Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/md5sum.py @ 22360:c8a6ea00a9e1 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
restructure a bit to not rely on test case execution ordering add test case for bug #482460
author Skip Montanaro <skip@pobox.com>
date Sun, 17 Mar 2002 23:03:42 +0000
parents 6991ddafe382
children fde878bc0e3b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
18218
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1 #! /usr/bin/env python
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3 """Python utility to print MD5 checksums of argument files.
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
4
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
5 Works with Python 1.5.2 and later.
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
6 """
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
7
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
8 import sys, md5
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
9
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
10 BLOCKSIZE = 1024*1024
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
11
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
12 def hexify(s):
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
13 return ("%02x"*len(s)) % tuple(map(ord, s))
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
14
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
15 def main():
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
16 args = sys.argv[1:]
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
17 if not args:
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
18 sys.stderr.write("usage: %s file ...\n" % sys.argv[0])
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
19 sys.exit(2)
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
20 for file in sys.argv[1:]:
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
21 f = open(file, "rb")
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
22 sum = md5.new()
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
23 while 1:
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
24 block = f.read(BLOCKSIZE)
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
25 if not block:
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
26 break
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
27 sum.update(block)
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
28 f.close()
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
29 print hexify(sum.digest()), file
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
30
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
31 if __name__ == "__main__":
6991ddafe382 This is a trivial command line utility to print MD5 checksums.
Guido van Rossum <guido@python.org>
parents:
diff changeset
32 main()