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#! /usr/bin/env python3
# __ __ _
# ___\ \/ /_ __ __ _| |_
# / _ \\ /| '_ \ / _` | __|
# | __// \| |_) | (_| | |_
# \___/_/\_\ .__/ \__,_|\__|
# |_| XML parser
#
# Copyright (c) 2017 Expat development team
# Licensed under the MIT license:
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the
# following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
# USE OR OTHER DEALINGS IN THE SOFTWARE.
import argparse
import difflib
import sys
def _read_lines(filename):
try:
with open(filename) as f:
return f.readlines()
except UnicodeDecodeError:
with open(filename, encoding='utf_16') as f:
return f.readlines()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('first', metavar='FILE')
parser.add_argument('second', metavar='FILE')
config = parser.parse_args()
first = _read_lines(config.first)
second = _read_lines(config.second)
diffs = list(difflib.unified_diff(first, second, fromfile=config.first,
tofile=config.second))
if diffs:
sys.stdout.writelines(diffs)
sys.exit(1)
if __name__ == '__main__':
main()
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