Files
LangBot/pkg/vector/vdb.py
2025-07-16 22:15:03 +08:00

38 lines
1.1 KiB
Python

from __future__ import annotations
import abc
from typing import Any, Dict
import numpy as np
class VectorDatabase(abc.ABC):
@abc.abstractmethod
async def add_embeddings(
self,
collection: str,
ids: list[str],
embeddings_list: list[list[float]],
metadatas: list[dict[str, Any]],
documents: list[str],
) -> None:
"""向指定 collection 添加向量数据。"""
pass
@abc.abstractmethod
async def search(self, collection: str, query_embedding: np.ndarray, k: int = 5) -> Dict[str, Any]:
"""在指定 collection 中检索最相似的向量。"""
pass
@abc.abstractmethod
async def delete_by_file_id(self, collection: str, file_id: str) -> None:
"""根据 file_id 删除指定 collection 中的向量。"""
pass
@abc.abstractmethod
async def get_or_create_collection(self, collection: str):
"""获取或创建 collection。"""
pass
@abc.abstractmethod
async def delete_collection(self, collection: str):
pass