1#! /usr/bin/env python3 2# __ __ _ 3# ___\ \/ /_ __ __ _| |_ 4# / _ \\ /| '_ \ / _` | __| 5# | __// \| |_) | (_| | |_ 6# \___/_/\_\ .__/ \__,_|\__| 7# |_| XML parser 8# 9# Copyright (c) 2017 Rhodri James <rhodri@wildebeest.org.uk> 10# Copyright (c) 2017 Sebastian Pipping <sebastian@pipping.org> 11# Licensed under the MIT license: 12# 13# Permission is hereby granted, free of charge, to any person obtaining 14# a copy of this software and associated documentation files (the 15# "Software"), to deal in the Software without restriction, including 16# without limitation the rights to use, copy, modify, merge, publish, 17# distribute, sublicense, and/or sell copies of the Software, and to permit 18# persons to whom the Software is furnished to do so, subject to the 19# following conditions: 20# 21# The above copyright notice and this permission notice shall be included 22# in all copies or substantial portions of the Software. 23# 24# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 27# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 28# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 29# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 30# USE OR OTHER DEALINGS IN THE SOFTWARE. 31 32import argparse 33import difflib 34import sys 35 36 37def _read_lines(filename): 38 try: 39 with open(filename) as f: 40 return f.readlines() 41 except UnicodeDecodeError: 42 with open(filename, encoding='utf_16') as f: 43 return f.readlines() 44 45 46def main(): 47 parser = argparse.ArgumentParser() 48 parser.add_argument('first', metavar='FILE') 49 parser.add_argument('second', metavar='FILE') 50 config = parser.parse_args() 51 52 first = _read_lines(config.first) 53 second = _read_lines(config.second) 54 55 diffs = list(difflib.unified_diff(first, second, fromfile=config.first, 56 tofile=config.second)) 57 if diffs: 58 sys.stdout.writelines(diffs) 59 sys.exit(1) 60 61 62if __name__ == '__main__': 63 main() 64