Mercurial > ec-dotfiles

comparison bin/cek.py @ 79:08d5f6023998

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Replace checksum calculator with python version.
author Edho Prima Arief <me@myconan.net>
date Sat, 09 Jul 2011 15:33:37 +0700
parents
children 137b18a1898e
comparison
equal deleted inserted replaced
78:06fd72a78cc1 79:08d5f6023998
1 #!/usr/bin/env python
2
3 import zlib, os, sys
4
5 def get_file_crc32(filename):
6 block_size = 1*2**20
7 return_code = 0
8 file_crc32 = 0
9 file_digest = 0
10 file_handle = open(filename, "rb")
11 if return_code == 0:
12 file_block = file_handle.read(block_size)
13 while file_block:
14 file_digest = zlib.crc32(file_block, file_digest)
15 file_block = file_handle.read(block_size)
16 file_handle.close()
17 file_digest = file_digest & 0xffffffff
18 return "%08X" % file_digest
19
20 if __name__ == "__main__":
21 for file in sys.argv[1:]:
22 print "%s %s" % (file, get_file_crc32(file))