Merge pull request #6772 from vladmandic/sha-calc-optimization

increase block size
2023-01-15 19:09:46 +03:00 · 2023-01-15 19:09:46 +03:00 · ce13ced5dc
commit ce13ced5dc
parent 006997d180 f0312565e5
1 changed files with 2 additions and 1 deletions
--- 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()