fix #951 不缓存网络错误导致的TMDB信息None

app/utils/common.py

@@ -1,5 +1,6 @@
 import time
 from typing import Any
+from functools import lru_cache
 
 
 def retry(ExceptionToCheck: Any,
@@ -32,3 +33,22 @@ def retry(ExceptionToCheck: Any,
         return f_retry
 
     return deco_retry
+
+
+def lru_cache_without_none(maxsize=None, typed=False):
+    """
+    不缓存None的lru_cache
+    :param maxsize: 缓存大小
+    :param typed: 是否区分参数类型
+    """
+    def decorator(func):
+        cache = lru_cache(maxsize=maxsize, typed=typed)(func)
+
+        def wrapper(*args, **kwargs):
+            result = cache(*args, **kwargs)
+            if result is not None:
+                return result
+
+        return wrapper
+
+    return decorator