Langchain-Chatchat/server/knowledge_base/kb_api.py

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2023-07-27 23:22:07 +08:00
import os
import urllib
import shutil
from configs.model_config import KB_ROOT_PATH
from server.utils import BaseResponse, ListResponse
from server.knowledge_base.utils import validate_kb_name, get_kb_path, get_vs_path
async def list_kbs():
# Get List of Knowledge Base
if not os.path.exists(KB_ROOT_PATH):
all_doc_ids = []
else:
all_doc_ids = [
folder
for folder in os.listdir(KB_ROOT_PATH)
if os.path.isdir(os.path.join(KB_ROOT_PATH, folder))
and os.path.exists(os.path.join(KB_ROOT_PATH, folder, "vector_store", "index.faiss"))
]
return ListResponse(data=all_doc_ids)
async def create_kb(knowledge_base_name: str):
# Create selected knowledge base
if not validate_kb_name(knowledge_base_name):
return BaseResponse(code=403, msg="Don't attack me")
if knowledge_base_name is None or knowledge_base_name.strip() == "":
return BaseResponse(code=404, msg="知识库名称不能为空,请重新填写知识库名称")
if os.path.exists(get_kb_path(knowledge_base_name)):
return BaseResponse(code=404, msg=f"已存在同名知识库 {knowledge_base_name}")
if not os.path.exists(os.path.join(KB_ROOT_PATH, knowledge_base_name, "content")):
os.makedirs(os.path.join(KB_ROOT_PATH, knowledge_base_name, "content"))
if not os.path.exists(os.path.join(KB_ROOT_PATH, knowledge_base_name, "vector_store")):
os.makedirs(get_vs_path(knowledge_base_name))
return BaseResponse(code=200, msg=f"已新增知识库 {knowledge_base_name}")
async def delete_kb(knowledge_base_name: str):
# Delete selected knowledge base
if not validate_kb_name(knowledge_base_name):
return BaseResponse(code=403, msg="Don't attack me")
knowledge_base_name = urllib.parse.unquote(knowledge_base_name)
kb_path = get_kb_path(knowledge_base_name)
if not os.path.exists(kb_path):
return BaseResponse(code=404, msg=f"未找到知识库 {knowledge_base_name}")
shutil.rmtree(kb_path)
return BaseResponse(code=200, msg=f"成功删除知识库 {knowledge_base_name}")