["dialog_id"], status=StatusEnum.VALID.value) | ||
| if not dia: | ||
| return get_data_error_result(retmsg="You do not own the assistant") | ||
| conv = { | ||
| "id": get_uuid(), | ||
| "dialog_id": req["dialog_id"], | ||
| "name": req.get("name", "New session"), | ||
| "message": req.get("message", [{"role": "assistant", "content": dia[0].prompt_config["prologue"]}]), | ||
| "reference": req.get("reference", []) | ||
| } | ||
| if not conv.get("name"): | ||
| return get_data_error_result(retmsg="name can not be empty.") | ||
| if not conv.get("message"): | ||
| return get_data_error_result(retmsg="messages can not be empty") | ||
| ConversationService.save(**conv) | ||
| e, conv = ConversationService.get_by_id(conv["id"]) | ||
| if not e: | ||
| return get_data_error_result(retmsg="Fail to new session!") | ||
| conv = conv.to_dict() | ||
| conv["messages"] = conv.pop("message") | ||
| conv["assistant_id"] = conv.pop("dialog_id") | ||
| for message in conv["messages"]: | ||
| message["reference"] = conv.get("reference") | ||
| del conv["reference"] | ||
| return get_json_result(data=conv) | ||
|
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| @manager.route('/completion', methods=['POST']) | ||
| @token_required | ||
| def completion(tenant_id): | ||
| req = request.json | ||
| # req = {"conversation_id": "9aaaca4c11d311efa461fa163e197198", "messages": [ | ||
| # {"role": "user", "content": "上海有吗？"} | ||
| # ]} | ||
| msg = [] | ||
| question = { | ||
| "content": req.get("question"), | ||
| "role": "user", | ||
| "id": str(uuid4()) | ||
| } | ||
| req["messages"].append(question) | ||
| for m in req["messages"]: | ||
| if m["role"] == "system": continue | ||
| if m["role"] == "assistant" and not msg: continue | ||
| m["id"] = m.get("id", str(uuid4())) | ||
| msg.append(m) | ||
| message_id = msg[-1].get("id") | ||
| conv = ConversationService.query(id=req["id"]) | ||
| conv = conv[0] | ||
| if not conv: | ||
| return get_data_error_result(retmsg="Session does not exist") | ||
| if not DialogService.query(id=conv.dialog_id, tenant_id=tenant_id, status=StatusEnum.VALID.value): | ||
| return get_data_error_result(retmsg="You do not own the session") | ||
| conv.message = deepcopy(req["messages"]) | ||
| e, dia = DialogService.get_by_id(conv.dialog_id) | ||
| if not e: | ||
| return get_data_error_result(retmsg="Dialog not found!") | ||
| del req["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": []}) | ||
|
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| 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", "")} | ||
| ans["id"] = message_id | ||
|
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| def stream(): | ||
| nonlocal dia, msg, req, conv | ||
| try: | ||
| for ans in chat(dia, msg, **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" | ||
|
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| 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) |
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