scripts/signrom: remove Python 2 support, add shebang

Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200204160028.16211-1-pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-02-04 17:00:28 +01:00 committed by Philippe Mathieu-Daudé
parent 351aa2706e
commit b38c2458d4
1 changed files with 3 additions and 7 deletions

View File

@ -1,3 +1,5 @@
#!/usr/bin/env python3
from __future__ import print_function
#
# Option ROM signing utility
@ -44,14 +46,8 @@ fout.write(data)
checksum = 0
for b in data:
# catch Python 2 vs. 3 differences
if isinstance(b, int):
checksum += b
else:
checksum += ord(b)
checksum = (256 - checksum) % 256
checksum = (checksum - b) & 255
# Python 3 no longer allows chr(checksum)
fout.write(struct.pack('B', checksum))
fin.close()