SDK for Assistant (#2266)

### What problem does this PR solve?

SDK for Assistant
#1102 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

Co-authored-by: Feiue <[email protected]>

api/apps/sdk/assistant.py

@@ -0,0 +1,293 @@
+#
+#  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 flask import request
+
+from api.db import StatusEnum
+from api.db.services.dialog_service import DialogService
+from api.db.services.document_service import DocumentService
+from api.db.services.knowledgebase_service import KnowledgebaseService
+from api.db.services.user_service import TenantService
+from api.settings import RetCode
+from api.utils import get_uuid
+from api.utils.api_utils import get_data_error_result, token_required
+from api.utils.api_utils import get_json_result
+
+
+@manager.route('/save', methods=['POST'])
+@token_required
+def save(tenant_id):
+    req = request.json
+    id = req.get("id")
+    # dataset
+    if req.get("knowledgebases") == []:
+        return get_data_error_result(retmsg="knowledgebases can not be empty list")
+    kb_list = []
+    if req.get("knowledgebases"):
+        for kb in req.get("knowledgebases"):
+            if not kb["id"]:
+                return get_data_error_result(retmsg="knowledgebase needs id")
+            if not KnowledgebaseService.query(id=kb["id"], tenant_id=tenant_id):
+                return get_data_error_result(retmsg="you do not own the knowledgebase")
+            if not DocumentService.query(kb_id=kb["id"]):
+                return get_data_error_result(retmsg="There is a invalid knowledgebase")
+            kb_list.append(kb["id"])
+    req["kb_ids"] = kb_list
+    # llm
+    llm = req.get("llm")
+    if llm:
+        if "model_name" in llm:
+            req["llm_id"] = llm.pop("model_name")
+        req["llm_setting"] = req.pop("llm")
+    e, tenant = TenantService.get_by_id(tenant_id)
+    if not e:
+        return get_data_error_result(retmsg="Tenant not found!")
+    # prompt
+    prompt = req.get("prompt")
+    key_mapping = {"parameters": "variables",
+                   "prologue": "opener",
+                   "quote": "show_quote",
+                   "system": "prompt",
+                   "rerank_id": "rerank_model",
+                   "vector_similarity_weight": "keywords_similarity_weight"}
+    key_list = ["similarity_threshold", "vector_similarity_weight", "top_n", "rerank_id"]
+    if prompt:
+        for new_key, old_key in key_mapping.items():
+            if old_key in prompt:
+                prompt[new_key] = prompt.pop(old_key)
+        for key in key_list:
+            if key in prompt:
+                req[key] = prompt.pop(key)
+        req["prompt_config"] = req.pop("prompt")
+    # create
+    if not id:
+        # dataset
+        if not kb_list:
+            return get_data_error_result(retmsg="knowledgebase is required!")
+        # init
+        req["id"] = get_uuid()
+        req["description"] = req.get("description", "A helpful Assistant")
+        req["icon"] = req.get("avatar", "")
+        req["top_n"] = req.get("top_n", 6)
+        req["top_k"] = req.get("top_k", 1024)
+        req["rerank_id"] = req.get("rerank_id", "")
+        req["llm_id"] = req.get("llm_id", tenant.llm_id)
+        if not req.get("name"):
+            return get_data_error_result(retmsg="name is required.")
+        if DialogService.query(name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value):
+            return get_data_error_result(retmsg="Duplicated assistant name in creating dataset.")
+        # tenant_id
+        if req.get("tenant_id"):
+            return get_data_error_result(retmsg="tenant_id must not be provided.")
+        req["tenant_id"] = tenant_id
+        # prompt more parameter
+        default_prompt = {
+            "system": """你是一个智能助手，请总结知识库的内容来回答问题，请列举知识库中的数据详细回答。当所有知识库内容都与问题无关时，你的回答必须包括“知识库中未找到您要的答案！”这句话。回答需要考虑聊天历史。
+                以下是知识库：
+                {knowledge}
+                以上是知识库。""",
+            "prologue": "您好，我是您的助手小樱，长得可爱又善良，can I help you?",
+            "parameters": [
+                {"key": "knowledge", "optional": False}
+            ],
+            "empty_response": "Sorry! 知识库中未找到相关内容！"
+        }
+        key_list_2 = ["system", "prologue", "parameters", "empty_response"]
+        if "prompt_config" not in req:
+            req['prompt_config'] = {}
+        for key in key_list_2:
+            temp = req['prompt_config'].get(key)
+            if not temp:
+                req['prompt_config'][key] = default_prompt[key]
+        for p in req['prompt_config']["parameters"]:
+            if p["optional"]:
+                continue
+            if req['prompt_config']["system"].find("{%s}" % p["key"]) < 0:
+                return get_data_error_result(
+                    retmsg="Parameter '{}' is not used".format(p["key"]))
+        # save
+        if not DialogService.save(**req):
+            return get_data_error_result(retmsg="Fail to new an assistant!")
+        # response
+        e, res = DialogService.get_by_id(req["id"])
+        if not e:
+            return get_data_error_result(retmsg="Fail to new an assistant!")
+        res = res.to_json()
+        renamed_dict = {}
+        for key, value in res["prompt_config"].items():
+            new_key = key_mapping.get(key, key)
+            renamed_dict[new_key] = value
+        res["prompt"] = renamed_dict
+        del res["prompt_config"]
+        new_dict = {"similarity_threshold": res["similarity_threshold"],
+                    "keywords_similarity_weight": res["vector_similarity_weight"],
+                    "top_n": res["top_n"],
+                    "rerank_model": res['rerank_id']}
+        res["prompt"].update(new_dict)
+        for key in key_list:
+            del res[key]
+        res["llm"] = res.pop("llm_setting")
+        res["llm"]["model_name"] = res.pop("llm_id")
+        del res["kb_ids"]
+        res["knowledgebases"] = req["knowledgebases"]
+        res["avatar"] = res.pop("icon")
+        return get_json_result(data=res)
+    else:
+        # authorization
+        if not DialogService.query(tenant_id=tenant_id, id=req["id"], status=StatusEnum.VALID.value):
+            return get_json_result(data=False, retmsg='You do not own the assistant', retcode=RetCode.OPERATING_ERROR)
+        # prompt
+        e, res = DialogService.get_by_id(req["id"])
+        res = res.to_json()
+        if "name" in req:
+            if not req.get("name"):
+                return get_data_error_result(retmsg="name is not empty.")
+            if req["name"].lower() != res["name"].lower() \
+                    and len(DialogService.query(name=req["name"], tenant_id=tenant_id,status=StatusEnum.VALID.value)) > 0:
+                return get_data_error_result(retmsg="Duplicated knowledgebase name in updating dataset.")
+        if "prompt_config" in req:
+            res["prompt_config"].update(req["prompt_config"])
+            for p in res["prompt_config"]["parameters"]:
+                if p["optional"]:
+                    continue
+                if res["prompt_config"]["system"].find("{%s}" % p["key"]) < 0:
+                    return get_data_error_result(retmsg="Parameter '{}' is not used".format(p["key"]))
+        if "llm_setting" in req:
+            res["llm_setting"].update(req["llm_setting"])
+        req["prompt_config"] = res["prompt_config"]
+        req["llm_setting"] = res["llm_setting"]
+        # avatar
+        if "avatar" in req:
+            req["icon"] = req.pop("avatar")
+        assistant_id = req.pop("id")
+        if "knowledgebases" in req:
+            req.pop("knowledgebases")
+        if not DialogService.update_by_id(assistant_id, req):
+            return get_data_error_result(retmsg="Assistant not found!")
+        return get_json_result(data=True)
+
+
+@manager.route('/delete', methods=['DELETE'])
+@token_required
+def delete(tenant_id):
+    req = request.args
+    if "id" not in req:
+        return get_data_error_result(retmsg="id is required")
+    id = req['id']
+    if not DialogService.query(tenant_id=tenant_id, id=id,status=StatusEnum.VALID.value):
+        return get_json_result(data=False, retmsg='you do not own the assistant.', retcode=RetCode.OPERATING_ERROR)
+
+    temp_dict = {"status": StatusEnum.INVALID.value}
+    DialogService.update_by_id(req["id"], temp_dict)
+    return get_json_result(data=True)
+
+
+@manager.route('/get', methods=['GET'])
+@token_required
+def get(tenant_id):
+    req = request.args
+    if "id" in req:
+        id = req["id"]
+        ass = DialogService.query(tenant_id=tenant_id, id=id,status=StatusEnum.VALID.value)
+        if not ass:
+            return get_json_result(data=False, retmsg='You do not own the assistant.', retcode=RetCode.OPERATING_ERROR)
+        if "name" in req:
+            name = req["name"]
+            if ass[0].name != name:
+                return get_json_result(data=False, retmsg='name does not match id.', retcode=RetCode.OPERATING_ERROR)
+        res=ass[0].to_json()
+    else:
+        if "name" in req:
+            name = req["name"]
+            ass = DialogService.query(name=name, tenant_id=tenant_id,status=StatusEnum.VALID.value)
+            if not ass:
+                return get_json_result(data=False, retmsg='You do not own the dataset.',retcode=RetCode.OPERATING_ERROR)
+            res=ass[0].to_json()
+        else:
+            return get_data_error_result(retmsg="At least one of `id` or `name` must be provided.")
+    renamed_dict = {}
+    key_mapping = {"parameters": "variables",
+                   "prologue": "opener",
+                   "quote": "show_quote",
+                   "system": "prompt",
+                   "rerank_id": "rerank_model",
+                   "vector_similarity_weight": "keywords_similarity_weight"}
+    key_list = ["similarity_threshold", "vector_similarity_weight", "top_n", "rerank_id"]
+    for key, value in res["prompt_config"].items():
+        new_key = key_mapping.get(key, key)
+        renamed_dict[new_key] = value
+    res["prompt"] = renamed_dict
+    del res["prompt_config"]
+    new_dict = {"similarity_threshold": res["similarity_threshold"],
+                "keywords_similarity_weight": res["vector_similarity_weight"],
+                "top_n": res["top_n"],
+                "rerank_model": res['rerank_id']}
+    res["prompt"].update(new_dict)
+    for key in key_list:
+        del res[key]
+    res["llm"] = res.pop("llm_setting")
+    res["llm"]["model_name"] = res.pop("llm_id")
+    kb_list = []
+    for kb_id in res["kb_ids"]:
+        kb = KnowledgebaseService.query(id=kb_id)
+        kb_list.append(kb[0].to_json())
+    del res["kb_ids"]
+    res["knowledgebases"] = kb_list
+    res["avatar"] = res.pop("icon")
+    return get_json_result(data=res)
+
+
+@manager.route('/list', methods=['GET'])
+@token_required
+def list_assistants(tenant_id):
+    assts = DialogService.query(
+        tenant_id=tenant_id,
+        status=StatusEnum.VALID.value,
+        reverse=True,
+        order_by=DialogService.model.create_time)
+    assts = [d.to_dict() for d in assts]
+    list_assts=[]
+    renamed_dict = {}
+    key_mapping = {"parameters": "variables",
+                   "prologue": "opener",
+                   "quote": "show_quote",
+                   "system": "prompt",
+                   "rerank_id": "rerank_model",
+                   "vector_similarity_weight": "keywords_similarity_weight"}
+    key_list = ["similarity_threshold", "vector_similarity_weight", "top_n", "rerank_id"]
+    for res in assts:
+        for key, value in res["prompt_config"].items():
+            new_key = key_mapping.get(key, key)
+            renamed_dict[new_key] = value
+        res["prompt"] = renamed_dict
+        del res["prompt_config"]
+        new_dict = {"similarity_threshold": res["similarity_threshold"],
+                    "keywords_similarity_weight": res["vector_similarity_weight"],
+                    "top_n": res["top_n"],
+                    "rerank_model": res['rerank_id']}
+        res["prompt"].update(new_dict)
+        for key in key_list:
+            del res[key]
+        res["llm"] = res.pop("llm_setting")
+        res["llm"]["model_name"] = res.pop("llm_id")
+        kb_list = []
+        for kb_id in res["kb_ids"]:
+            kb = KnowledgebaseService.query(id=kb_id)
+            kb_list.append(kb[0].to_json())
+        del res["kb_ids"]
+        res["knowledgebases"] = kb_list
+        res["avatar"] = res.pop("icon")
+        list_assts.append(res)
+    return get_json_result(data=list_assts)

sdk/python/ragflow/__init__.py

@@ -3,4 +3,5 @@
 __version__ = importlib.metadata.version("ragflow")
 
 from .ragflow import RAGFlow
-from .modules.dataset import DataSet
+from .modules.dataset import DataSet
+from .modules.chat_assistant import Assistant

sdk/python/ragflow/modules/chat_assistant.py

@@ -0,0 +1,56 @@
+from .base import Base
+
+
+class Assistant(Base):
+    def __init__(self, rag, res_dict):
+        self.id=""
+        self.name = "assistant"
+        self.avatar = "path/to/avatar"
+        self.knowledgebases = ["kb1"]
+        self.llm = Assistant.LLM(rag, {})
+        self.prompt = Assistant.Prompt(rag, {})
+        super().__init__(rag, res_dict)
+
+    class LLM(Base):
+        def __init__(self, rag, res_dict):
+            self.model_name = "deepseek-chat"
+            self.temperature = 0.1
+            self.top_p = 0.3
+            self.presence_penalty = 0.4
+            self.frequency_penalty = 0.7
+            self.max_tokens = 512
+            super().__init__(rag, res_dict)
+
+    class Prompt(Base):
+        def __init__(self, rag, res_dict):
+            self.similarity_threshold = 0.2
+            self.keywords_similarity_weight = 0.7
+            self.top_n = 8
+            self.variables = [{"key": "knowledge", "optional": True}]
+            self.rerank_model = None
+            self.empty_response = None
+            self.opener = "Hi! I'm your assistant, what can I do for you?"
+            self.show_quote = True
+            self.prompt = (
+                "You are an intelligent assistant. Please summarize the content of the knowledge base to answer the question. "
+                "Please list the data in the knowledge base and answer in detail. When all knowledge base content is irrelevant to the question, "
+                "your answer must include the sentence 'The answer you are looking for is not found in the knowledge base!' "
+                "Answers need to consider chat history.\nHere is the knowledge base:\n{knowledge}\nThe above is the knowledge base."
+            )
+            super().__init__(rag, res_dict)
+
+    def save(self) -> bool:
+        res = self.post('/assistant/save',
+                        {"id": self.id, "name": self.name, "avatar": self.avatar, "knowledgebases":self.knowledgebases,
+                         "llm":self.llm.to_json(),"prompt":self.prompt.to_json()
+                         })
+        res = res.json()
+        if res.get("retmsg") == "success": return True
+        raise Exception(res["retmsg"])
+
+    def delete(self) -> bool:
+        res = self.rm('/assistant/delete',
+                      {"id": self.id})
+        res = res.json()
+        if res.get("retmsg") == "success": return True
+        raise Exception(res["retmsg"])