Fix hashing of big files.

diff --git a/www/webapp/backend/releases.py b/www/webapp/backend/releases.py
index 9b82c13255e8ea01ef87188fe17c2c47ab74bbf8..7ce641d7e277e4ce77e38cfb5c7c22f14f3deb71 100644 (file)
--- a/www/webapp/backend/releases.py
+++ b/www/webapp/backend/releases.py
@@ -163,7 +163,11 @@ class Release(object):
                sha1 = hashlib.sha1()
 
                with open(filename) as f:
-                       sha1.update(f.read())
+                       buf_size = 1024
+                       buf = f.read(buf_size)
+                       while buf:
+                               sha1.update(buf)
+                               buf = f.read(buf_size)
 
                return sha1.hexdigest()