74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
import urllib
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from fastapi import Body
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from chatchat.settings import Settings
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from chatchat.server.db.repository.knowledge_base_repository import list_kbs_from_db
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from chatchat.server.knowledge_base.kb_service.base import KBServiceFactory
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from chatchat.server.knowledge_base.utils import validate_kb_name
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from chatchat.server.utils import BaseResponse, ListResponse, get_default_embedding
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from chatchat.utils import build_logger
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logger = build_logger()
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def list_kbs():
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# Get List of Knowledge Base
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return ListResponse(data=list_kbs_from_db())
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def create_kb(
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knowledge_base_name: str = Body(..., examples=["samples"]),
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vector_store_type: str = Body(Settings.kb_settings.DEFAULT_VS_TYPE),
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kb_info: str = Body("", description="知识库内容简介，用于Agent选择知识库。"),
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embed_model: str = Body(get_default_embedding()),
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) -> BaseResponse:
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# Create selected knowledge base
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if not validate_kb_name(knowledge_base_name):
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return BaseResponse(code=403, msg="Don't attack me")
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if knowledge_base_name is None or knowledge_base_name.strip() == "":
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return BaseResponse(code=404, msg="知识库名称不能为空，请重新填写知识库名称")
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kb = KBServiceFactory.get_service_by_name(knowledge_base_name)
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if kb is not None:
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return BaseResponse(code=404, msg=f"已存在同名知识库 {knowledge_base_name}")
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kb = KBServiceFactory.get_service(
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knowledge_base_name, vector_store_type, embed_model, kb_info=kb_info
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)
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try:
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kb.create_kb()
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except Exception as e:
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msg = f"创建知识库出错： {e}"
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logger.error(f"{e.__class__.__name__}: {msg}")
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return BaseResponse(code=500, msg=msg)
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return BaseResponse(code=200, msg=f"已新增知识库 {knowledge_base_name}")
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def delete_kb(
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knowledge_base_name: str = Body(..., examples=["samples"]),
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) -> BaseResponse:
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# Delete selected knowledge base
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if not validate_kb_name(knowledge_base_name):
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return BaseResponse(code=403, msg="Don't attack me")
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knowledge_base_name = urllib.parse.unquote(knowledge_base_name)
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kb = KBServiceFactory.get_service_by_name(knowledge_base_name)
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if kb is None:
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return BaseResponse(code=404, msg=f"未找到知识库 {knowledge_base_name}")
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try:
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status = kb.clear_vs()
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status = kb.drop_kb()
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if status:
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return BaseResponse(code=200, msg=f"成功删除知识库 {knowledge_base_name}")
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except Exception as e:
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msg = f"删除知识库时出现意外： {e}"
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logger.error(f"{e.__class__.__name__}: {msg}")
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return BaseResponse(code=500, msg=msg)
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return BaseResponse(code=500, msg=f"删除知识库失败 {knowledge_base_name}")
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