72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2019-2020 Elliot Nunn
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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HELP = '''InstaComp: unpack resources in the Macintosh System file (7.5)
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Algorithm from MacOS and the Installer SDK (Apple)
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Decompression reimplemented by Maxim Poliakovski
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Use the 'rfx' wrapper command to access resources inside a file'''
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if __name__ == '__main__':
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import struct
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import sys
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import argparse
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parser = argparse.ArgumentParser(
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description=HELP, formatter_class=argparse.RawTextHelpFormatter,
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)
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parser.prog = '[rfx] ' + parser.prog
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parser.add_argument('path', nargs='+', metavar='file', action='store', help='Resource data')
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parser.add_argument('-x', dest='do_compress', action='store_false', required=True, help='extract (currently mandatory)')
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args = parser.parse_args()
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for el in args.path:
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from macresources.instacomp import unpack, WrongFormatError
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with open(el, 'r+b') as f:
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already_compressed = (f.read(4) == b'\xA8\x9Fer')
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if not already_compressed: continue
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f.seek(0)
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data = f.read()
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print(el) # elliot delete!
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try:
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try:
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data = unpack(data)
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except WrongFormatError:
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continue
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f.seek(0)
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f.write(data)
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f.truncate()
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except Exception as e:
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print('failed', e)
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# print(el)
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# raise
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