mirror of
https://github.com/1Panel-dev/MaxKB.git
synced 2025-12-26 01:33:05 +00:00
67 lines
1.9 KiB
Python
67 lines
1.9 KiB
Python
# coding=utf-8
|
||
"""
|
||
@project: maxkb
|
||
@Author：虎
|
||
@file： embedding_config.py
|
||
@date：2023/10/23 16:03
|
||
@desc:
|
||
"""
|
||
import threading
|
||
import time
|
||
|
||
from common.cache.mem_cache import MemCache
|
||
|
||
lock = threading.Lock()
|
||
|
||
|
||
class ModelManage:
|
||
cache = MemCache('model', {})
|
||
up_clear_time = time.time()
|
||
|
||
@staticmethod
|
||
def get_model(_id, get_model):
|
||
# 获取锁
|
||
lock.acquire()
|
||
try:
|
||
model_instance = ModelManage.cache.get(_id)
|
||
if model_instance is None or not model_instance.is_cache_model():
|
||
model_instance = get_model(_id)
|
||
ModelManage.cache.set(_id, model_instance, timeout=60 * 30)
|
||
return model_instance
|
||
# 续期
|
||
ModelManage.cache.touch(_id, timeout=60 * 30)
|
||
ModelManage.clear_timeout_cache()
|
||
return model_instance
|
||
finally:
|
||
# 释放锁
|
||
lock.release()
|
||
|
||
@staticmethod
|
||
def clear_timeout_cache():
|
||
if time.time() - ModelManage.up_clear_time > 60:
|
||
ModelManage.cache.clear_timeout_data()
|
||
|
||
@staticmethod
|
||
def delete_key(_id):
|
||
if ModelManage.cache.has_key(_id):
|
||
ModelManage.cache.delete(_id)
|
||
|
||
|
||
class VectorStore:
|
||
from embedding.vector.pg_vector import PGVector
|
||
from embedding.vector.base_vector import BaseVectorStore
|
||
instance_map = {
|
||
'pg_vector': PGVector,
|
||
}
|
||
instance = None
|
||
|
||
@staticmethod
|
||
def get_embedding_vector() -> BaseVectorStore:
|
||
from embedding.vector.pg_vector import PGVector
|
||
if VectorStore.instance is None:
|
||
from smartdoc.const import CONFIG
|
||
vector_store_class = VectorStore.instance_map.get(CONFIG.get("VECTOR_STORE_NAME"),
|
||
PGVector)
|
||
VectorStore.instance = vector_store_class()
|
||
return VectorStore.instance
|