From ade0f07eacd6045f094327dd3f7a18beadf445bf Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 17 Sep 2024 10:08:07 +0530
Subject: [PATCH] Use an LRU cache for guess_type

---
 src/calibre/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/__init__.py b/src/calibre/__init__.py
index 41c650fd88f1..37bb1bb63588 100644
--- a/src/calibre/__init__.py
+++ b/src/calibre/__init__.py
@@ -56,6 +56,7 @@ def _init_mimetypes():
     _mt_inited = True
 
 
+@lru_cache(4096)
 def guess_type(*args, **kwargs):
     import mimetypes
     if not _mt_inited: