Python 3 compatibility

test/mac/gyptest-strip-default.py

 #!/usr/bin/env python
 
 # Copyright (c) 2013 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies that the default STRIP_STYLEs match between different generators.
 """
 
+from __future__ import print_function
+
 import TestGyp
 
 import re
 import subprocess
 import sys
 import time
 
 if sys.platform == 'darwin':
   test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])
 
@@ skipping 12 matching lines @@
 
     # Filter out mysterious "00 0000   OPT radr://5614542" symbol which
     # is apparently only printed on the bots (older toolchain?).
     # Yes, "radr", not "rdar".
     o = ''.join(filter(lambda s: 'radr://5614542' not in s, o.splitlines(True)))
 
     o = o.replace('A', 'T')
     o = re.sub(r'^[a-fA-F0-9]+', 'XXXXXXXX', o, flags=re.MULTILINE)
     assert not proc.returncode
     if o != o_expected:
-      print 'Stripping: Expected symbols """\n%s""", got """\n%s"""' % (
-          o_expected, o)
+      print('Stripping: Expected symbols """\n%s""", got """\n%s"""' % (
+          o_expected, o))
       test.fail_test()
 
   CheckNsyms(OutPath('libsingle_dylib.dylib'),
 """\
 XXXXXXXX S _ci
 XXXXXXXX S _i
 XXXXXXXX T _the_function
 XXXXXXXX t _the_hidden_function
 XXXXXXXX T _the_used_function
 XXXXXXXX T _the_visible_function
@@ skipping 31 matching lines @@
 XXXXXXXX T _the_used_function
 XXXXXXXX T _the_visible_function
 """)
   CheckNsyms(test.built_file_path(
       'bundle_exe.app/Contents/MacOS/bundle_exe', chdir=CHDIR),
 """\
 XXXXXXXX T __mh_execute_header
 """)
 
   test.pass_test()