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comparison python/hexutil.py @ 244:58155c7c4a8e

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Add hexutil
author Windel Bouwman
date Wed, 24 Jul 2013 19:47:13 +0200
parents
children f254b87258e6
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243:ef683881c64e 244:58155c7c4a8e
1 #!/usr/bin/python
2
3 import sys
4 import argparse
5 from hexfile import HexFile
6
7 def hex2int(s):
8 if s.startswith('0x'):
9 s = s[2:]
10 return int(s, 16)
11 raise ValueError('Hexadecimal value must begin with 0x')
12
13 parser = argparse.ArgumentParser(
14 description='hexfile manipulation tool by Windel Bouwman')
15 subparsers = parser.add_subparsers(title='commands',
16 description='possible commands', dest='command')
17
18 p = subparsers.add_parser('info', help='dump info about hexfile')
19 p.add_argument('hexfile', type=argparse.FileType('r'))
20
21 p = subparsers.add_parser('new', help='create empty hexfile')
22 p.add_argument('hexfile', type=argparse.FileType('x'))
23
24 p = subparsers.add_parser('add', help='add binary data from file to hexfile')
25 p.add_argument('hexfile', type=argparse.FileType('r+'), help="the hexfile to add the data to")
26 p.add_argument('address', type=hex2int, help="hex address")
27 p.add_argument('datafile', type=argparse.FileType('rb'), help='binary file to add')
28
29 def main(args):
30 if args.command == 'info':
31 hf = HexFile()
32 hf.load(args.hexfile)
33 print(hf)
34 for region in hf.regions:
35 print(region)
36 elif args.command == 'new':
37 hf = HexFile()
38 hf.save(args.hexfile)
39 elif args.command == 'add':
40 hf = HexFile()
41 hf.load(args.hexfile)
42 data = args.datafile.read()
43 hf.addRegion(args.address, data)
44 else:
45 raise NotImplementedError()
46
47 if __name__ == '__main__':
48 args = parser.parse_args()
49 if not args.command:
50 parser.print_usage()
51 sys.exit(1)
52 main(args)
53