1#! /usr/bin/env python3 2# __ __ _ 3# ___\ \/ /_ __ __ _| |_ 4# / _ \\ /| '_ \ / _` | __| 5# | __// \| |_) | (_| | |_ 6# \___/_/\_\ .__/ \__,_|\__| 7# |_| XML parser 8# 9# Copyright (c) 2017 Expat development team 10# Licensed under the MIT license: 11# 12# Permission is hereby granted, free of charge, to any person obtaining 13# a copy of this software and associated documentation files (the 14# "Software"), to deal in the Software without restriction, including 15# without limitation the rights to use, copy, modify, merge, publish, 16# distribute, sublicense, and/or sell copies of the Software, and to permit 17# persons to whom the Software is furnished to do so, subject to the 18# following conditions: 19# 20# The above copyright notice and this permission notice shall be included 21# in all copies or substantial portions of the Software. 22# 23# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 26# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 27# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 28# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 29# USE OR OTHER DEALINGS IN THE SOFTWARE. 30 31import argparse 32import difflib 33import sys 34 35 36def _read_lines(filename): 37 try: 38 with open(filename) as f: 39 return f.readlines() 40 except UnicodeDecodeError: 41 with open(filename, encoding='utf_16') as f: 42 return f.readlines() 43 44 45def main(): 46 parser = argparse.ArgumentParser() 47 parser.add_argument('first', metavar='FILE') 48 parser.add_argument('second', metavar='FILE') 49 config = parser.parse_args() 50 51 first = _read_lines(config.first) 52 second = _read_lines(config.second) 53 54 diffs = list(difflib.unified_diff(first, second, fromfile=config.first, 55 tofile=config.second)) 56 if diffs: 57 sys.stdout.writelines(diffs) 58 sys.exit(1) 59 60 61if __name__ == '__main__': 62 main() 63