summaryrefslogtreecommitdiff
path: root/testing/tools/text_diff.py
blob: 3a5bd7bf6a12c2faa89a02d99453cd6e036bf58f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
#!/usr/bin/env python
# Copyright 2015 The PDFium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import difflib
import sys

def main(argv):
  if len(argv) != 3:
     print '%s: invalid arguments' % argv[0]
     return 2
  filename1 = argv[1]
  filename2 = argv[2]
  try:
    with open(filename1, "r") as f1:
      str1 = f1.readlines();
    with open(filename2, "r") as f2:
      str2 = f2.readlines();
    diffs = difflib.unified_diff(
        str1, str2, fromfile=filename1, tofile=filename2)
  except Exception as e:
    print "something went astray: %s" % e
    return 1
  status_code = 0
  for diff in diffs:
    sys.stdout.write(diff)
    status_code = 1
  return status_code

if __name__ == '__main__':
  sys.exit(main(sys.argv))