[game-data-packager] 01/01: add tool to check cdrom-extracted files for scratches

[Alexandre Detiste]

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detiste-guest pushed a commit to branch master
in repository game-data-packager.

commit d8c2a82dd9ffd5ed6a92c463abfcbe43acb9731c
Author: Alexandre Detiste <alexandre.detiste at gmail.com>
Date:   Fri Jan 29 10:13:04 2016 +0100

    add tool to check cdrom-extracted files for scratches
---
 tools/cdrom_md5.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/tools/cdrom_md5.py b/tools/cdrom_md5.py
new file mode 100755
index 0000000..6d4c91c
--- /dev/null
+++ b/tools/cdrom_md5.py
@@ -0,0 +1,33 @@
+#!/usr/bin/python3
+# encoding=utf-8
+#
+# Copyright © 2016 Alexandre Detiste <alexandre at detiste.be>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# You can find the GPL license text on a Debian system under
+# /usr/share/common-licenses/GPL-2.
+
+CDROM_SECTOR = 2048
+
+import hashlib
+import sys
+
+if len(sys.argv) != 2:
+    exit('Usage: cdrom_md5.py <file>')
+
+with open(sys.argv[1], 'rb') as f:
+    while True:
+        blob = f.read(CDROM_SECTOR)
+        if not blob:
+            break
+        md5 = hashlib.new('md5')
+        md5.update(blob)
+        print(md5.hexdigest())

-- 
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