From f0312565e5b4d56a421af889a9a8eaea0ba92959 Mon Sep 17 00:00:00 2001
From: Vladimir Mandic <mandic00@live.com>
Date: Sun, 15 Jan 2023 09:42:34 -0500
Subject: [PATCH] increase block size

---
 modules/hashes.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/hashes.py b/modules/hashes.py
index 14231771..b85a7580 100644
--- a/modules/hashes.py
+++ b/modules/hashes.py
@@ -34,9 +34,10 @@ def cache(subsection):
 
 def calculate_sha256(filename):
     hash_sha256 = hashlib.sha256()
+    blksize = 1024 * 1024
 
     with open(filename, "rb") as f:
-        for chunk in iter(lambda: f.read(4096), b""):
+        for chunk in iter(lambda: f.read(blksize), b""):
             hash_sha256.update(chunk)
 
     return hash_sha256.hexdigest()