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244
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1 #!/usr/bin/python
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2
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3 import sys
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4 import argparse
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295
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5 from utils import HexFile
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244
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6
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7 def hex2int(s):
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8 if s.startswith('0x'):
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9 s = s[2:]
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10 return int(s, 16)
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11 raise ValueError('Hexadecimal value must begin with 0x')
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12
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13 parser = argparse.ArgumentParser(
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14 description='hexfile manipulation tool by Windel Bouwman')
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15 subparsers = parser.add_subparsers(title='commands',
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16 description='possible commands', dest='command')
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17
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18 p = subparsers.add_parser('info', help='dump info about hexfile')
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19 p.add_argument('hexfile', type=argparse.FileType('r'))
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20
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246
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21 p = subparsers.add_parser('new', help='create a hexfile')
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22 p.add_argument('hexfile', type=argparse.FileType('w'))
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23 p.add_argument('address', type=hex2int, help="hex address of the data")
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24 p.add_argument('datafile', type=argparse.FileType('rb'), help='binary file to add')
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244
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25
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26 p = subparsers.add_parser('merge', help='merge two hexfiles into a third')
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27 p.add_argument('hexfile1', type=argparse.FileType('r'), help="hexfile 1")
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28 p.add_argument('hexfile2', type=argparse.FileType('r'), help="hexfile 2")
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29 p.add_argument('rhexfile', type=argparse.FileType('w'), help="resulting hexfile")
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244
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30
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290
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31
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244
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32 def main(args):
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33 if args.command == 'info':
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34 hf = HexFile()
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35 hf.load(args.hexfile)
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36 print(hf)
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37 for region in hf.regions:
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38 print(region)
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39 elif args.command == 'new':
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40 hf = HexFile()
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41 data = args.datafile.read()
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42 hf.addRegion(args.address, data)
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246
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43 hf.save(args.hexfile)
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44 elif args.command == 'merge':
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45 hf = HexFile()
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46 hf.load(args.hexfile1)
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47 hf2 = HexFile()
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48 hf2.load(args.hexfile2)
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49 hf.merge(hf2)
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50 hf.save(args.rhexfile)
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244
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51 else:
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52 raise NotImplementedError()
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53
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54 if __name__ == '__main__':
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55 args = parser.parse_args()
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56 if not args.command:
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57 parser.print_usage()
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58 sys.exit(1)
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59 main(args)
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