1*3ac0a46fSAndroid Build Coastguard Worker#!/usr/bin/env python3 2*3ac0a46fSAndroid Build Coastguard Worker# Copyright 2015 The PDFium Authors 3*3ac0a46fSAndroid Build Coastguard Worker# Use of this source code is governed by a BSD-style license that can be 4*3ac0a46fSAndroid Build Coastguard Worker# found in the LICENSE file. 5*3ac0a46fSAndroid Build Coastguard Worker 6*3ac0a46fSAndroid Build Coastguard Workerimport difflib 7*3ac0a46fSAndroid Build Coastguard Workerimport sys 8*3ac0a46fSAndroid Build Coastguard Worker 9*3ac0a46fSAndroid Build Coastguard Worker 10*3ac0a46fSAndroid Build Coastguard Workerdef main(argv): 11*3ac0a46fSAndroid Build Coastguard Worker if len(argv) != 3: 12*3ac0a46fSAndroid Build Coastguard Worker print('%s: invalid arguments' % argv[0]) 13*3ac0a46fSAndroid Build Coastguard Worker return 2 14*3ac0a46fSAndroid Build Coastguard Worker filename1 = argv[1] 15*3ac0a46fSAndroid Build Coastguard Worker filename2 = argv[2] 16*3ac0a46fSAndroid Build Coastguard Worker try: 17*3ac0a46fSAndroid Build Coastguard Worker with open(filename1, "r") as f1: 18*3ac0a46fSAndroid Build Coastguard Worker str1 = f1.readlines() 19*3ac0a46fSAndroid Build Coastguard Worker with open(filename2, "r") as f2: 20*3ac0a46fSAndroid Build Coastguard Worker str2 = f2.readlines() 21*3ac0a46fSAndroid Build Coastguard Worker diffs = difflib.unified_diff( 22*3ac0a46fSAndroid Build Coastguard Worker str1, str2, fromfile=filename1, tofile=filename2) 23*3ac0a46fSAndroid Build Coastguard Worker except Exception as e: 24*3ac0a46fSAndroid Build Coastguard Worker print("something went astray: %s" % e) 25*3ac0a46fSAndroid Build Coastguard Worker return 1 26*3ac0a46fSAndroid Build Coastguard Worker status_code = 0 27*3ac0a46fSAndroid Build Coastguard Worker for diff in diffs: 28*3ac0a46fSAndroid Build Coastguard Worker sys.stdout.write(diff) 29*3ac0a46fSAndroid Build Coastguard Worker status_code = 1 30*3ac0a46fSAndroid Build Coastguard Worker return status_code 31*3ac0a46fSAndroid Build Coastguard Worker 32*3ac0a46fSAndroid Build Coastguard Worker 33*3ac0a46fSAndroid Build Coastguard Workerif __name__ == '__main__': 34*3ac0a46fSAndroid Build Coastguard Worker sys.exit(main(sys.argv)) 35