From dddaef0e6ce5af477db2b08eaaab24484f9a9cd7 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Thu, 29 Dec 2022 20:51:11 -0800
Subject: [PATCH] Add lru_cache for get_shader_code_from_file

---
 manimlib/shader_wrapper.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/manimlib/shader_wrapper.py b/manimlib/shader_wrapper.py
index 13fb3a28..8728833a 100644
--- a/manimlib/shader_wrapper.py
+++ b/manimlib/shader_wrapper.py
@@ -7,6 +7,8 @@ import re
 import moderngl
 import numpy as np
 
+from functools import lru_cache
+
 from manimlib.utils.directories import get_shader_dir
 from manimlib.utils.file_ops import find_file
 from manimlib.utils.iterables import resize_array
@@ -159,7 +161,7 @@ class ShaderWrapper(object):
 # For caching
 filename_to_code_map: dict[str, str] = {}
 
-
+@lru_cache(maxsize=12)
 def get_shader_code_from_file(filename: str) -> str | None:
     if not filename:
         return None