refactor: 优化缓存策略

This commit is contained in:
jxxghp
2024-11-21 15:52:08 +08:00
parent acd9e38477
commit ebffdebdb2
9 changed files with 90 additions and 60 deletions

View File

@@ -15,7 +15,7 @@ from app.schemas.types import MediaType
lock = RLock()
CACHE_EXPIRE_TIMESTAMP_STR = "cache_expire_timestamp"
EXPIRE_TIMESTAMP = settings.CACHE_CONF.get('meta')
EXPIRE_TIMESTAMP = settings.CACHE_CONF["meta"]
class TmdbCache(metaclass=Singleton):
@@ -75,7 +75,7 @@ class TmdbCache(metaclass=Singleton):
@return: 被删除的缓存内容
"""
with lock:
return self._meta_data.pop(key, None)
return self._meta_data.pop(key, {})
def delete_by_tmdbid(self, tmdbid: int) -> None:
"""
@@ -138,14 +138,14 @@ class TmdbCache(metaclass=Singleton):
if cache_year:
cache_year = cache_year[:4]
self._meta_data[self.__get_key(meta)] = {
"id": info.get("id"),
"type": info.get("media_type"),
"year": cache_year,
"title": cache_title,
"poster_path": info.get("poster_path"),
"backdrop_path": info.get("backdrop_path"),
CACHE_EXPIRE_TIMESTAMP_STR: int(time.time()) + EXPIRE_TIMESTAMP
}
"id": info.get("id"),
"type": info.get("media_type"),
"year": cache_year,
"title": cache_title,
"poster_path": info.get("poster_path"),
"backdrop_path": info.get("backdrop_path"),
CACHE_EXPIRE_TIMESTAMP_STR: int(time.time()) + EXPIRE_TIMESTAMP
}
elif info is not None:
# None时不缓存此时代表网络错误允许重复请求
self._meta_data[self.__get_key(meta)] = {'id': 0}
@@ -164,7 +164,7 @@ class TmdbCache(metaclass=Singleton):
return
with open(self._meta_path, 'wb') as f:
pickle.dump(new_meta_data, f, pickle.HIGHEST_PROTOCOL)
pickle.dump(new_meta_data, f, pickle.HIGHEST_PROTOCOL) # type: ignore
def _random_sample(self, new_meta_data: dict) -> bool:
"""

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@@ -1,9 +1,9 @@
import traceback
from functools import lru_cache
from typing import Optional, List
from urllib.parse import quote
import zhconv
from cachetools import TTLCache, cached
from lxml import etree
from app.core.config import settings
@@ -27,8 +27,6 @@ class TmdbApi:
self.tmdb.domain = settings.TMDB_API_DOMAIN
# 开启缓存
self.tmdb.cache = True
# 缓存大小
self.tmdb.REQUEST_CACHE_MAXSIZE = settings.CACHE_CONF.get('tmdb')
# APIKEY
self.tmdb.api_key = settings.TMDB_API_KEY
# 语种
@@ -466,7 +464,7 @@ class TmdbApi:
return ret_info
@lru_cache(maxsize=settings.CACHE_CONF.get('tmdb'))
@cached(cache=TTLCache(maxsize=settings.CACHE_CONF["tmdb"], ttl=settings.CACHE_CONF["meta"]))
def match_web(self, name: str, mtype: MediaType) -> Optional[dict]:
"""
搜索TMDB网站直接抓取结果结果只有一条时才返回

View File

@@ -4,11 +4,12 @@ import logging
import os
import time
from datetime import datetime
from functools import lru_cache
import requests
import requests.exceptions
from cachetools import TTLCache, cached
from app.core.config import settings
from app.utils.http import RequestUtils
from .exceptions import TMDbException
@@ -24,7 +25,6 @@ class TMDb(object):
TMDB_CACHE_ENABLED = "TMDB_CACHE_ENABLED"
TMDB_PROXIES = "TMDB_PROXIES"
TMDB_DOMAIN = "TMDB_DOMAIN"
REQUEST_CACHE_MAXSIZE = None
_req = None
_session = None
@@ -137,7 +137,7 @@ class TMDb(object):
def cache(self, cache):
os.environ[self.TMDB_CACHE_ENABLED] = str(cache)
@lru_cache(maxsize=REQUEST_CACHE_MAXSIZE)
@cached(cache=TTLCache(maxsize=settings.CACHE_CONF["tmdb"], ttl=settings.CACHE_CONF["meta"]))
def cached_request(self, method, url, data, json,
_ts=datetime.strftime(datetime.now(), '%Y%m%d')):
"""