Mass Deface 0: out_file.write(binascii.b2a_uu(data)) data = in_file.read(45) out_file.write(' \nend\n') finally: for f in opened_files: f.close() def decode(in_file, out_file=None, mode=None, quiet=0): """Decode uuencoded file""" # # Open the input file, if needed. # opened_files = [] if in_file == '-': in_file = sys.stdin elif isinstance(in_file, basestring): in_file = open(in_file) opened_files.append(in_file) try: # # Read until a begin is encountered or we've exhausted the file # while True: hdr = in_file.readline() if not hdr: raise Error('No valid begin line found in input file') if not hdr.startswith('begin'): continue hdrfields = hdr.split(' ', 2) if len(hdrfields) == 3 and hdrfields[0] == 'begin': try: int(hdrfields[1], 8) break except ValueError: pass if out_file is None: out_file = hdrfields[2].rstrip() if os.path.exists(out_file): raise Error('Cannot overwrite existing file: %s' % out_file) if mode is None: mode = int(hdrfields[1], 8) # # Open the output file # if out_file == '-': out_file = sys.stdout elif isinstance(out_file, basestring): fp = open(out_file, 'wb') try: os.path.chmod(out_file, mode) except AttributeError: pass out_file = fp opened_files.append(out_file) # # Main decoding loop # s = in_file.readline() while s and s.strip() != 'end': try: data = binascii.a2b_uu(s) except binascii.Error, v: # Workaround for broken uuencoders by /Fredrik Lundh nbytes = (((ord(s[0])-32) & 63) * 4 + 5) // 3 data = binascii.a2b_uu(s[:nbytes]) if not quiet: sys.stderr.write("Warning: %s\n" % v) out_file.write(data) s = in_file.readline() if not s: raise Error('Truncated input file') finally: for f in opened_files: f.close() def test(): """uuencode/uudecode main program""" import optparse parser = optparse.OptionParser(usage='usage: %prog [-d] [-t] [input [output]]') parser.add_option('-d', '--decode', dest='decode', help='Decode (instead of encode)?', default=False, action='store_true') parser.add_option('-t', '--text', dest='text', help='data is text, encoded format unix-compatible text?', default=False, action='store_true') (options, args) = parser.parse_args() if len(args) > 2: parser.error('incorrect number of arguments') sys.exit(1) input = sys.stdin output = sys.stdout if len(args) > 0: input = args[0] if len(args) > 1: output = args[1] if options.decode: if options.text: if isinstance(output, basestring): output = open(output, 'w') else: print sys.argv[0], ': cannot do -t to stdout' sys.exit(1) decode(input, output) else: if options.text: if isinstance(input, basestring): input = open(input, 'r') else: print sys.argv[0], ': cannot do -t from stdin' sys.exit(1) encode(input, output) if __name__ == '__main__': test()