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#!/usr/bin/python
# Copyright (c) 2011-2016 Alexander Belchenko
# All rights reserved.
#
# Redistribution and use in source and binary forms,
# with or without modification, are permitted provided
# that the following conditions are met:
#
# * Redistributions of source code must retain
# the above copyright notice, this list of conditions
# and the following disclaimer.
# * Redistributions in binary form must reproduce
# the above copyright notice, this list of conditions
# and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of the author nor the names
# of its contributors may be used to endorse
# or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Produce diff for 2 hex files using hex dump as string representation
of compared data.
"""
VERSION = '2.1'
USAGE = '''hexdiff: diff dumps of 2 hex files.
Usage:
python hexdiff.py [options] FILE1 FILE2
Options:
-h, --help this help message.
-v, --version version info.
'''
import sys
def main(argv=None):
import getopt
if argv is None:
argv = sys.argv[1:]
try:
opts, args = getopt.gnu_getopt(argv, 'hv', ['help', 'version'])
for o,a in opts:
if o in ('-h', '--help'):
print(USAGE)
return 0
elif o in ('-v', '--version'):
print(VERSION)
return 0
except getopt.GetoptError:
e = sys.exc_info()[1] # current exception
sys.stderr.write(str(e)+"\n")
sys.stderr.write(USAGE+"\n")
return 1
if len(args) != 2:
sys.stderr.write("ERROR: You should specify 2 files to diff.\n")
sys.stderr.write(USAGE+"\n")
return 1
fname1, fname2 = args
from intelhex import IntelHex, diff_dumps
ih1 = IntelHex(fname1)
ih2 = IntelHex(fname2)
diff_dumps(ih1, ih2, name1=fname1, name2=fname2)
if __name__ == '__main__':
sys.exit(main())
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