Print . for 127(DEL)

tools/determinism/compare_build_artifacts.py

 #!/usr/bin/env python
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Compare the artifacts from two builds."""
 
 import ast
 import difflib
 import json
@@ skipping 113 matching lines @@
               else:
                 streams = None
         offset += len(lhs_data)
         del lhs_data
         del rhs_data
   if not diffs:
     return None
   result = '%d out of %d bytes are different (%.2f%%)' % (
         diffs, file_len, 100.0 * diffs / file_len)
   if streams:
-    encode = lambda text: ''.join(i if 31 < ord(i) < 128 else '.' for i in text)
+    encode = lambda text: ''.join(i if 31 < ord(i) < 127 else '.' for i in text)
     for offset, lhs_data, rhs_data in streams:
       lhs_line = '%s \'%s\'' % (lhs_data.encode('hex'), encode(lhs_data))
       rhs_line = '%s \'%s\'' % (rhs_data.encode('hex'), encode(rhs_data))
       diff = list(difflib.Differ().compare([lhs_line], [rhs_line]))[-1][2:-1]
       result += '\n  0x%-8x: %s\n              %s\n              %s' % (
             offset, lhs_line, rhs_line, diff)
   return result
 
 
 def compare_files(first_filepath, second_filepath):
@@ skipping 197 matching lines @@
 
   return compare_build_artifacts(os.path.abspath(options.first_build_dir),
                                  os.path.abspath(options.second_build_dir),
                                  options.target_platform,
                                  options.json_output,
                                  options.recursive)
 
 
 if __name__ == '__main__':
   sys.exit(main())